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4.13 External Pin Control Register 1 (EPCR1)
External pin control register 1 (EPCR1) controls address signal output.
Configuration of External Pin Control Register 1 (EPCR1)
External pin control register 1 (EPCR1) is configured as follows:
EPCR1
Address: 0000 062A
H
Bit Functions of External Pin Control Register 1 (EPCR1)
[bit 8 to 0] AE24 to AE16 (Address output Enable 24 to 16)
The AE24 to AE16 bits specify whether to output the corresponding addresses.
When the output is inhibited, the register can be used as an I/O port.
0: Inhibits output.
1: Permits output (initial value).
AE24 to AE16 are reset to "1FF
15
14
13
7
6
5
AE23 AE22 AE21 AE20 AE19 AE18 AE17 AE16
4.13 External Pin Control Register 1 (EPCR1)
12
11
10
9
4
3
2
1
".
H
8
Initial value
AE24
-------1
0
Initial value
11111111
Access
W
Access
W
135
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