MCP48CMB21 datasheet(48/106 Pages) MICROCHIP

48 / 106 page

MCP48CXBXX

DS20006160A-page 48

 2019 Microchip Technology Inc.

4.2.6

DEVICE REGISTERS

registers for the volatile memory locations. These reg-

isters will be either 8 bits, 10 bits, or 12 bits wide. The

values are right justified.

DAC0 (00H/10H) AND DAC1 (01H/11H) OUTPUT VALUE REGISTERS

(VOLATILE/NONVOLATILE)

U-0

R/W-n R/W-n R/W-n R/W-n R/W-n R/W-n R/W-n R/W-n R/W-n R/W-n R/W-n R/W-n

12-bit

——

D11

D10

D09

D08

D07

D06

D05

D04

D03

D02

D01

D00

10-bit

——

———

—

D09

D08

D07

D06

D05

D04

D03

D02

D01

D00

8-bit

—

D07

D06

D05

D04

D03

D02

D01

D00

bit 15

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

= 12-bit device

10-bit device

= 8-bit device

12-bit

10-bit

8-bit

bit 15-12 bit 15-10 bit 15-8

Unimplemented: Read as ‘0’

bit 11-0

—

D11-D00: DAC Output value - 12-bit devices

FFFh = Full-Scale output value

7FFh = Mid-Scale output value

000h = Zero-Scale output value

—

bit 9-0

—

D09-D00: DAC Output value - 10-bit devices

3FFh = Full-Scale output value

1FFh = Mid-Scale output value

000h = Zero-Scale output value

—

bit 7-0

D07-D00: DAC Output value - 8-bit devices

FFh = Full-Scale output value

7Fh = Mid-Scale output value

00h = Zero-Scale output value

Note 1:

Unimplemented bit, read as ‘0’.

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