MEC1322 datasheet(17/456 Pages) MICROCHIP

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DS00001719D-page 17

MEC1322

1.4.10

PS/2 INTERFACE

TABLE 1-14:

PS/2 INTERFACE

1.4.11

POWER INTERFACE

TABLE 1-15:

POWER INTERFACE

APPLICATION NOTE: See FIGURE 3-1: Recommended Battery Circuit on page 49.

1.4.12

SMBUS INTERFACE

TABLE 1-16:

SMBUS INTERFACE

PS/2 Interface

(8 Pins)

Pin Ref. Number

Signal Name

Description

Notes

PS2_CLK2

PS/2 clock 2

PS2_DAT2

PS/2 data 2

PS2_CLK1

PS/2 clock 1

PS2_DAT1

PS/2 data 1

PS2_CLK0

PS/2 clock 0

PS2_DAT0

PS/2 data 0

103

PS2_CLK3

PS/2 clock 3

105

PS2_DAT3

PS/2 data 3

Power Interface

(18 Pins)

Pin Ref. Number

Signal Name

Description

Notes

VSS_VBAT

VBAT associated ground

VBAT

VBAT supply

CAP

Internal Voltage Regulator Capacitor

Note 3

11, 36, 47, 56, 82,

104, 117

VSS

VCC1 associated ground

14, 37, 58, 84, 106,

119

VCC1

VCC1 supply

AVSS

Analog ADC supply associated ground

AVCC

Analog ADC VCC1 associated Supply

SMBus Interface

(10 Pins)

Pin Ref. Number

Signal Name

Description

Notes

112

I2C0_CLK0

SMBus Controller 0 Port 0 Clock

111

I2C0_DAT0

SMBus Controller 0 Port 0 Data

110

I2C0_CLK1

SMBus Controller 0 Port 1 Clock

109

I2C0_DAT1

SMBus Controller 0 Port 1 Data

I2C1_CLK0

SMBus Controller 1 Clock

I2C1_DAT0

SMBus Controller 1 Data

I2C2_CLK0

SMBus Controller 2 Clock

I2C2_DAT0

SMBus Controller 2 Data

126

I2C3_CLK0

SMBus Controller 3 Clock

125

I2C3_DAT0

SMBus Controller 3 Data

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