Renesas RL78/G13

RL78/G13 CHAPTER 4 PORT FUNCTIONS
R01UH0146EJ0100 Rev.1.00 164
Sep 22, 2011
CHAPTER 4 PORT FUNCTIONS
4.1 Port Functions
Pin I/O buffer power supplies depend on the product. The relationship between these power supplies and the pins is
shown below.
Table 4-1. Pin I/O Buffer Power Supplies
(1) 20-pin, 24-pin, 25-pin, 30-pin, 32-pin, 36-pin, 40-pin, 44-pin, 48-pin, 52-pin products
Power Supply Corresponding Pins
VDD All pins
(2) 64-pin products
Power Supply Corresponding Pins
EVDD0 Port pins other than P20 to P27, P121 to P124, and P137
VDD • P20 to P27, P121 to P124, and P137
• Pins other than port pins
(3) 80-pin products
Power Supply Corresponding Pins
EVDD0 Port pins other than P20 to P27, P121 to P124, P137, and P150 to P153
VDD • P20 to P27, P121 to P124, P137, and P150 to P153
• Pins other than port pins
(4) 100-pin products
Power Supply Corresponding Pins
EVDD0, EVDD1 Port pins other than P20 to P27, P121 to P124, P137, and P150 to P156
VDD • P20 to P27, P121 to P124, P137, and P150 to P156
• Pins other than port pins
(5) 128-pin products
Power Supply Corresponding Pins
EVDD0, EVDD1 Port pins other than P20 to P27, P121 to P124, P137, and P150 to P156
VDD • P20 to P27, P121 to P124, P137, and P150 to P156
• Pins other than port pins
The RL78/G13 microcontrollers are provided with digital I/O ports, which enable variety of control operations.
In addition to the function as digital I/O ports, these ports have several alternate functions. For details of the alternate
functions, see CHAPTER 2 PIN FUNCTIONS.