Datasheet

R01DS0052EJ0140 Rev.1.40 Page 46 of 150
2014.07.16
RX62N Group, RX621 Group 1. Overview
Analog power supply AVCC Input Analog power supply pin for the A/D and D/A converters. When
the A/D and D/A converters are not in use, connect this pin to
the system power supply.
AVSS Input Ground pin for the A/D and D/A converters. Connect this pin to
the system power supply (0 V).
VREFH Input Reference power supply pin for the A/D and D/A converters.
When the A/D and D/A converters are not in use, connect this
pin to the system power supply.
VREFL Input Reference ground pin for the A/D and D/A converters. Make
sure to connect this pin to the analog reference power supply (0
V). When the A/D and D/A converters are not in use, connect
this pin to the system power supply (0 V).
I/O ports P00 to P03, P05, P07 I/O 6-bit input/output pins.
P10 to P17 I/O 8-bit input/output pins.
P20 to P27 I/O 8-bit input/output pins.
P30 to P34 I/O 5-bit input/output pins.
P35 Input 1-bit input pin.
P40 to P47 I/O 8-bit input/output pins.
P50 to P52, P54 to P57 I/O 7-bit input/output pins.
P53 Input 1-bit input pin.
P60 to P67 I/O 8-bit input/output pins.
P70 to P77 I/O 8-bit input/output pins.
P80 to P85 I/O 6-bit input/output pins.
P90 to P97 I/O 8-bit input/output pins.
PA0 to PA7 I/O 8-bit input/output pins.
PB0 to PB7 I/O 8-bit input/output pins.
PC0 to PC7 I/O 8-bit input/output pins.
PD0 to PD7 I/O 8-bit input/output pins.
PE0 to PE7 I/O 8-bit input/output pins.
PF0 to PF4 I/O 5-bit input/output pins.
PG0 to PG7 I/O 8-bit input/output pins.
Table 1.9 Pin Functions (7 / 7)
Classifications Pin Name I/O Description