參數(shù)資料
型號(hào): CCU3000
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
元件分類(lèi): 微控制器/微處理器
英文描述: Central Control Unit
中文描述: MICROCONTROLLER, PQCC68
封裝: PLASTIC, LCC-68
文件頁(yè)數(shù): 73/77頁(yè)
文件大小: 837K
代理商: CCU3000
CCU 3000, CCU 3000-I
CCU 3001, CCU 3001-I
MICRONAS INTERMETALL
73
Short Description
Pin Name
I:
Input
O:
Output
nection
Pin No.
Con-
64–pin
SDIP
68–pin
PLCC
51
33
X
I/O (O)
P73 (Memory Bank
Address 3)
Port 7, Bit 3 (Memory Bank Address 3)
52
32
X
I/O (O)
P74 (Memory Bank
Address 4)
Port 7, Bit 4 (Memory Bank Address 4)
53
31
X
I/O (O)
P75 (Memory Bank
Address 5)
Port 7, Bit 5 (Memory Bank Address 5)
54
30
X
I/O (O)
P76 (R/W)
Port 7, Bit 6 (CPU read/write signal)
55
29
X
I/O (O)
P77 (Power-Down
Control)
Port 7, Bit 7 (Power-Down Control)
56
28
X
I/O
P80
Port 8, Bit 0
57
27
X
I/O /I
P81/INT
Port 8, Bit 1 / Interrupt input
58
26
X
I/O
P82
Port 8, Bit 2
59
X
I/O
P83
Port 8, Bit 3
60
25
X
I/O /I
P87/INT
Port 8, Bit 7/Interrupt input
61
24
X
I/O
P60
Port 6, Bit 0
62
23
X
I/O
P61
Port 6, Bit 1
63
22
X
I/O
P62
Port 6, Bit 2
64
21
X
I/O
P63
Port 6, Bit 3
65
20
X
I/O
P64
Port 6, Bit 4
66
19
X
I/O
P65
Port 6, Bit 5
67
18
X
I/O
P66
Port 6, Bit 6
68
17
X
I/O
P67
Port 6, Bit 7
8.7.1. DC Parameters I
2
C Bus Master Interface
The input and output parameters of the I
2
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:
Symbol
Meaning
INTERMETALL
I
2
C Specification
U
IL
Input Low Voltage
max. 1 V
max. 1.5 V
U
IH
Input High Voltage
min. 2.8 V
min. 3 V
U
OL
Output Low Voltage
0.4 V / 2 mA
0.4 V / 3 mA
The INTERMETALL parameters are equivalent to soft-
ware I
2
C bus solutions using Port-lines for the bus. In ap-
plications with series resistors in the clock or data line
these differences may become important.
CCU 3000-I, CCU 3001-I
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