PIC24HJ12GP201ESLASHML datasheet(95/234 Pages) MICROCHIP

95 / 234 page

Preliminary

DS70282B-page 93

PIC24HJ12GP201/202

9.4.3.2

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 sets

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

pin (see Register 9-10 through Register 9-17). 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 9-2 and Figure 9-3).

The list of peripherals for output mapping also includes

a null value of ‘00000’ because of the mapping

technique. This permits any given pin to remain

unconnected from the output of any of the pin

selectable peripherals.

FIGURE 9-3:

MULTIPLEXING OF REMAPPABLE OUTPUT FOR RPn

TABLE 9-2:

OUTPUT SELECTION FOR REMAPPABLE PIN (RPn)

RPnR<4:0>

default

U1TX Output enable

U1RTS Output enable 4

OC1 Output enable

default

U1TX Output

U1RTS Output 4

OC2 Output

OC1 Output

Output enable

Output Data

RPn

OC2 Output enable

Function

RPnR<4:0>

Output Name

NULL

00000

RPn tied to default port pin

U1TX

00011

RPn tied to UART 1 Transmit

U1RTS

00100

RPn tied to UART 1 Ready To Send

SDO1

00111

RPn tied to SPI 1 Data Output

SCK1OUT

01000

RPn tied to SPI 1 Clock Output

SS1OUT

01001

RPn tied to SPI 1 Slave Select Output

OC1

10010

RPn tied to Output Compare 1

OC2

10011

RPn tied to Output Compare 2

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