Datasheet
RL78/L12 CHAPTER 4 PORT FUNCTIONS
R01UH0330EJ0200 Rev.2.00 99
Dec 13, 2013
4.2 Port Configuration
Ports include the following hardware.
Table 4-1. Port Configuration
Item Configuration
Control registers
Port mode registers (PM1 to PM7, PM12, PM14)
Port registers (P1 to P7, P12-P14)
Pull-up resistor option registers (PU1, PU3 to PU5, PU7, PU12, PU14)
Port input mode register (PIM1)
Port output mode register (POM1)
Port mode control registers (PMC1, PMC4, PMC12, PMC14)
A/D port configuration register (ADPC)
Peripheral I/O redirection register (PIOR)
LCD port function registers (PFSEG0 PFSEG4)
LCD input switch control register (ISCLCD)
Port • 32-pin products
Total: 20 (CMOS I/O: 15, CMOS input: 3, N-ch open drain I/O: 2)
• 44-pin products
Total: 29 (CMOS I/O: 22, CMOS input: 5, N-ch open drain I/O: 2)
• 48-pin products
Total: 33 (CMOS I/O: 26, CMOS input: 5, N-ch open drain I/O: 2)
• 52-pin products
Total: 37 (CMOS I/O: 30, CMOS input: 5, N-ch open drain I/O: 2)
• 64-pin products
Total: 47 (CMOS I/O: 39, CMOS input: 5, CMOS output: 1, N-ch open drain I/O: 2)
Pull-up resistor • 32-pin products Total: 13
• 44-pin products Total: 20
• 48-pin products Total: 24
• 52-pin products Total: 28
• 64-pin products Total: 37