RL78/F13, F14 CHAPTER 4 PORT FUNCTIONS
R01UH0368EJ0210 Rev.2.10 345
Dec 10, 2015
4.3.23 Port mode select register (PMS)
This register is provided to support IEC60730.
It selects whether to read the output latch value or the pin output level when the port is set to output mode.
This register can be set by a 1-bit or 8-bit memory manipulation instruction.
Any reset source clears this register to 00H.
Figure 4-96. Port Mode Select Register (PMS)
Address: F0077H After reset: 00H R/W
Symbol 7 6 5 4 3 2 1 0
PMS 0 0 0 0 0 0 0 PMS0
PMS0 Data read from Pmn when PMmn = 0 (m = 0 to 15; n = 0 to 7)
0 Initial setting. When PMmn = 0 (output mode), the value of Pmn (output latch) is read.
1 When PMmn = 0 (output mode), the pin level is read.
PMmn PMS0 Data read from Pmn
0 0 Value of the Pmn register (output latch)
0 1 Pin output level
1 0 Pin input level
1 1 Pin input level
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