ASM1062 Data Sheet 
x2 PCI Express 2.0 to 2 ports SATA 6Gbps AHCI 
Controller 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
A S M edia C o nfidential
 
 
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ASM1062 Data Sheet 
Revision History 
Rev. 
0.1 
0.2 
0.3 
0.4 
0.5 
1.0 
1.1 
1.2 
1.3 
Date 
Dec 2, 2013 
Jan 14,2014 
Feb 18,2014 
March 24, 2014 
April 15, 2014 
Nov. 24, 2014 
Nov. 25, 2014 
Feb. 25, 2015 
Nay 27, 2015 
Description 
Initial Release 
Fix pin attribute of SPI_DO, UART_TX and some typo 
Add power on timing sequence; Fix SATA portA pin number & SATA portB pin type 
Add Tcase maximum value 
Change PCIe Tx AC couple maximum value to 265nF 
Add top marking, ordering part number 
Modify core power typical value to 1.23V 
Add chip temperature 
Add chip version code 
Ordering part number: ASM1062-B2, fixing thunderbolt HBA reset issue in B1 
Non-NCQ devices are not supported 
Remove 25MHz crystal support 
Remove IDE programming interface 
 
iii 
 
ASM1062 Data Sheet 
Table of Contents 
Revision History ............................................................................................................................................. iii 
Table of Contents ........................................................................................................................................... iv 
List of Figures ................................................................................................................................................. v 
1. General Description ..................................................................................................................................... 7 
2. Features ..................................................................................................................................................... 7 
Package Type ........................................................................................................................................... 7 
3. Functional Diagram ..................................................................................................................................... 8 
4. Pinout Diagrams ......................................................................................................................................... 9 
5. Pin Descriptions ........................................................................................................................................ 10 
PCI Express Interface ............................................................................................................................. 10 
SATA Interface ....................................................................................................................................... 10 
SPI Interface.......................................................................................................................................... 10 
Clock Interface ....................................................................................................................................... 10 
MISC. Interface ...................................................................................................................................... 11 
Internal Voltage Regulator ...................................................................................................................... 11 
Power and Ground ................................................................................................................................. 11 
Strapping Table ...................................................................................................................................... 12 
6 Electrical Characteristics ............................................................................................................................. 13 
6.1 Absolute Maximum Ratings ................................................................................................................... 13 
6.2 Recommended Operating Conditions ..................................................................................................... 13 
6.3 AC/DC Characteristics ........................................................................................................................... 13 
6.3.1 Electrical Characteristics for Digital pins .......................................................................................... 13 
6.3.2 PCI Express Electrical Specification ................................................................................................. 14 
6.3.3 PCI Express Differential Reference Clock Input Ranges .................................................................... 16 
6.3.4 Crystal Electrical Specification ........................................................................................................ 16 
6.3.5 Clock Oscillator Electrical Specification ............................................................................................ 17 
6.3.6 Internal Switching Regulator Spec Requirement ............................................................................... 17 
7. Timing Diagram ........................................................................................................................................ 18 
Power On Sequence Timing Specification................................................................................................. 18 
8. Package Information ................................................................................................................................. 19 
9. Top Marking Information ........................................................................................................................... 20 
10. Ordering Part Number ............................................................................................................................. 21 
 
 
 
 
Subject to change without notice    iv 
 
ASM1062 Data Sheet 
List of Figures 
Figure 1:    Functional Diagram ........................................................................................................................ 8 
Figure 2:    ASM1062 pinout ............................................................................................................................. 9 
Figure 3:    Differential Crystal Design ............................................................................................................. 18 
Figure 4:    Power On Sequence ..................................................................................................................... 19 
Figure 5:    Mechanical Specification – QFN 64L............................................................................................... 20 
 
 
 
 
 
Subject to change without notice    v 
 
This page is intentionally left blank. 
 
 
ASM1062 Data Sheet 
 
Subject to change without notice    vi 
 
ASM1062 Data Sheet 
1. General Description 
The ASM1062 is ASMedia’s second generation Serial ATA Advantage HCI controller, bridges PCI Express Gen2 x2 to two ports 
of Serial ATA 6Gbps, enables Serial ATA PHY up to 6Gbps high speed interface, supports SRIS(Separate Refclk Independent 
SSC) function, complies with Serial ATA Revision 3.2 Specification. 
ASM1062 is highly integrated with ASMedia PCI Express and SATA 6Gbps self-designed PHYs. ASM1062 can be applied on PC, 
mobile, servers, IPC, consumer electronic devices, storage devices, and communication applications. 
 
2. Features 
General Features 
- Embedded 8-bit microprocessor 
- Option Rom and firmware support through 64K Byte SPI flash 
- Two GPIO pins can be programmed for the LEDs of each SATA port 
- 20 MHz external crystal 
- Integrated Core power switching regulator 
- 3.3V IO power and 1.2V Core power 
- Industry Specifications Compliance: 
PCI Express Base Specification Rev. 2.0 
PCI Express Card Electromechanical Rev. 2.0 
Serial ATA AHCI Spec. Rev.1.3 
Serial ATA Revision 3.2 
PCI Express Features 
- Supports up to two lane of PCI Express   
- 2.5 and 5.0 Gbps seed negotiation 
- Single virtual channel 
- Embedded Spread Spectrum Controller 
- Supports Separate Refclk Independent SSC 
- Supports PCI Express Link Layer Power Management 
- Supports Message Signaled Interrupt 
- 100MHz differential PCI Express reference clock in 
Serial ATA Features 
- Supports 2 ports Serial ATA PHY   
- 1.5Gbps, 3.0Gbps and 6.0Gbps speed negotiation 
- SATA PHY 1i/1m/2i/2m/3i 
- Supports AHCI programming interface 
- Supports Native Command Queue (NCQ) and Non-NCQ devices are not supported 
- Supports Port Multiplier command based switching 
- Supports Partial and Slumber Power Management States 
- Supports Drive Power Control and Staggered Spin-up 
- Supports S.M.A.R.T feature 
 
Package Type 
  Green Package 8x8 QFN 64 (Pb-free) – RoHS Compliant 
 
 
 
Subject to change without notice    vii 
 
ASM1062 Data Sheet 
3. Functional Diagram 
 
 
 
Figure 1:    Functional Diagram 
 
8