Z86D86 Datasheet, PDF (13/80 Pages) Zilog, Inc. – 28-Pin Low-Voltage OTP Microcontroller

Z86D86
28-Pin Low-Voltage OTP Microcontroller
5
Pin Description
Figure 3 shows the pin assignment for the 28-pin dual in-line package (DIP)/small
outline integrated circuit (SOIC). Table 2 identifies the pins.
P25 1
P26
P27
P04
P05
P06
P07
V_DD
XTAL2
XTAL1
P31
P32
P33
P34 ¹⁴
Z86D86
DIP/SOIC
28 P24
P23
P22
P21
P20
P03
V_SS
P02
P01
P00
Pref1
P36
P37
15 _P35
Figure 3. 28-Pin DIP/SOIC Pin Assignment
Table 2. 28-Pin DIP and SOIC Pin Identification
28-Pin DIP and SOIC Standard Mode
19
P00
20
P01
21
P02
23
P03
4
P04
5
P05
6
P06
7
P07
24
P20
25
P21
26
P22
27
P23
28
P24
1
P25
2
P26
3
P27
Direction
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Description
Port 0 is nibble programmable.
Port 0–3 can be configured as a
mouse/trackball input.
Port 2 pins are individually
configurable as input or output.
PS008905-0105
PRELIMINARY