DSPIC33EP128GS708 datasheet(350/484 Pages) MICROCHIP

350 / 484 page

dsPIC33EPXXXGS70X/80X FAMILY

DS70005258C-page 350

 2016-2018 Microchip Technology Inc.

26.3

Current Source Control Register

ISRCCON: CONSTANT-CURRENT SOURCE CONTROL REGISTER

R/W-0

U-0

R/W-0

ISRCEN

—

OUTSEL2(1)

OUTSEL1(1) OUTSEL0(1)

bit 15

bit 8

U-0

R/W-0

—

ISRCCAL5

ISRCCAL4

ISRCCAL3

ISRCCAL2

ISRCCAL1

ISRCCAL0

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

ISRCEN: Constant-Current Source Enable bit

1 = Current source is enabled

0 = Current source is disabled

bit 14-11

Unimplemented: Read as ‘0’

bit 10-8

OUTSEL<2:0>: Output Constant-Current Select bits(1)

111 = Reserved

110 = Reserved

101 = Reserved

100 = Reserved

011 = Input pin, ISRC4 (AN4)

010 = Input pin, ISRC3 (AN5)

001 = Input pin, ISRC2 (AN6)

000 = Input pin, ISRC1 (AN12)

bit 7-6

Unimplemented: Read as ‘0’

bit 5-0

ISRCCAL<5:0>: Constant-Current Source Calibration bits

The calibration value must be copied from Flash address, 0x800E78, into these bits before the

module is enabled. Refer to the calibration data address table (Table 27-3) in Section 27.0 “Special

Features” for more information.

Note 1:

ISRC1 and ISCR3 are not available on 28, 44 and 48-pin packages. Refer to the “Pin Diagrams” section

for availability.

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