PIC24HJ12GP201_11 Datasheet, PDF(104/262 Page) Microchip Technology – High-Performance, 16-bit Microcontrollers 5-cycle latency

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PIC24HJ12GP201_11 Datasheet, PDF (104/262 Pages) Microchip Technology – High-Performance, 16-bit Microcontrollers 5-cycle latency

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PIC24HJ12GP201/202

TABLE 10-1: SELECTABLE INPUT SOURCES (MAPS INPUT TO FUNCTION)(1)

Input Name

Function Name

Register

External Interrupt 1

INT1

RPINR0

External Interrupt 2

INT2

RPINR1

Timer2 External Clock

T2CK

RPINR3

Timer3 External Clock

T3CK

RPINR3

Input Capture 1

IC1

RPINR7

Input Capture 2

IC2

RPINR7

Input Capture 7

IC7

RPINR10

Input Capture 8

IC8

RPINR10

Output Compare Fault A

OCFA

RPINR11

UART1 Receive

U1RX

RPINR18

UART1 Clear To Send

U1CTS

RPINR18

SPI1 Data Input

SDI1

RPINR20

SPI1 Clock Input

SCK1IN

RPINR20

SPI1 Slave Select Input

SS1IN

RPINR21

Note 1: Unless otherwise noted, all inputs use the Schmitt input buffers.

Configuration

Bits

INT1R<4:0>

INT2R<4:0>

T2CKR<4:0>

T3CKR<4:0>

IC1R<4:0>

IC2R<4:0>

IC7R<4:0>

IC8R<4:0>

OCFAR<4:0>

U1RXR<4:0>

U1CTSR<4:0>

SDI1R<4:0>

SCK1R<4:0>

SS1R<4:0>

10.4.2.2 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 sets

of 5-bit fields, with each set associated with one RPn

pin (see Register 10-10 through Register 10-17). The

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

erals, and that peripheralâs output is mapped to the pin

(see Table 10-2 and Figure 10-3).

The list of peripherals for output mapping also includes

a null value of â00000â because of the mapping

technique. This permits any given pin to remain

unconnected from the output of any of the pin

selectable peripherals.

FIGURE 10-3:

MULTIPLEXING OF

REMAPPABLE OUTPUT

FOR RPn

RPnR<4:0>

Default

0

U1TX Output enable

3

U1RTS Output enable 4

Output Enable

OC1 Output Enable 18

OC2 Output Enable

19

Default

0

U1TX Output 3

U1RTS Output 4

RPn

Output Data

OC1 Output 18

OC2 Output 19

DS70282E-page 104

Â© 2007-2011 Microchip Technology Inc.

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