DVR datasheet(138/416 Pages) MICROCHIP

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PIC24FJ256GA705 FAMILY

DS30010118D-page 138

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11.5.3.2

Output Mapping

In contrast to inputs, the outputs of the Peripheral Pin

Select options are mapped on the basis of the pin. In

this case, a control register associated with a particular

pin dictates the peripheral output to be mapped. The

RPORx registers are used to control output mapping.

Each register contains two 6-bit fields, with each field

being associated with one RPn pin (see Register 11-32

through Register 11-46). The value of the bit field

corresponds to one of the peripherals and that

peripheral’s output is mapped to the pin (see

Table 11-7).

Because of the mapping technique, the list of peripherals

for output mapping also includes a null value of ‘000000’.

This permits any given pin to remain disconnected from

the output of any of the pin-selectable peripherals.

TABLE 11-7:

SELECTABLE OUTPUT SOURCES (MAPS FUNCTION TO OUTPUT)

Output Function Number

Function

Output Name

None (Pin Disabled)

—

C1OUT

Comparator 1 Output

C2OUT

Comparator 2 Output

3U1TX

UART1 Transmit

4U1RTS

UART1 Request-to-Send

5U2TX

UART2 Transmit

6U2RTS

UART2 Request-to-Send

SDO1

SPI1 Data Output

SCK1OUT

SPI1 Clock Output

SS1OUT

SPI1 Slave Select Output

SDO2

SPI2 Data Output

SCK2OUT

SPI2 Clock Output

SS2OUT

SPI2 Slave Select Output

OC1

Output Compare 1

OC2

Output Compare 2

OC3

Output Compare 3

OCM2A

CCP2A Output Compare

OCM2B

CCP2B Output Compare

OCM3A

CCP3A Output Compare

OCM3B

CCP3B Output Compare

OCM4A

CCP4A Output Compare

OCM4B

CCP4B Output Compare

Reserved

—

SDO3

SPI3 Data Output

SCK3OUT

SPI3 Clock Output

SS3OUT

SPI3 Slave Select Output

C3OUT

Comparator 3 Output

PWRGT

RTCC Power Control

REFO

Reference Clock Output

CLC1OUT

CLC1 Output

CLC2OUT

CLC2 Output

RTCC

RTCC Clock Output

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