CCU 3000, CCU 3000-I
CCU 3001, CCU 3001-I
020BH
Bit
Port 5 Direction Register
Reset
Read
Write
7 to 6
5 to 0
x
x
x
x
1
‘1’ = input, ‘0’ = output mode
020CH
Port 5 Data Register
Bit
Reset
Read
Write
7 to 6
x
0
0
0
0
0
0
x
x
5
4
3
2
1
0
Data bit 5
Data bit 4
Data bit 3
Data bit 2
Data bit 1
Data bit 0
Data bit 5
Data bit 4
Data bit 3
Data bit 2
Data bit 1
Data bit 0
020DH
Bit
IR Input
Reset
Read
Write
7 to 3
2
x
x
x
x
x
x
x
IR–pin logic level
1
‘1’ if a falling edge occurred since last
read, else ‘0’
0
x
‘1’ if a rising edge occurred since last
read, else ‘0’
x
020FH
Bit
Port 7 Mode Register
Reset
Read
Write
7
0
x
‘0’ = port mode, ‘1’ = power down control
for external memory
6
5
4
3
2
1
0
0
0
0
0
0
0
0
x
x
x
x
x
x
x
‘0’ = port mode, ‘1’ = \R/W output
‘0’ = port mode, ‘1’ = banking addr. bit 5
‘0’ = port mode, ‘1’ = banking addr. bit 4
‘0’ = port mode, ‘1’ = banking addr. bit 3
‘0’ = port mode, ‘1’ = banking addr. bit 2
‘0’ = port mode, ‘1’ = banking addr. bit 1
‘0’ = port mode, ‘1’ = banking addr. bit 0
40
MICRONAS INTERMETALL
MICRONAS [ MICRONAS ]
