MCP4132-503E/ST View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

MCP4132-503E/ST

7/8-Bit Single/Dual SPI Digital POT with Volatile Memory

Microchip Technology 

MCP413X/415X/423X/425X

VIH

CS

SCK

VIHH (1)

VIL

Write to

SSPBUF

SDO

SDI

AD3 AD2 AD1 AD0 C1

bit15 bit14 bit13 bit12 1

CMDERR bit

D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

bit9 bit8 bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0

C0 (1) (1) (1) (1) (1) (1) (1) (1) (1) (1)

1

Input

Sample

Note 1: The SDI pin will read the state of the SDI pin which will be the SDO signal, unless overdriven.

2: VIHH is supported for compability with the MCP414X/6X and MCP424X/6X devices high voltage

operation.

FIGURE 6-5:

16-Bit Read Command for Devices with SDI/SDO multiplexed -

SPI Waveform (Mode 1,1).

VIH

CS

VIHH (1)

VIL

SCK

Write to

SSPBUF

SDO

SDI

AD3 AD2 AD1 AD0 C1

bit15 bit14 bit13 bit12 1

CMDERR bit

X D8 D7 D6 D5 D4 D3 D2 D1 D0

bit9 bit8 bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0

C0 (1) (1) (1) (1) (1) (1) (1) (1) (1) (1)

1

Input

Sample

Note 1: The SDI pin will read the state of the SDI pin which will be the SDO signal, unless overdriven.

2: VIHH is supported for compability with the MCP414X/6X and MCP424X/6X devices high voltage

operation.

FIGURE 6-6:

16-Bit Read Command for Devices with SDI/SDO multiplexed -

SPI Waveform (Mode 0,0).

© 2008 Microchip Technology Inc.

DS22060B-page 45

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