MEC1322 Datasheet, PDF (17/456 Pages) Microchip Technology – Keyboard and Embedded Controller for Notebook PC

MEC1322
1.4.10 PS/2 INTERFACE
TABLE 1-14: PS/2 INTERFACE
PS/2 Interface
Pin Ref. Number
35
32
61
62
66
67
103
105
Signal Name
PS2_CLK2
PS2_DAT2
PS2_CLK1
PS2_DAT1
PS2_CLK0
PS2_DAT0
PS2_CLK3
PS2_DAT3
1.4.11 POWER INTERFACE
Description
PS/2 clock 2
PS/2 data 2
PS/2 clock 1
PS/2 data 1
PS/2 clock 0
PS/2 data 0
PS/2 clock 3
PS/2 data 3
TABLE 1-15: POWER INTERFACE
Power Interface
Pin Ref. Number Signal Name
70
68
15
11, 36, 47, 56, 82,
104, 117
14, 37, 58, 84, 106,
119
45
40
VSS_VBAT
VBAT
CAP
VSS
VCC1
AVSS
AVCC
Description
VBAT associated ground
VBAT supply
Internal Voltage Regulator Capacitor
VCC1 associated ground
VCC1 supply
Analog ADC supply associated ground
Analog ADC VCC1 associated Supply
APPLICATION NOTE: See FIGURE 3-1: Recommended Battery Circuit on page 49.
1.4.12 SMBUS INTERFACE
TABLE 1-16: SMBUS INTERFACE
SMBus Interface
Pin Ref. Number
112
111
110
109
89
88
91
90
126
125
Signal Name
I2C0_CLK0
I2C0_DAT0
I2C0_CLK1
I2C0_DAT1
I2C1_CLK0
I2C1_DAT0
I2C2_CLK0
I2C2_DAT0
I2C3_CLK0
I2C3_DAT0
Description
SMBus Controller 0 Port 0 Clock
SMBus Controller 0 Port 0 Data
SMBus Controller 0 Port 1 Clock
SMBus Controller 0 Port 1 Data
SMBus Controller 1 Clock
SMBus Controller 1 Data
SMBus Controller 2 Clock
SMBus Controller 2 Data
SMBus Controller 3 Clock
SMBus Controller 3 Data
(8 Pins)
Notes
(18 Pins)
Notes
Note 3
(10 Pins)
Notes
 2014 - 2015 Microchip Technology Inc.
DS00001719D-page 17