PIC12F752 datasheet(114/204 Pages) MICROCHIP

114 / 204 page

PIC12F752/HV752

DS41576A-page 114

Preliminary

 2011 Microchip Technology Inc.

14.8

DAC Control Registers

DACCON0: VOLTAGE REFERENCE CONTROL REGISTER 0

R/W-0/0

U-0

R/W-0/0

U-0

DACEN

DACRNG

DACOE

—

DACPSS

—

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

u = Bit is unchanged

x = Bit is unknown

-n/n = Value at POR and BOR/Value at all other Resets

‘1’ = Bit is set

‘0’ = Bit is cleared

bit 7

DACEN: DAC Enable bit

= DAC is enabled

= DAC is disabled

bit 6

DACRNG: DAC Range Selection bit(1)

= DAC is operating in Full Range mode

= DAC is operating in Limited Range mode

bit 5

DACOE: DAC Voltage Output Enable bit

= DAC reference output is enabled to the DACOUT pin(2)

= DAC reference output is disabled

bit 4-3

Unimplemented: Read as ‘0’

bit 2

DACPSS: DAC Positive Source Select bits

=VDD

=VREF+ pin

bit 1-0

Unimplemented: Read as ‘0’

Note 1:

Refer to Equation 14-1.

The DACOUT pin configuration requires additional control bits in the FVRCON register (see Figure 14-3).

DACCON1: VOLTAGE REFERENCE CONTROL REGISTER 1

U-0

R/W-0/0

—

DACR<4:0>

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

u = Bit is unchanged

x = Bit is unknown

-n/n = Value at POR and BOR/Value at all other Resets

‘1’ = Bit is set

‘0’ = Bit is cleared

bit 7-5

Unimplemented: Read as ‘0’

bit 4-0

DACR<4:0>: DAC Voltage Output Select bits

1 1111

= DAC Voltage Maximum Output





0 0000

= DAC Voltage Minimum Output

Note 1: Refer to Equation 14-1 to calculate the value of the DAC Voltage Output.

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