CCU 3000, CCU 3000-I
CCU 3001, CCU 3001-I
0245H
Port 8 Direction Register
Bit
7
Reset
Read
Write
1
x
x
x
1
1
1
1
x
x
x
x
x
x
x
x
‘1’ = input, ‘0’ = output mode
6
x
5
x
4
x
3
‘1’ = input, ‘0’ = output mode
‘1’ = input, ‘0’ = output mode
‘1’ = input, ‘0’ = output mode
‘1’ = input, ‘0’ = output mode
2
1
0
0246H
Bit
IM Bus 2 Control and Status Register
Reset
Read
Write
7 to 4
3
x
x
x
0
‘1’ = 1 byte received in slave
register 3 (IM bus address 4)
‘1’ = read word via IM bus
(master)
(bits 0 ... 3:
‘0000’=
reset IM bus
interface)
2
1
0
0
0
0
‘1’ = 1 byte received in slave
register 2 (IM bus address 3)
‘1’ = read byte via IM bus
(master)
‘1’ = 1 byte received in slave
register 1 (IM bus address 2)
‘1’ = write word via IM bus
(master)
‘1’ = IM bus (master) busy
‘1’ = write byte via IM bus
(master)
0247H
IM Bus 2 Data Transfer Rate Register
Bit
Reset
Read
Write
7 to 6
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
5
4
3
2
1
0
transfer rate bit 5
transfer rate bit 4
transfer rate bit 3
transfer rate bit 2
transfer rate bit 1
transfer rate bit 0
56
MICRONAS INTERMETALL