Z86E61 Datasheet, PDF (3/44 Pages) Zilog, Inc. – CMOS Z8 16K/32K EPROM MICROCONTROLLER

PIN DESCRIPTION
Standard Mode
VCC
XTAL2
XTAL1
P37
P30
/RESET
R//W
/DS
/AS
P35
GND
P32
P00
P01
P02
P03
P04
P05
P06
P07
1
40
2
39
3
38
4
37
5
36
6
35
7
34
8
33
9
32
10 Z86E61 31
/E63
11 _DIP 30
12
29
13
28
14
27
15
26
16
25
17
24
18
23
19
22
20
21
PRELIMINARY
Z86E61/E63 Z8^® MCU
WITH 16K/32K EPROM
Table 1. 40-Pin DIP Pin Identification
P36
P31
Standard Mode
Pin # Symbol Function
Direction
P27
P26
1
V_CC
Power Supply
Input
2
XTAL2 Crystal, Oscillator Clock Output
P25
3
XTAL1 Crystal, Oscillator Clock
Input
P24
4
P37
Port 3, Pin 7
5
P30
Port 3, Pin 0
Output
Input
P23
6
/RESET Reset
P22
7
R//W
Read/Write
Input
Output
P21
8
/DS
Data Strobe
Output
P20
9
/AS
Address Strobe
Output
10 P35
Port 3, Pin 5
Output
P33
P34
11 GND Ground
12 P32
Port 3, Pin 2
Input
Input
P17
13-20 P07-P00 Port 0, Pins 0,1,2,3,4,5,6,7 In/Output
P16
21-28 P17-P10 Port 1, Pins 0,1,2,3,4,5,6,7 In/Output
29 P34
Port 3, Pin 4
Output
P15
P14
30 P33
Port 3, Pin 3
Input
31-38 P27-P20 Port 2, Pins 0,1,2,3,4,5,6,7 In/Output
P13
39 P31
Port 3, Pin 1
Input
P12
40 P36
Port 3, Pin 6
Output
P11
P10
Figure 2. 40-Pin DIP Pin Configuration
3