CCU 3000, CCU 3000-I
CCU 3001, CCU 3001-I
I:
Input
O:
Pin No.
Con-
nection
Pin Name
Short Description
68–pin
PLCC
64–pin
SDIP
Output
24
25
60
X
X
I/O
(I/O)
P16 (D6)
P17 (D7)
Port 1 bit 6 (CPU data bus bit 6)
Port 1 bit 7 (CPU data bus bit 7)
59
I/O
(I/O)
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
I/O (O)
P20 (A0)
Port 2 bit 0 (CPU address bus bit 0)
Port 2 bit 1 (CPU address bus bit 1)
Port 2 bit 2 (CPU address bus bit 2)
Port 2 bit 3 (CPU address bus bit 3)
Port 2 bit 4 (CPU address bus bit 4)
Port 2 bit 5 (CPU address bus bit 5)
Port 2 bit 6 (CPU address bus bit 6)
Port 2 bit 7 (CPU address bus bit 7)
Port 3 bit 0 (CPU address bus bit 8)
Port 3 bit 1 (CPU address bus bit 9)
Port 3 bit 2 (CPU address bus bit 10)
Port 3 bit 3 (CPU address bus bit 11)
Port 3 bit 4 (CPU address bus bit 12)
Port 3 bit 5 (CPU address bus bit 13)
Port 3 bit 6 (CPU address bus bit 14)
Port 3 bit 7 (CPU address bus bit 15)
Port 5 bit 0 (CCU read Port 1)
P21 (A1)
P22 (A2)
P23 (A3)
P24 (A4)
P25 (A5)
P26 (A6)
P27 (A7)
P30 (A8)
P31 (A9)
P32 (A10)
P33 (A11)
P34 (A12)
P35 (A13)
P36 (A14)
P37 (A15)
P50 (RD Port 1)
P51 (WR Port 1)
P52 (RD Port 2)
P53 (WR Port 2)
P54 (RD Port 3)
P55 (WR Port 3)
Port 5 bit 1 (CCU write Port 1)
Port 5 bit 2 (CCU read Port 2)
Port 5 bit 3 (CCU write Port 2)
Port 5 bit 4 (CCU read Port 3)
Port 5 bit 5 (CCU write Port 3)
P70 (Memory Bank
Address 0)
Port 7 bit 0 (Memory Bank Address 0)
49
50
51
35
34
33
X
X
X
I/O (O)
I/O (O)
I/O (O)
P71 (Memory Bank
Address 1)
Port 7 bit 1 (Memory Bank Address 1)
Port 7 bit 2 (Memory Bank Address 2)
Port 7 bit 3 (Memory Bank Address 3)
P72 (Memory Bank
Address 2)
P73 (Memory Bank
Address 3)
26
MICRONAS INTERMETALL
MICRONAS [ MICRONAS ]
