MCP37231 datasheet(9/144 Pages) MICROCHIP

9 / 144 page

 2014-2016 Microchip Technology Inc.

DS20005322D-page 9

MCP37231/21-200 AND MCP37D31/21-200

A42

Q11/Q5+

Digital

Output

Digital data output: CMOS = Q11

DDR LVDS = Q5+ (Even bit first), Q13+ (MSb byte first)

Serialized LVDS = Q+ for channel order (n) = 3

B35

Q12/Q6-

Digital data output: CMOS = Q12

DDR LVDS = Q6- (Even bit first), Q14- (MSb byte first)

Serialized LVDS = Q- for channel order (n) = 2

A43

Q13/Q6+

Digital data output: CMOS = Q13

DDR LVDS = Q6+ (Even bit first), Q14+ (MSb byte first)

Serialized LVDS = Q+ for channel order (n) = 2

A44

Q14/Q7-

Digital data output: CMOS = Q14

DDR LVDS = Q7- (Even bit first), Q15- (MSb byte first)

Serialized LVDS = Q- for the first selected channel (n) = 1

B37

Q15/Q7+

Digital data output: CMOS = Q15

DDR LVDS = Q7+ (Even bit first), Q15+ (MSb byte first)

Serialized LVDS = Q+ for the first selected channel (n) = 1

B38

WCK/OVR+

(OVR)

WCK: Word clock sync digital output

OVR: Input overrange indication digital output(11)

A45

WCK/OVR-

(WCK)

SPI Interface Pins

A53

SDIO

Digital Input/

Output

SPI data input/output

A54

SCLK

Digital

Input

SPI serial clock input

B44

SPI Chip Select input

Not Connected Pins

A1, A13 - A20, A32

- A37, A46 - A52,

A66 - A68, B14,

B28, B29, B40,

B41, B42, B55, B56

These pins can be tied to ground or left floating.

Pins that need to be grounded

A24, A64, B20, B54

GND

These pins are not supply pins, but need to be tied to ground.

TABLE 1-1:

PIN FUNCTION TABLE FOR VTLA-124 (CONTINUED)

Pin No.

Name

I/O Type

Description

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