CCU 3000-I, CCU 30001-I
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
51
52
53
33
X
X
X
I/O (O)
I/O (O)
I/O (O)
P73 (Memory Bank
Address 3)
Port 7, Bit 3 (Memory Bank Address 3)
Port 7, Bit 4 (Memory Bank Address 4)
Port 7, Bit 5 (Memory Bank Address 5)
32
31
P74 (Memory Bank
Address 4)
P75 (Memory Bank
Address 5)
54
55
30
29
X
X
I/O (O)
I/O (O)
P76 (R/W)
Port 7, Bit 6 (CPU read/write signal)
Port 7, Bit 7 (Power-Down Control)
P77 (Power-Down
Control)
56
57
58
59
60
61
62
63
64
65
66
67
68
28
27
26
–
X
X
X
X
X
X
X
X
X
X
X
X
X
I/O
I/O /I
I/O
I/O
I/O /I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
P80
Port 8, Bit 0
P81/INT
P82
Port 8, Bit 1 / Interrupt input
Port 8, Bit 2
P83
Port 8, Bit 3
25
24
23
22
21
20
19
18
17
P87/INT
P60
Port 8, Bit 7/Interrupt input
Port 6, Bit 0
P61
Port 6, Bit 1
P62
Port 6, Bit 2
P63
Port 6, Bit 3
P64
Port 6, Bit 4
P65
Port 6, Bit 5
P66
Port 6, Bit 6
P67
Port 6, Bit 7
2
8.7.1. DC Parameters I C Bus Master Interface
2
The input and output parameters of the I C bus interface
(Clock and Data) are designed according to the INTER-
METALL specification for Port and IM bus pins (the inter-
face can also be operated as IM bus interface). The dif-
ferences are:
2
Symbol
Meaning
INTERMETALL
I C Specification
U
U
U
Input Low Voltage
Input High Voltage
Output Low Voltage
max. 1 V
max. 1.5 V
IL
min. 2.8 V
0.4 V / 2 mA
min. 3 V
IH
OL
0.4 V / 3 mA
The INTERMETALL parameters are equivalent to soft-
2
wareI CbussolutionsusingPort-linesforthebus. Inap-
plications with series resistors in the clock or data line
these differences may become important.
MICRONAS INTERMETALL
73
MICRONAS [ MICRONAS ]
