MCP3202

DS21034A-page 14

Preliminary

© 1999 Microchip Technology Inc.

FIGURE 5-1:

Communication with the MCP3202 using MSB first format only.

FIGURE 5-2:

Communication with MCP3202 using LSB first format.

Null

Bit

B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11

CS

CLK

D

OUT

HI-Z

HI-Z

(MSB)

t

CONV

t

DATA

**

Power Down

t

SAMPLE

D

IN

t

CYC

t

CSH

* After completing the data transfer, if further clocks are applied with CS low, the A/D Converter will output zeros indefinitely.

** t

node, leaving the CLK running to clock out LSB first data or zeroes.

t

SUCS

Don’t Care

*