z86e72 ZiLOG Semiconductor, z86e72 Datasheet - Page 15

• Manufacturer Part Number: z86e72
• Description: Otp Microcontroller
• Manufacturer: ZiLOG Semiconductor

PS008704-0507
40-Pin DIP # 44-Pin PLCC # 44-Pin LQFP # Symbol
NC
14
11
31
25
Table 3. Pin Identification (Standard Mode) (Continued)
Table 4. Z86E72/73 40-Pin DIP Identification—EPROM Mode
40-Pin #
1
2–3
4
5–7
8–9
10
11
12–13
14–15
16
17
18
19–24
25
26–27
28–29
30
31
32–33
1, 2, 34
23, 24
27
39
12
A13–14
A4–A6
D4–D5
A7
D6–D7
N/C
/OE
EPM
N/C
/CE
A0–A1
D0–D1
A2
D2–D3
Symbol
N/C
/PGM
V
V
V
DD
PP
SS
17, 28, 29
6, 7
10
22
39
Function
Not Connected
Address 13, 14
Program Mode
Address 4, 5, 6
Data 4, 5
Address 7
Power Supply
Data 6, 7
Not Connected
Output Enable
EPROM Prog. Mode
Prog. Voltage
Not Connected
Chip Enable
Address 0, 1
Data 0, 1
Address 2
Ground
Data 2, 3
XTAL2
R//RL
Pref1
V
V
DD
SS
Direction
Output
Input
Input
Crystal, Oscillator Clock
Power Supply
Ground
Comparator 1 Reference
ROM//ROMless
Direction
Input
Input
Input
Input/Output
Input
Input/Output
Input
Input
Input
Input
Input
Input/Output
Input
Input/Output
OTP Microcontroller
Description
11