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Z0861705PSC Просмотр технического описания (PDF) - Zilog

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Z0861705PSC NMOS Z8 8-BIT MCU KEYBOARD CONTROLLER Zilog
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Z0861705PSC Datasheet PDF : 26 Pages
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PIN IDENTIFICATION
Z08617 NMOS Z8® 8-BIT MCU
KEYBOARD CONTROLLER
VCC
CLK Out
RC In
P37
P30
/RESET
*GND
*N/C
/WDTOUT
P35
GND
P32
P00
P01
P02
P03
P04
P05
P06
P07
1
40
P36
2
39
P31
3
38 P27
4
37
P26
5
36
P25
6
35
P24
7
34
P23
8
33
P22
9
32
P21
10 Z08617 31
P20
11
DIP
30
P33
12
29
P34
13
28
P17
14
27
P16
15
26
P15
16
25
P14
17
24
P13
18
23
P12
19
22
P11
20
21
P10
Note:
* Pin 8 is connected to the chip, although used only for testing.
This pin must float. Pin 7 is a test pin and must be grounded.
Figure 2. 40-Pin DIP Pin Configuration
Table 1. 40-Pin DIP Pin Identification
Pin #
1
2
3
4
5
6
*7
*8
9
10
Symbol Function
V
CC
CLK Out
RC In
P37
P30
Power Supply
Clock Out
Z8 Clock
Port 3, Pin 7
Port 3, Pin 0
/RESET Reset
GND
Ground
N/C
Not Connected
/WDTOUT Watch-Dog Timer
P35
Port 3, Pin 5
Direction
Input
Output
Input
Output
Input
Input
Output
Output
Pin # Symbol Function
Direction
11
12
13-20
21-28
29
GND
P32
P07-P00
P17-P10
P34
Ground
Port 3, Pin 2
Input
Port 0, Pins 0,1,2,3,4,5,6,7 In/Output
Port 1, Pins 0,1,2,3,4,5,6,7 In/Output
Port 3, Pin 4
Output
30 P33
Port 3, Pin 3
Input
31-38 P27-P20 Port 2, Pins 0,1,2,3,4,5,6,7 In/Output
34-38 P24-P20 Port 2, Pins 0, 1, 2, 3, 4 In/Output
39
P31
Port 3, Pin 1
Input
40
P36
Port 3, Pin 6
Output
3
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