Z86E61 Datasheet, PDF (6/44 Pages) Zilog, Inc. – CMOS Z8 16K/32K EPROM MICROCONTROLLER

PIN DESCRIPTION (Continued)
EPROM Mode
PRELIMINARY
Z86E61/E63 Z8^® MCU
WITH 16K/32K EPROM
6 5 4 3 2 1 44 43 42 41 40
/RESET ⁷
N/C ⁸
N/C ⁹
N/C 10
N/C 11
GND 12
EPM 13
A0 14
A1 15
A2 16
N/C 17
Z86E61/E63
PLCC
39 _N/C
38 A12
37 A11
36 A10
35 A9
34 A8
33 VPP
32 N/C
31 D7
30 D6
29 D5
18 19 20 21 22 23 24 25 26 27 28
Figure 5. 44-Pin PLCC Pin Configuration
EPROM Mode
Pin # Symbol
1
V_CC
2
XTAL2
3
XTAL1
4
N/C
5
6
7
8-11
/CE
N/C
/RESET
N/C
12
13
14-16
17
GND
EPM
A0-A2
N/C
Table 4. 44-Pin PLCC Pin Identification
Function
Direction
EPROM Mode
Pin # Symbol
Power Supply
Crystal, Osc. Clock
Crystal, Osc. Clock
Not Connected
Input
Input
Input
Input
18-22
23-27
28
29-31
A7-A3
D4-D0
N/C
D7-D5
Chip Enable
Not Connected
Reset
Not Connected
Input
Input
Input
Input
32
33
34-38
39
N/C
V
PP
A12-A8
N/C
Ground
EPROM Prog Mode
Address 0,1,2
Not Connected
Input
Input
Input
Input
40-41
42
43
44
A13-A14
/PGM
/OE
N/C
Function
Direction
Address 3,4,5,6,7
Data 0,1,2,3,4
Not Connected
Data 5,6,7
Input
In/Output
Input
In/Output
Not Connected
Prog Voltage
Address 8,9,10,11,12
Not Connected
Input
Input
Input
Input
Address 13, 14
Prog Mode
Output Enable
Not Connected
Input
Input
Input
Input
6