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μ
PD720231
2.7
General Purpose I/O Interface
Pin Name
Pin
No.
GPIO0/
1
SPISO
GPIO1/
2
SPISCK
GPIO2/
3
SPISI
GPIO3/
4
SPICSB
GPIO4
6
Note1
8
GPIO5
Note1
9
GPIO6/ACT
GPIO7/CLKOUT
41
GPIO8
37
GPIO9/EXTINT
48
Note 1. Except for GPIO5 and GPIO6, all the other GPIOs are supplied power from VDDGPIO. GPIO5
and GPIO6 are supplied power from internal VDD33 line.
mark
2. GPIO4 drives low in default. Other GPIO signals are open state in default.
2.8
Renesas private signal
Pin Name
Pin No.
IC
42, 43
NC
14, 36
R19UH0094EJ0100 Rev 1.00
Mar 1, 2013
Table 2-7. General Purpose I/O Interface
Direction Buffer Type
3.3/2.5 V
I/O
I/O
5 V
tolerant
buffer
3.3/2.5 V
I/O
Table 2-8. Test signal
Direction Buffer Type
−
I
−
−
Active
Level
General purpose I/O or SPI read data signal
General purpose I/O or SPI clock
General purpose I/O or SPI write data signal
General purpose I/O or SPI chip select for the
external serial ROM.
General purpose I/O
−
Default low drive.
General purpose I/O
General purpose I/O or Disk Activity LED
General purpose I/O or 30 MHz clock output
General purpose I/O
General purpose I/O or external interrupt such as
push button input
Active
Level
−
Test signal.
These pins must be connected to GND or left
opened.
−
Non connection pin.
This pin should be opened.
2. Pin Function
Function
Note2
Function
Page 7 of 30
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