MEC1404 Datasheet, PDF (29/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

Interface
Power Interface
Power Interface
Power Interface
Power Interface
Power Interface
Power Interface
PS/2 Interface
PS/2 Interface
PS/2 Interface
PS/2 Interface
PS/2 Interface
PS/2 Interface
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
Tachometer
Tachometer
SMBus Interface
SMBus Interface
SMBus Interface
SMBus Interface
SMBus Interface
SMBus Interface
SMBus Interface
Signal Name
VR_CAP
VREF_CPU
VSS
VSS_VBAT
VTR
VTR_33_18
PS2_CLK0
PS2_CLK1A
PS2_CLK1B
PS2_DAT0
PS2_DAT1A
PS2_DAT1B
PWM0
PWM1
PWM2
PWM3
PWM4
PWM5
PWM6
PWM7
TACH0
TACH1
SB_TSI_DAT
SB-TSI_CLK
SMB00_CLK
SMB00_DATA
SMB01_CLK
SMB01_DATA
SMB02_CLK
 2015 - 2016 Microchip Technology Inc.
MEC140X/1X
Description
Notes
Internal Voltage Regulator
Capacitor
Processor Interface Voltage
Reference
VTR associated ground
Note 3
Note 6
VBAT associated ground
VTR Suspend Power Supply
Host Interface Power Supply
PS/2 clock 0 (PS2_CLK)
PS/2 clock 1 - Port A (PS2_CLK)
PS/2 clock 1 - Port B (PS2_CLK)
PS/2 data 0 (PS2_DAT)
PS/2 data 1 - Port A (PS2_DAT)
PS/2 data 1 - Port B (PS2_DAT)
Pulse Width Modulator Output 0
Pulse Width Modulator Output 1
Pulse Width Modulator Output 2
Pulse Width Modulator Output 3
Pulse Width Modulator Output 4
Pulse Width Modulator Output 5
Pulse Width Modulator Output 6
Pulse Width Modulator Output 7
Fan Tachometer Input 0
Fan Tachometer Input 1
SMBus Controller AMD-TSI Port Note 12
Data
SMBus Controller AMD-TSI Port
Clock
SMBus Controller Port 0 Clock Note 4, Note
11
SMBus Controller Port 0 Data
Note 4, Note
11
SMBus Controller Port 1 Clock Note 4, Note
11
SMBus Controller Port 1 Data
Note 4, Note
11
SMBus Controller Port 2 Clock Note 4, Note
11
DS00001956D-page 29