DSPIC33FJ16GP101_13 Datasheet, PDF(143/386 Page) Microchip Technology – 16-Bit Digital Signal Controllers up to 32-Kbyte Flash and 2-Kbyte SRAM

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DSPIC33FJ16GP101_13 Datasheet, PDF (143/386 Pages) Microchip Technology – 16-Bit Digital Signal Controllers up to 32-Kbyte Flash and 2-Kbyte SRAM

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dsPIC33FJ16(GP/MC)101/102 AND dsPIC33FJ32(GP/MC)101/102/104

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

Timer4 External Clock

T4CK

RPINR4

Timer5 External Clock

T5CK

RPINR4

Input Capture 1

IC1

RPINR7

Input Capture 2

IC2

RPINR7

Input Capture 3

IC3

RPINR8

Output Compare Fault A

OCFA

RPINR11

UART1 Receive

U1RX

RPINR18

UART1 Clear-to-Send

U1CTS

RPINR18

SDI1 SPI Data Input 1

SDI1

RPINR20

SCK1 SPI Clock Input 1

SCK1

RPINR20

SPI1 Slave Select Input

SS1

RPINR21

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

2: These bits are available in dsPIC33FJ32(GP/MC)10X devices only.

Configuration

Bits

INT1R<4:0>

INT2R<4:0>

T2CKR<4:0>

T3CKR<4:0>

T4CKR<4:0>(2)

T5CKR<4:0>(2)

IC1R<4:0>

IC2R<4:0>

IC3R<4:0>

OCFAR<4:0>

U1RXR<4:0>

U1CTSR<4:0>

SDI1R<4:0>(2)

SCK1R<4:0>(2)

SS1R<4:0>(2)

10.4.2.2 Output Mapping

In contrast to the 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 out-

put mapping. Like the RPINRx registers, each register

contains sets of 5-bit fields, with each set associated

with one RPn pin (see Register 10-11 through

Register 10-18). The value of the bit field corresponds

to one of the peripherals, 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

OC2 Output Enable 19

Default 0

U1TX Output 3

U1RTS Output 4

Output Data

RPn

OC2 Output 19

ï£ 2011-2012 Microchip Technology Inc.

DS70652E-page 143

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