MCP47FVB02 datasheet(36/92 Pages) MICROCHIP

36 / 92 page

MCP48FEBXX

DS20005429B-page 36

 2015 Microchip Technology Inc.

Control Register. Each DAC has two bits to control the

Power-Down state of the DAC. This register is for both

the volatile memory locations and the nonvolatile

memory locations.

POWER-DOWN CONTROL REGISTER (VOLATILE AND NONVOLATILE)

(ADDRESSES 09h, 19h)

U-0

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

Single

—

—(1)

—(1) PD0B PD0A

Dual

—

PD1B PD1A PD0B PD0A

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

= Single-channel device

= Dual-channel device

Single

Dual

bit 15-2

bit 15-4

Unimplemented:

Read as ‘0’

bit 1-0

bit 3-0

PDxB-PDxA:

DAC Power-Down Control bits(2)

= Powered Down - VOUT is open circuit.

= Powered Down - VOUT is loaded with a 100 k resistor to ground.

= Powered Down - VOUT is loaded with a 1 k resistor to ground.

= Normal Operation (Not powered-down)

Note 1:

Unimplemented bit, read as ‘0’.

See Table 5-5 and Figure 5-10 for more details.

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