Z86C83/C84
Z8® MCU Microcontrollers
PIN DESCRIPTION (Continued)
Table 3. Z86C83 28-Pin PLCC Pin Identification
Table 4. Z86C84 28-Pin PLCC Pin Identification
No
Symbol
Function
Direction
No
Symbol
Function
Direction
1-8
P20-P27
Port 2, Bit 0-7
Input/Output
1-8
P20-P27
Port 2, Bit 0-7
Input/Output
or AC0-AC7 Analog In 0-7
or AC0-AC7 Analog In 0-7
9
/RESET
XTAL1
XTAL2
GND
Reset
Input
Input
Output
9
/RESET
XTAL1
XTAL2
GND
Reset
Input
Input
Output
10
11
12
13
Oscillator Clock
Oscillator Clock
Ground
10
11
12
13
Oscillator Clock
Oscillator Clock
Ground
VCC
Power
VCC
Power
14-16 P31-P33
Port 3, Bits 1-3
Port 3, Bit 4
Port 3, Bit 6
Port 3, Bit 5
Port 0, Bits 0-6
Analog Ground
Analog Power
Input
Output
Output
Output
14-16 P31-P33
Port 3, Bits 1-3
Port 3, Bit 4
Port 3, Bit 6
Port 3, Bit 5
Port 0, Bits 0-3
Input
Output
Output
Output
17
18
19
P34
P36
P35
17
18
19
P34
P36
P35
20-26 P00-P06
Input/Output
20-22 P00-P02
Input/Output
27
28
AGND
AVCC
23
24
VDLO
VDHI
D/A Ref. Volt,Low Input
D/A Ref. Volt.,High Input/Output
25-26 DAC2-DAC1 D/A Converter
Output
27
28
AGND
AVCC
Analog Ground
Analog Power
3
2
1
28 27 26
4
P24/AC4
5
6
25
24
23
22
P05
P04
P25/AC5
P26/AC6
3
2
1
28 27 26
4
P03
P02
P01
P00
P35
7
8
9
P24/AC4
5
6
25
24
23
22
DAC2
VDHI
Z86C83
PLCC
P27/AC7
/RESET
P25/AC5
P26/AC6
21
20
19
VDLO
P02
7
8
9
Z86C84
PLCC
10
11
XTAL1
XTAL2
P27/AC7
/RESET
21
20
19
P01
P00
10
11
XTAL1
XTAL2
12 13 14 15 16 17 18
P35
12 13 14 15 16 17 18
Figure 4. Z86C83 28-Pin PLCC Pin Configuration
Figure 5. Z86C84 28-Pin PLCC Pin Configuration
4
DS96DZ80203
ZILOG [ ZILOG, INC. ]
