RX62N Group, RX621 Group
1. Overview
Table 1.9
Pin Functions (7 / 7)
Classifications
Pin Name
I/O
Description
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
Input
Ground pin for the A/D and D/A converters. Connect this pin to
the system power supply (0 V).
VREFH
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). For details, see
section 34.6.7, Ranges of Settings for Analog Power Supply
and Other Pins.
I/O ports
P00 to P03, P05, P07
P10 to P17
P20 to P27
P30 to P34
P35
I/O
I/O
I/O
I/O
Input
I/O
I/O
Input
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
6-bit input/output pins.
8-bit input/output pins.
8-bit input/output pins.
5-bit input/output pins.
1-bit input pin.
P40 to P47
P50 to P52, P54 to P57
P53
8-bit input/output pins.
7-bit input/output pins.
1-bit input pin.
P60 to P67
P70 to P77
P80 to P85
P90 to P97
PA0 to PA7
PB0 to PB7
PC0 to PC7
PD0 to PD7
PE0 to PE7
PF0 to PF4
PG0 to PG7
8-bit input/output pins.
8-bit input/output pins.
6-bit input/output pins.
8-bit input/output pins.
8-bit input/output pins.
8-bit input/output pins.
8-bit input/output pins.
8-bit input/output pins.
8-bit input/output pins.
5-bit input/output pins.
8-bit input/output pins.
R01DS0052EJ0110 Rev.1.10
Feb 10, 2011
Page 46 of 146