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RX634 Datasheet, PDF (12/106 Pages) Renesas Technology Corp – 54 MHz 32-bit RX MCU with FPU, 90 DMIPS, up to 2-Mbyte flash memory
RX634 Group
1. Overview
Table 1.4
Pin Functions (4 / 4)
Classifications
Pin Name
I/O
Description
12-bit A/D converter
AN000 to AN015
Input
Input pins for the analog signals to be processed by the A/D
converter.
ADTRG0#
Input
Input pin for the external trigger signals that start the A/D
conversion.
D/A converter
DA0, DA1
Output Output pins for the analog signals to be processed by the D/A
converter.
Analog power supply
AVCC0
—
Analog voltage supply pin for the 12-bit A/D converter. Connect this
pin to VCC if the 12-bit A/D converter is not to be used.
AVSS0
—
Analog ground pin for the 12-bit A/D converter. Connect this pin to
VSS if the 12-bit A/D converter is not to be used.
VREFH0
—
Analog reference voltage supply pin for the 12-bit A/D converter.
Connect this pin to VCC if the 12-bit A/D converter is not to be used.
VREFL0
—
Analog reference ground pin for the 12-bit A/D converter. Connect
this pin to VSS if the 12-bit A/D converter is not to be used.
VREFH
—
Analog voltage supply pin for the D/A converter. Connect this pin to
VCC if the D/A converter is not to be used.
VREFL
—
Analog ground pin for the D/A converter. Connect this pin to VSS if
the D/A converter is not to be used.
I/O ports
P00 to P03, P05, P07 I/O
6-bit input/output pins.
P12 to P17
I/O
6-bit input/output pins.
P20 to P27
I/O
8-bit input/output pins.
P30 to P35
I/O
6-bit input/output pins. (P35 input pin)
P40 to P47
Input
8-bit input pins.
P50 to P56
I/O
7-bit input/output pins.
P60 to P67
I/O
8-bit input/output pins.
P70 to P77*1
I/O
8-bit input/output pins.
P80 to P83, P86, P87 I/O
6-bit input/output pins.
P90 to P93
I/O
4-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.
PF5
I/O
1-bit input/output pin.
PH0 to PH3
I/O
4-bit input/output pins.
PJ1 to PJ5
I/O
5-bit input/output pins.
PK2 to PK5
I/O
4-bit input/output pins.
PL0, PL1, PL5*2
I/O
3-bit input/output pins.
Note 1. The P73 pin is available only in 5-V packages. It is not available in 3-V packages.
Note 2. The PL5 pin is available only in 3-V packages. It is not available in 5-V packages.
R01DS0255EJ0100 Rev.1.00
Feb 25, 2015
Page 12 of 106