Datasheet

Appendix D Pin States
Rev.6.00 Sep. 27, 2007 Page 1261 of 1268
REJ09B0220-0600
Port Name
Pin Name
MCU
Operating
Mode
Reset
Hardware
Standby
Mode
Software
Standby Mode
Bus-Released
State
Program
Execution State
Sleep Mode
PA
4
/A
20
4, 5 L T [A20E · DDR = 1]
kept
[A20E · OPE = 1]
T
[A20E · OPE = 1]
kept
[A20E · DDR = 1]
kept
[A20E+A20E ·
DDR = 1]
T
[A20E · DDR = 1]
Output port
[A20E+A20E ·
DDR = 1]
Address output
6 T T [A20E = 0],
[A20E · DDR = 1]
kept
[A20E · DDR ·
OPE = 1]
T
[A20E · DDR ·
OPE = 1]
kept
[A20E = 0]
kept
[A20E · DDR = 1]
kept
[A20E · DDR = 1]
T
[A20E = 0]
I/O port
[A20E · DDR = 1]
Output port
[A20E · DDR = 1]
Address output
7 T T kept kept I/O port
PA
3
/A
19
PA
2
/A
18
PA
1
/A
17
PA
0
/A
16
4, 5 L T [OPE = 0]
T
[OPE = 1]
kept
T Address output
6 T T [DDR · OPE = 0]
T
[DDR · OPE = 1]
kept
T [DDR = 0]
Input port
[DDR = 1]
Address output
7 T T kept kept I/O port
Port B 4, 5 L T [OPE = 0]
T
[OPE = 1]
kept
T Address output
6 T T [DDR · OPE = 0]
T
[DDR · OPE = 1]
kept
T [DDR = 0]
Input port
[DDR = 1]
Address output
7 T T kept kept I/O port