Z86E61 Datasheet, PDF (4/44 Pages) Zilog, Inc. – CMOS Z8 16K/32K EPROM MICROCONTROLLER

PIN DESCRIPTION (Continued)
Standard Mode
PRELIMINARY
Z86E61/E63 Z8^® MCU
WITH 16K/32K EPROM
6 5 4 3 2 1 44 43 42 41 40
/RESET 7
R//W 8
/DS 9
/AS 10
P35 11
GND 12
P32 13
P00 14
P01 15
P02 16
R//RL 17
Z86E61/E63
PLCC
39 _NC
38 P24
37 P23
36 P22
35 P21
34 P20
33 P33
32 P34
31 P17
30 P16
29 P15
18 19 20 21 22 23 24 25 26 27 28
Figure 3. 44-Pin PLCC Pin Configuration
Standard Mode
Pin # Symbol
1
V
CC
2
XTAL2
3
XTAL1
4
P37
5
P30
6
N/C
7
/RESET
8
R//W
9
/DS
10
/AS
11
P35
12
GND
13
P32
Table 2. 44-Pin PLCC Pin Identification
Function
Direction
Standard Mode
Pin # Symbol Function
Direction
Power Supply
Crystal, Osc. Clock
Crystal, Osc. Clock
Port 3, Pin 7
Port 3, Pin 0
Not Connected
Reset
Read/Write
Data Strobe
Address Strobe
Port 3, Pin 5
Ground
Port 3, Pin 2
Input
Output
Input
Output
Input
Input
Input
Output
Output
Output
Output
Input
Input
14-16
17
18-22
23-27
28
29-31
32
33
34-38
39
40-42
43
44
P02-P00
R//RL
P07-P03
P10-P14
N/C
P17-P15
P34
P33
P24-P20
N/C
P27-P25
P31
P36
Port 0, Pins 0,1,2
ROM/ROMless control
Port 0, Pins 3,4,5,6,7
Port 1, Pins 0,1,2,3,4
In/Output
Input
In/Output
In/Output
Not Connected
Port 1, Pins 5,6,7
Port 3, Pin 4
Port 3, Pin 3
Input
In/Output
Output
Input
Port 2, Pins 0,1,2,3,4
Not Connected
Port 2, Pins 5,6,7
Port 3, Pin 1
Port 3, Pin 6
In/Output
Input
In/Output
Input
Output
4