MCP47FVB21 datasheet(34/92 Pages) MICROCHIP

34 / 92 page

MCP48FEBXX

DS20005429B-page 34

 2015 Microchip Technology Inc.

4.2.7

DEVICE REGISTERS

registers for both the volatile memory locations and the

nonvolatile memory locations. These registers will be

either 8 bits, 10 bits, or 12 bits wide. The values are

right justified.

DAC0 AND DAC1 REGISTERS (VOLATILE AND NONVOLATILE)

U-0

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

12-bit

—

D11

D10

D09

D08

D07

D06

D05

D04

D03

D02

D01

D00

10-bit

—

—(1)

D09

D08

D07

D06

D05

D04

D03

D02

D01

D00

8-bit

—

—(1)

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

000h = Zero-Scale output value

Note 1:

Unimplemented bit, read as ‘0’.

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