Datasheet

RL78/L12 CHAPTER 4 PORT FUNCTIONS
R01UH0330EJ0200 Rev.2.00 112
Dec 13, 2013
4.3.8 Peripheral I/O redirection register (PIOR)
This register is used to specify whether to enable or disable the peripheral I/O redirect function.
This function is used to switch ports to which alternate functions are assigned.
Use the PIOR register to assign a port to the function to redirect and enable the function.
In addition, can be changed the settings for redirection until its function enable operation.
The PIOR register can be set by an 8-bit memory manipulation instruction.
Reset signal generation sets this register to 00H.
Figure 4-8. Format of Peripheral I/O Redirection Register (PIOR)
Address: F0077H After reset: 00H R/W
Symbol 7 6 5 4 3 2 1 0
PIOR 0 0 0 0 0 0 PIOR1 PIOR0
Bit Function 64-pin 52-pin 48-pin 44-pin 32 -pin
Setting value Setting value Setting value Setting value Setting value
0 1 0 1 0 1 0 1 0 1
PIOR1 PCLBUZ0 P140 P50 P140 P50 P140 P50
These functions are not
available for use. Set this
bit to 0 (default value).
PIOR0 INTP1 P15 P53 P15 P10 P15 P10 P15 P10 P15 P10
INTP2 P16 P54 P16 P11 P16 P11 P16 P11 P16 P11
INTP6 P52 P140 − − − − − − − −
INTP7 P43 P141 − − − − − − − −
TI02/TO02 P17 P54 P17 P12 P17 P12 P17 P12 P17 P12
<R>