DSPIC33FJ06GS201TESLASHMM datasheet(263/346 Pages) MICROCHIP

263 / 346 page

Preliminary

DS70318D-page 261

dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04

CMPCONx: COMPARATOR CONTROL REGISTER

R/W-0

U-0

R/W-0

U-0

R/W-0

CMPON

—

CMPSIDL

—

—DACOE

bit 15

bit 8

R/W-0

U-0

R/W-0

U-0

R/W-0

INSEL<1:0>

EXTREF

—

CMPSTAT

—

CMPPOL

RANGE

bit 7

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

bit 15

CMPON:

Comparator Operating Mode bit

= Comparator module is enabled

= Comparator module is disabled (reduces power consumption)

bit 14

Unimplemented:

Read as ‘0’

bit 13

CMPSIDL:

Stop in Idle Mode bit

= Discontinue module operation when device enters Idle mode.

= Continue module operation in Idle mode

If a device has multiple comparators, any CMPSIDL bit set to ‘1’ disables ALL comparators while in

Idle mode.

bit 12-9

Reserved:

Read as ‘0’

bit 8

DACOE:

DAC Output Enable

= DAC analog voltage is output to DACOUT pin(1)

= DAC analog voltage is not connected to DACOUT pin

bit 7-6

INSEL<1:0>:

Input Source Select for Comparator bits

= Select CMPxA input pin

= Select CMPxB input pin

= Select CMPxC input pin

= Select CMPxD input pin

bit 5

EXTREF:

Enable External Reference bit

= External source provides reference to DAC (maximum DAC voltage determined by external

voltage source)

= Internal reference sources provide reference to DAC (maximum DAC voltage determined by

RANGE bit setting)

bit 4

Reserved:

Read as ‘0’

bit 3

CMPSTAT:

Current State of Comparator Output Including CMPPOL Selection bit

bit 2

Reserved:

Read as ‘0’

bit 1

CMPPOL:

Comparator Output Polarity Control bit

= Output is inverted

= Output is non-inverted

bit 0

RANGE:

Selects DAC Output Voltage Range bit

= High Range: Max DAC Value = AVDD/2, 1.65V at 3.3V AVDD

= Low Range: Max DAC Value = INTREF, 1.2V, ±1%

Note 1:

DACOUT can be associated only with a single comparator at any given time. The software must ensure

that multiple comparators do not enable the DAC output by setting their respective DACOE bit.

DSPIC33FJ06GS201TE/MM Datasheet(PDF) 263 Page - Microchip Technology

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