Z86C83/C84/E83
CMOS Z8
®
MCU Zilog
8-4 P R E L I M I N A R Y DS97DZ80700
PIN DESCRIPTION (Continued)
Figure 3. Z86C84 28-Pin DIP and SOIC Pin Configuration
P21/AC1
P22/AC2
P23/AC3
P24/AC4
P25/AC5
P26/AC6
P27/AC7
/RESET
XTAL1
XTAL2
GND
VCC
P31
P32
P20/AC0
AVCC
AGND
DAC1
DAC2
VDHI
VDLO
P02
P01
P00
P35
P36
P34
P33
28
Z86C84
DIP/SOIC
28 - Pin
1
Table 2. Z86C84 28-Pin DIP, SOIC, PLCC Pin Identification*
No Symbol Function Direction
1-7 P21-P27
or AC1-AC7
Port 2, Bit 1-7
Analog In 1-7
Input/Output
8 /RESET Reset Input
9 XTAL1 Oscillator Clock Input
10 XTAL2 Oscillator Clock Output
11 GND Ground
12 V
CC
Power
13-15 P31-P33 Port 3, Bits 1-3 Input
16 P34 Port 3, Bit 4 Output
17 P36 Port 3, Bit 6 Output
18 P35 Port 3, Bit 5 Output
19-21 P00-P02 Port 0, Bits 0-3 Input/Output
22 VDLO D/A Ref. Volt.,Low Input
23 VDHI D/A Ref. Volt.,High Input
24-25 DAC2-1 D/A Converter Output
26 A
GND
Analog Ground
27 AV
CC
Analog Power
28 P20
or AC0
Port 2, Bit 0
Analog In 0
Input/Output
Note: * DIP, PLCC and SOIC Pin Description and Configuration are identical
