Renesas rl78 User Manual
RL78/G1A
CHAPTER 4 PORT FUNCTIONS
R01UH0305EJ0200 Rev.2.00
97
Jul 04, 2013
4.2 Port Configuration
Ports include the following hardware.
Table 4-1. Port Configuration
Item Configuration
Control registers
Port mode registers (PM0 to PM7, PM12, PM14, PM15)
Port registers (P0 to P7, P12 to P15)
Pull-up resistor option registers (PU0, PU1, PU3 to PU5, PU7, PU12, PU14)
Port input mode registers (PIM0, PIM1)
Port output mode registers (POM0, POM1, POM5, POM7)
Port mode control registers (PMC0, PMC1, PMC3 to PMC5, PMC7, PMC12)
A/D port configuration register (ADPC)
Peripheral I/O redirection register (PIOR)
Global digital input disable register (GDIDIS)
Global analog input disable register (GAIDIS)
Port
• 25-pin products
Total: 19 (CMOS I/O: 14 (N-ch open drain I/O [V
DD
tolerance]: 6), CMOS input: 3, N-ch
open drain I/O [6-V tolerance]: 2)
• 32-pin products
Total: 26 (CMOS I/O: 20 (N-ch open drain I/O [V
DD
tolerance]: 9), CMOS input: 3, N-ch
open drain I/O[6-V tolerance]: 3)
• 48-pin products
Total: 42 (CMOS I/O: 32 (N-ch open drain I/O [V
DD
tolerance]: 11), CMOS input: 5, CMOS
output: 1, N-ch open drain I/O[6-V tolerance]: 4)
• 64-pin products
Total: 56 (CMOS I/O: 46 (N-ch open drain I/O [V
DD
tolerance]: 12), CMOS input: 5, CMOS
output: 1, N-ch open drain I/O[6-V tolerance]: 4)
Pull-up resistor
• 25-pin products
Total: 10
• 32-pin products
Total: 15
• 48-pin products
Total: 23
• 64-pin products
Total: 33
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