logo资料库

ITE-EC-架构介绍.ppt

第1页 / 共74页
第2页 / 共74页
第3页 / 共74页
第4页 / 共74页
第5页 / 共74页
第6页 / 共74页
第7页 / 共74页
第8页 / 共74页
资料共74页,剩余部分请下载后查看
ITE 8512 Speaker: WY
What’s the EC ? n Embedded Controller comes form ACPI structure n Host is communicated EC by LPC interface. The I/O port are 60/64 and 62/66 n EC integrated ps2 device, keyboard matrix, battery charger, fan control, power sequence, hot key function, backlight, CPU thermal sensor, system power consumption,etc.
System Structure NB SB LPC EC PS/2 KB/MS MATRIX FAN Control Charger Flash ROM Power Sequence….
Keyboard Controller Overview Host System LPC/Firmware Hub HIF Scan Matrix Keyboard 18 Scan Out (Column) 8 Scan In (Row) S c a n ITE KBC 2 / S P 3 PS/2 Devices I2C SMBus 3 SMBus Devices
EC Feature ITE EC PS/2 KB/MS MATRIX ACPI Power management SMBus UART / CIR ADC/DAC PWM Share BIOS KBS Monitor
EC Position
Share BIOS Architecture Max : 16M 64K~16M Byte BIOS ROM Zone KBC ROM Zone KBC ROM Zone 64K Byte Full space 16M Byte 64K 0 Max :16M-64K Byte
BIOS&EC Code Position
分享到:
收藏