48GA004 datasheet(108/268 Pages) MICROCHIP

108 / 268 page

PIC24FJ64GA004 FAMILY

DS39881D-page 108

 2010 Microchip Technology Inc.

TABLE 10-2:

SELECTABLE INPUT SOURCES (MAPS INPUT TO FUNCTION)(1)

10.4.3.2

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.

Like the RPINRx registers, each register contains two

5-bit fields; each field being associated with one RPn

pin (see Register 10-15 through Register 10-27). The

value of the bit field corresponds to one of the periph-

erals and that peripheral’s output is mapped to the pin

(see Table 10-3).

Because of the mapping technique, the list of peripher-

als for output mapping also includes a null value of

‘00000’. This permits any given pin to remain discon-

nected from the output of any of the pin selectable

peripherals.

Input Name

Function Name

Configuration

Bits

External Interrupt 1

INT1

RPINR0

INTR1<4:0>

External Interrupt 2

INT2

RPINR1

INTR2R<4:0>

Timer2 External Clock

T2CK

RPINR3

T2CKR<4:0>

Timer3 External Clock

T3CK

RPINR3

T3CKR<4:0>

Timer4 External Clock

T4CK

RPINR4

T4CKR<4:0>

Timer5 External Clock

T5CK

RPINR4

T5CKR<4:0>

Input Capture 1

IC1

RPINR7

IC1R<4:0>

Input Capture 2

IC2

RPINR7

IC2R<4:0>

Input Capture 3

IC3

RPINR8

IC3R<4:0>

Input Capture 4

IC4

RPINR8

IC4R<4:0>

Input Capture 5

IC5

RPINR9

IC5R<4:0>

Output Compare Fault A

OCFA

RPINR11

OCFAR<4:0>

Output Compare Fault B

OCFB

RPINR11

OCFBR<4:0>

UART1 Receive

U1RX

RPINR18

U1RXR<4:0>

UART1 Clear To Send

U1CTS

RPINR18

U1CTSR<4:0>

UART2 Receive

U2RX

RPINR19

U2RXR<4:0>

UART2 Clear To Send

U2CTS

RPINR19

U2CTSR<4:0>

SPI1 Data Input

SDI1

RPINR20

SDI1R<4:0>

SPI1 Clock Input

SCK1IN

RPINR20

SCK1R<4:0>

SPI1 Slave Select Input

SS1IN

RPINR21

SS1R<4:0>

SPI2 Data Input

SDI2

RPINR22

SDI2R<4:0>

SPI2 Clock Input

SCK2IN

RPINR22

SCK2R<4:0>

SPI2 Slave Select Input

SS2IN

RPINR23

SS2R<4:0>

Note 1:

Unless otherwise noted, all inputs use the Schmitt Trigger input buffers.

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