Renesas rl78 User Manual
RL78/G1A
CHAPTER 2 PIN FUNCTIONS
CHAPTER 2 PIN FUNCTIONS
2.1 Port Function
Pin I/O buffer power supplies depend on the product. The relationship between these power supplies and the pins is
shown below.
Table 2-1. Pin I/O Buffer Power Supplies
(1) 25-pin products
Power Supply
Corresponding Pins
V
DD
Port pins other than P20 to P23
• RESET, REGC
AV
DD
• P20 to P23
Jul 04, 2013
(2) 32-pin products
Power Supply
Corresponding Pins
V
DD
Port pins other than P20 to P24
• RESET, REGC
AV
DD
• P20 to P24
(3) 48-pin products
Power Supply
Corresponding Pins
V
DD
Port pins other than P20 to P27, P150
• RESET, REGC
AV
DD
• P20 to P27, P150
(4) 64-pin products
Power Supply
Corresponding Pins
EV
DD0
Port pins other than P20 to P27, P121 to P124, P137, and P150 to P154
V
DD
• P121 to P124, P137
• RESET, REGC
• RESET, REGC
AV
DD
• P20 to P27, and P150 to P154
R01UH0305EJ0200 Rev.2.00
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