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最新的苹果产品附件设计指导书（Accessory-Design-Guidelines R13）.pdf
Accessory Design Guidelines for Apple Devices
Contents
Overview
Introduction
Requirements
Terminology
Device
Accessory
Captured Cable
Accessory Interface Specification
Accessories
All Accessories
Compliance Testing
Integrated USB Receptacles
User Supplied Cables and AC Power Adapters
Attachments
Magnetic Interference
Radio Frequency (RF) Performance
Materials and Coatings
Antenna Keep-Out
Over The Air (OTA) Transmission/Reception
Specific Absorption Rate (SAR)
Near Field Communication (NFC)
Qi Wireless Power
Thermal Management
Tripod Connections
Cases
Product Design
Device Protection
Access to Inputs and Interconnects
Access to Controls
Access to the Headset Jack
Access to the Lightning Connector
Touchscreen
Edge Swipe Gestures
Edge Press Gestures
Cover Glass Contact
Dock Compatibility
Wireless Power and Rear Pockets
Acoustics
Call Quality
Speaker to Microphone Coupling
Speaker/Microphone Openings
Thin Cases (≤2.25 mm)
Thick Cases (>2.25 mm)
Ambient Light Sensor and Proximity Sensor Interference
Taptic Engine
Magnetic Interference
Home Button / Touch ID Sensor
Camera
Geometry
Color
Surface Finish
Image Degradation Examples
Reliability
Device Insertion and Removal
Colorfastness
Environmental
Test Procedures
Device Models
iPhone 12 Pro Max
iPhone 12 Pro
iPhone 12
iPhone 12 mini
iPhone 11 Pro Max
iPhone 11 Pro
iPhone 11
iPhone XS Max
iPhone XS
iPhone XR
iPhone X
iPhone 8 Plus/iPhone 7 Plus
iPhone SE (2nd generation)/iPhone 8/iPhone 7
iPhone 6s Plus/iPhone 6 Plus
iPhone 6s/iPhone 6
iPhone 5/iPhone 5s/iPhone SE
iPhone 5c
iPad Air (4th generation)
iPad Pro (12.9-inch) 4th Generation
iPad Pro (11-inch) 2nd Generation
iPad (7th generation)/iPad (8th generation)
iPad Air (3rd generation)
iPad mini (5th generation)
iPad Pro (12.9-inch) 3rd Generation
iPad Pro (11-inch)
iPad Pro (10.5-inch)
iPad Pro (12.9-inch) 2nd Generation
iPad (5th and 6th generation)
iPad Pro (9.7-inch)
iPad Pro (12.9-inch) 1st Generation
iPad mini 4
iPad mini/iPad mini 2/iPad mini 3
iPad Air 2
iPad Air
iPad (4th generation)
iPod touch (5th generation)/iPod touch (6th generation)/iPod touch (7th generation)
Product Design
Equipment
Procedure
Taptic Engine
Equipment
Procedure
Pass/Fail Criteria
Home Button / Touch ID Sensor Overlays
Equipment
Procedure
Pass/Fail Criteria
Acoustics
Speakerphone Call
Equipment and Test Setup
Pass/Fail Criteria
Procedure
Covers
Magnetic Interference
Smart Covers
Screen Overlays
Product Design
Edge Swipe and Edge Press Gestures
Camera Attachments
Magnetic Interference
Adapters
Headset Adapters (Lightning to 3.5 mm)
USB-A/USB-C to Lightning Headset Adapters
Ethernet Adapters (Lightning to RJ45)
Lightning to USB Micro-B Adapters
AC Power Adapters
Converter Switching Frequencies
YCAP AC Capacitor
Impedance Stability
Fuse Protection
Short Circuit Response
Battery Packs
Strobes
AirPods Accessories
Watch Bands
Requirements
Example Apple Watch Lug Assembly
Features
Bluetooth Accessory Identification
HFP Command AT+XAPL
Accessory Power (Lightning)
App Discovery
App Launch
App Match
Bluetooth Headset Battery Level Indication
HFP Command AT+IPHONEACCEV
Device Power (Lightning)
Direct Power Source
External Power Source
Declaring Capability
Providing Power via USB Connectors
Labeling Multiple Connectors
Fast Charge for iPhone (18 W)
Overcurrent and Short Circuit Protection
Overcurrent and Short Circuit Protection Resets
Power State Changes
Location Information
MagSafe Attach
MagSafe Case Magnet Array
Product Design
Mechanical
Magnets
Magnet Array
Magnetic Force
Magnetic Interference
MagSafe Accessory Magnet Array
Product Design
Mechanical
Magnets
Magnet Ring
Orientation Magnet
Magnetic Force
DC Shield
Test Procedures
MagSafe Case Magnet Array
Case Thickness
Equipment
Procedure
Magnetic Stripe Cards in iPhone Leather Wallet
Equipment
Procedure
Media Library Access
Now Playing Updates
Out-of-Band Bluetooth Pairing
Siri
Enabling Custom Siri Commands
Obtaining Siri Availability Information
Obtaining Status Information at Connection
HFP Command AT+APLSIRI?
Receiving Siri Availability Updates from the Device
HFP Command +APLSIRI
Initiating a Siri Session
Initiating a Session from the Accessory
Initiating a Session from the Device
Ending a Session from the Accessory
Siri Eyes Free Mode
HFP Command AT+APLEFM
Improving Voice Recognition
Wide Band Speech Support
Optimizing the Siri Experience
Common Siri Applications
Initialization Procedure After Connection is Established
Phone Dialing Using Siri
Audio Routing and Media Playback Using Siri
Turn-By-Turn Directions Using Siri
User Interaction with Siri Eyes Free in a Vehicle
Enabling/Disabling Siri from the Device
Test Procedures
Siri Eyes Free
General
Siri Dialog
Bluetooth HFP A2DP Music
Call
Bluetooth + Wired iAP2
Wi-Fi Information Sharing
Protocols
USB Power Capability Vendor Request
USB D+/D- Resistor Networks
Electrical
Identifying Power Source Current Limit
USB Power Delivery
USB-C Current
Advanced Audio Distribution Profile (A2DP)
Bluetooth A2DP Specification
AVDTP Transactions
SubBand Codec (SBC)
MPEG 2/4 AAC Codecs
Test Procedures
Audio Quality
Audio Switching
HFP Interaction
Siri
Video Playback
iAP2
Transports
Bluetooth
Enhanced Data Rate
Adaptive Frequency Hopping
Sniff Mode for Low Power Consumption
Role and Topology Management
Extended Inquiry Response
Secure Simple Pairing
Pairing Button
Class of Device (CoD)
Link Supervision Timeout
Delay Reporting
Profiles
Device ID Profile (DID)
Service Discovery Protocol (SDP)
Hands-Free Profile (HFP)
Remote Audio Volume Control
Indicator Event Reporting
Voice Recognition Activation
Echo Cancellation and Noise Reduction
In-Band Ringing
Synchronous Connection
Wide Band Speech
Message Access Profile (MAP)
Audio/Video Remote Control Profile (AVRCP)
Supported Operations
Repeat and Shuffle Modes
Notifications
Play/Pause Button
Volume Handling
Browsing
iOS App-Provided Metadata
Advanced Audio Distribution Profile (A2DP)
Audio Routing
Audio Data Received via HFP Profile
Audio Data Received via A2DP Profile
Differentiating Audio Content from System Sounds
Expected Audio Routing Behavior for A2DP
HID
Bluetooth Low Energy (BLE)
Role
Advertising Channels
Advertising PDU
Advertising Data
Advertising Interval
Connection Parameters
Data Packet Length Extension
Privacy
Permissions
Pairing
MTU Size
Services
Generic Access Profile Service
Generic Attribute Profile Service
Device Information Service
Available Services
GATT Server
Connectors
USB-A Receptacle
Mechanical
Electrical
USB-C Plug
Mechanical
Electrical
Test Procedures
Connector Test ID
Drawing Power
USB-C Receptacle
Mechanical
Electrical
Drawing Power
Providing Power
Test Procedures
Connector Test ID
Drawing Power
Providing Power
References
Device Dimensional Drawings
iPhone 12 Pro Max 1 of 2
iPhone 12 Pro Max 2 of 2
iPhone 12 Pro 1 of 2
iPhone 12 Pro 2 of 2
iPhone 12 1 of 2
iPhone 12 2 of 2
iPhone 12 mini 1 of 2
iPhone 12 mini 2 of 2
iPhone SE (2nd generation)
iPhone 11 Pro Max
iPhone 11 Pro
iPhone 11
iPhone XS Max
iPhone XS
iPhone XR
iPhone X
iPhone 8 Plus
iPhone 8
iPhone 7 Plus
iPhone 7
iPhone 6s Plus
iPhone 6s
iPhone 6 Plus
iPhone 6
iPhone 5s & iPhone SE
iPhone 5c
iPhone 5
iPad Air (4th generation) 1 of 5
iPad Air (4th generation) 2 of 5
iPad Air (4th generation) 3 of 5
iPad Air (4th generation) 4 of 5
iPad Air (4th generation) 5 of 5
iPad Pro (12.9-inch) 4th Generation 1 of 5
iPad Pro (12.9-inch) 4th Generation 2 of 5
iPad Pro (12.9-inch) 4th Generation 3 of 5
iPad Pro (12.9-inch) 4th Generation 4 of 5
iPad Pro (12.9-inch) 4th Generation 5 of 5
iPad Pro (11-inch) 2nd Generation 1 of 5
iPad Pro (11-inch) 2nd Generation 2 of 5
iPad Pro (11-inch) 2nd Generation 3 of 5
iPad Pro (11-inch) 2nd Generation 4 of 5
iPad Pro (11-inch) 2nd Generation 5 of 5
iPad (7th generation) & iPad (8th generation) 1 of 3
iPad (7th generation) & iPad (8th generation) 2 of 3
iPad (7th generation) & iPad (8th generation) 3 of 3
iPad Air (3rd generation) with Wi-Fi 1 of 3
iPad Air (3rd generation) with Wi-Fi 2 of 3
iPad Air (3rd generation) with Wi-Fi 3 of 3
iPad Air (3rd generation) with Wi-Fi + Cellular 1 of 3
iPad Air (3rd generation) with Wi-Fi + Cellular 2 of 3
iPad Air (3rd generation) with Wi-Fi + Cellular 3 of 3
iPad mini (5th generation) with Wi-Fi 1 of 3
iPad mini (5th generation) with Wi-Fi 2 of 3
iPad mini (5th generation) with Wi-Fi 3 of 3
iPad mini (5th generation) with Wi-Fi + Cellular 1 of 3
iPad mini (5th generation) with Wi-Fi + Cellular 2 of 3
iPad mini (5th generation) with Wi-Fi + Cellular 3 of 3
iPad Pro (12.9-inch) 3rd Generation 1 of 3
iPad Pro (12.9-inch) 3rd Generation 2 of 3
iPad Pro (12.9-inch) 3rd Generation 3 of 3
iPad Pro (11-inch) 1 of 3
iPad Pro (11-inch) 2 of 3
iPad Pro (11-inch) 3 of 3
iPad Pro (12.9-inch) 2nd Generation with Wi-Fi
iPad Pro (12.9-inch) 2nd Generation with Wi-Fi + Cellular
iPad Pro (12.9-inch) 2nd Generation Magnet/Hall Effect Sensors 1 of 2
iPad Pro (12.9-inch) 2nd Generation Magnet/Hall Effect Sensors 2 of 2
iPad Pro (10.5-inch) with Wi-Fi
iPad Pro (10.5-inch) with Wi-Fi + Cellular
iPad Pro (10.5-inch) Magnet/Hall Effect Sensors 1 of 2
iPad Pro (10.5-inch) Magnet/Hall Effect Sensors 2 of 2
iPad (5th and 6th generation) with Wi-Fi + Cellular
iPad (5th and 6th generation) Magnet/Hall Effect Sensors 1 of 2
iPad (5th and 6th generation) Magnet/Hall Effect Sensors 2 of 2
iPad Pro (9.7-inch) with Wi-Fi
iPad Pro (9.7-inch) with Wi-Fi + Cellular
iPad Pro (9.7-inch) Magnet/Hall Effect Sensors 1 of 2
iPad Pro (9.7-inch) Magnet/Hall Effect Sensors 2 of 2
iPad Pro (12.9-inch) 1st Generation with Wi-Fi
iPad Pro (12.9-inch) 1st Generation with Wi-Fi + Cellular
iPad Pro (12.9-inch) 1st Generation Magnet/Hall Effect Sensors 1 of 2
iPad Pro (12.9-inch) 1st Generation Magnet/Hall Effect Sensors 2 of 2
iPad mini 4 with Wi-Fi
iPad mini 4 with Wi-Fi + Cellular
iPad mini 4 Magnet/Hall Effect Sensors
iPad Air 2 with Wi-Fi
iPad Air 2 with Wi-Fi + Cellular
iPad mini 2 & iPad mini 3 with Wi-Fi
iPad mini 2 & iPad mini 3 with Wi-Fi + Cellular
iPad Air with Wi-Fi
iPad Air with Wi-Fi + Cellular
iPad mini with Wi-Fi
iPad mini with Wi-Fi + Cellular
iPad (4th generation) with Wi-Fi
iPad (4th generation) with Wi-Fi + Cellular
iPod touch (6th generation) & iPod touch (7th generation)
iPod touch (5th generation)
Apple Watch Series 6, 44 mm
Apple Watch Series 6, 40 mm
Apple Watch SE, 44 mm
Apple Watch SE, 40 mm
Apple Watch Series 5, 44 mm
Apple Watch Series 5, 40 mm
Apple Watch Series 5 Ceramic, 44 mm
Apple Watch Series 5 Ceramic, 40 mm
Apple Watch Series 4, 44 mm
Apple Watch Series 4, 40 mm
Apple Watch Series 3 Ceramic, 42 mm
Apple Watch Series 3 Ceramic, 38 mm
Apple Watch Series 3 Metal, 42 mm
Apple Watch Series 3 Metal, 38 mm
Apple Watch Series 2 Ceramic, 42 mm
Apple Watch Series 2 Ceramic, 38 mm
Apple Watch Series 2 Metal, 42 mm
Apple Watch Series 2 Metal, 38 mm
Apple Watch (1st generation) & Apple Watch Series 1, 42 mm
Apple Watch (1st generation) & Apple Watch Series 1, 38 mm
AirPods Pro Wireless Charging Case
AirPods Wireless Charging Case
AirPods Pro
AirPods
Revision History
Added Content
Updated Content
Accessory Design
Guidelines for Apple
Devices
Release R13
Contents
Overview 13
1. Introduction
14
2. Requirements
15
3. Terminology
16
16
3.1 Device
3.2 Accessory
16
3.3 Captured Cable
3.4 Accessory Interface Specification
16
16
Accessories
17
4. All Accessories
18
18
4.1 Compliance Testing
4.2 Integrated USB Receptacles
4.3 User Supplied Cables and AC Power Adapters
4.4 Attachments
4.5 Magnetic Interference
4.6 Radio Frequency (RF) Performance
20
20
18
19
19
4.6.1 Materials and Coatings
4.6.2 Antenna Keep-Out
4.6.3 Over The Air (OTA) Transmission/Reception
4.6.4 Specific Absorption Rate (SAR)
4.6.5 Near Field Communication (NFC)
21
21
21
18
21
4.7 Qi Wireless Power
4.8 Thermal Management
4.9 Tripod Connections
22
22
23
5. Cases
24
5.1 Product Design
24
5.1.1 Device Protection
24
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2
Contents
5.1.2 Access to Inputs and Interconnects
5.1.3 Dock Compatibility
5.1.4 Wireless Power and Rear Pockets
28
25
28
5.2 Acoustics
29
5.2.1 Call Quality
5.2.2 Speaker to Microphone Coupling
5.2.3 Speaker/Microphone Openings
29
29
29
5.3 Ambient Light Sensor and Proximity Sensor Interference
5.4 Taptic Engine
5.5 Magnetic Interference
5.6 Home Button / Touch ID Sensor
5.7 Camera
33
32
32
32
33
33
5.7.1 Geometry
5.7.2 Color
5.7.3 Surface Finish
5.7.4 Image Degradation Examples
34
34
5.8 Reliability
35
5.8.1 Device Insertion and Removal
5.8.2 Colorfastness
35
35
5.9 Environmental
5.10 Test Procedures
36
34
35
36
43
5.10.1 Device Models
5.10.2 Product Design
5.10.3 Taptic Engine
5.10.4 Home Button / Touch ID Sensor Overlays
5.10.5 Acoustics
45
47
46
6. Covers
49
6.1 Magnetic Interference
6.2 Smart Covers
49
49
7. Screen Overlays
7.1 Product Design
7.2 Edge Swipe and Edge Press Gestures
51
51
51
8. Camera Attachments
8.1 Magnetic Interference
52
52
9. Adapters
53
9.1 Headset Adapters (Lightning to 3.5 mm)
53
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3
Contents
9.2 USB-A/USB-C to Lightning Headset Adapters
9.3 Ethernet Adapters (Lightning to RJ45)
53
9.4 Lightning to USB Micro-B Adapters
54
53
10. AC Power Adapters
55
10.1 Converter Switching Frequencies
10.2 YCAP AC Capacitor
10.3 Impedance Stability
56
10.4 Fuse Protection
10.5 Short Circuit Response
55
55
57
55
11. Battery Packs
58
12. Strobes
59
13. AirPods Accessories
61
14. Watch Bands
62
14.1 Requirements
14.2 Example Apple Watch Lug Assembly
62
65
Features
68
15. Bluetooth Accessory Identification
69
15.1 HFP Command AT+XAPL
69
16. Accessory Power (Lightning)
71
17. App Discovery
72
18. App Launch 73
19. App Match 74
20. Bluetooth Headset Battery Level Indication 75
20.1 HFP Command AT+IPHONEACCEV
75
21. Device Power (Lightning)
76
21.1 Direct Power Source
76
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4
Contents
77
76
21.2 External Power Source
21.3 Declaring Capability
21.4 Providing Power via USB Connectors
78
21.5 Labeling Multiple Connectors
21.6 Fast Charge for iPhone (18 W)
78
79
21.7 Overcurrent and Short Circuit Protection
21.8 Overcurrent and Short Circuit Protection Resets
21.9 Power State Changes
80
77
80
22. Location Information
81
23. MagSafe Attach 82
83
23.1 MagSafe Case Magnet Array
83
23.1.1 Product Design
23.1.2 Mechanical
23.1.3 Magnetic Interference
89
23.2 MagSafe Accessory Magnet Array
83
89
23.2.1 Product Design
23.2.2 Mechanical
23.3 Test Procedures
90
95
90
23.3.1 MagSafe Case Magnet Array
95
24. Media Library Access
97
25. Now Playing Updates
98
26. Out-of-Band Bluetooth Pairing 99
27. Siri
100
27.1 Enabling Custom Siri Commands
27.2 Obtaining Siri Availability Information
100
100
27.2.1 Obtaining Status Information at Connection
100
27.2.2 Receiving Siri Availability Updates from the Device
101
27.3 Initiating a Siri Session
102
27.3.1 Initiating a Session from the Accessory
27.3.2 Initiating a Session from the Device
27.3.3 Ending a Session from the Accessory
102
103
104
27.4 Siri Eyes Free Mode
104
27.4.1 HFP Command AT+APLEFM 105
27.5 Improving Voice Recognition
105
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5
Contents
27.5.1 Wide Band Speech Support
106
27.6 Optimizing the Siri Experience
27.7 Common Siri Applications
106
106
27.7.1 Initialization Procedure After Connection is Established
27.7.2 Phone Dialing Using Siri
27.7.3 Audio Routing and Media Playback Using Siri
27.7.4 Turn-By-Turn Directions Using Siri
108
107
108
27.8 User Interaction with Siri Eyes Free in a Vehicle
27.9 Enabling/Disabling Siri from the Device
110
27.10 Test Procedures
111
108
106
27.10.1 Siri Eyes Free
111
28. Wi-Fi Information Sharing 115
Protocols
116
29. USB Power Capability Vendor Request
117
30. USB D+/D- Resistor Networks
118
30.1 Electrical
30.2 Identifying Power Source Current Limit
118
119
31. USB Power Delivery
121
32. USB-C Current
122
33. Advanced Audio Distribution Profile (A2DP)
123
33.1 Bluetooth A2DP Specification
123
33.1.1 AVDTP Transactions
123
33.2 SubBand Codec (SBC)
33.3 MPEG 2/4 AAC Codecs
125
33.4 Test Procedures
123
124
33.4.1 Audio Quality
33.4.2 Audio Switching
33.4.3 HFP Interaction
33.4.4 Siri
33.4.5 Video Playback
125
125
125
125
125
34. iAP2 127
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6
Contents
Transports
128
35. Bluetooth 129
129
129
129
35.1 Enhanced Data Rate
35.2 Adaptive Frequency Hopping
35.3 Sniff Mode for Low Power Consumption
35.4 Role and Topology Management
130
35.5 Extended Inquiry Response
35.6 Secure Simple Pairing
35.7 Pairing Button
132
35.8 Class of Device (CoD)
35.9 Link Supervision Timeout
35.10 Delay Reporting
133
35.11 Profiles
133
132
132
131
131
133
35.11.1 Device ID Profile (DID)
35.11.2 Service Discovery Protocol (SDP)
35.11.3 Hands-Free Profile (HFP)
134
35.11.4 Message Access Profile (MAP)
35.11.5 Audio/Video Remote Control Profile (AVRCP)
35.11.6 Advanced Audio Distribution Profile (A2DP)
134
136
136
139
35.12 Audio Routing
139
35.12.1 Audio Data Received via HFP Profile
35.12.2 Audio Data Received via A2DP Profile
139
139
35.13 HID
141
36. Bluetooth Low Energy (BLE)
142
142
142
143
142
142
36.1 Role
36.2 Advertising Channels
36.3 Advertising PDU
36.4 Advertising Data
36.5 Advertising Interval
36.6 Connection Parameters
144
36.7 Data Packet Length Extension
36.8 Privacy
36.9 Permissions
36.10 Pairing
36.11 MTU Size
36.12 Services
146
146
145
145
145
144
36.12.1 Generic Access Profile Service
146
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7
Contents
36.12.2 Generic Attribute Profile Service
36.12.3 Device Information Service
36.12.4 Available Services
147
147
146
36.13 GATT Server
147
Connectors
149
37. USB-A Receptacle
150
37.1 Mechanical
37.2 Electrical
150
150
38. USB-C Plug 151
38.1 Mechanical
38.2 Electrical
151
38.3 Test Procedures
151
152
38.3.1 Connector Test ID
38.3.2 Drawing Power
152
152
39. USB-C Receptacle
153
39.1 Mechanical
39.2 Electrical
153
153
39.2.1 Drawing Power
39.2.2 Providing Power
153
154
39.3 Test Procedures
154
39.3.1 Connector Test ID
39.3.2 Drawing Power
39.3.3 Providing Power
154
154
155
References
156
157
40. Device Dimensional Drawings
161
162
40.1 iPhone 12 Pro Max 1 of 2
40.2 iPhone 12 Pro Max 2 of 2
40.3 iPhone 12 Pro 1 of 2
40.4 iPhone 12 Pro 2 of 2
40.5 iPhone 12 1 of 2
40.6 iPhone 12 2 of 2
40.7 iPhone 12 mini 1 of 2
165
166
163
164
167
2020-10-16 | Copyright © 2020 Apple Inc. All Rights Reserved.
8
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