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Z86C72 Datasheet, PDF (6/71 Pages) Zilog, Inc. – IR MICROCONTROLLER
◁
Z86C72/C92/L72/L92
IR Microcontroller
PIN DESCRIPTION (Continued)
40-Pin
DIP #
26
27
30
34
5
6
7
10
28
29
32
33
8
9
12
13
35
36
37
38
39
2
3
4
16
17
18
19
22
24
23
20
40
1
21
15
14
11
31
25
44-Pin
PLCC
40
41
44
5
17
18
19
22
42
43
3
4
20
21
25
26
6
7
8
9
10
14
15
16
29
30
31
32
36
38
37
33
11
13
35
28
27
23,24
1,2,34
39
12
44-Pin
QFP#
23
24
27
32
44
1
2
5
25
26
30
31
3
4
8
9
33
34
35
36
37
41
42
43
12
13
14
15
19
21
20
16
38
40
18
11
10
6,7
17,28,29
22
39
Zilog
Table 1. Pin Identification
Symbol
P00
P01
P02
P03
P04
P05
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
P31
P32
P33
P34
P35
P36
P37
/AS
/DS
R//W
/RESET
XTAL1
XTAL2
VDD
VSS
Pref1
R//RL
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
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input
Input
Input
Output
Output
Output
Output
Output
Output
Output
Input
Input
Output
Input
Input
Description
Port 0 is Nibble Programmable
Port 0 can be configured as A15-A8
external program ROM/DATA Address
Bus.
Port 0 can be configured as a
mouse/trackball input.
Port 1 is byte programmable
Port 1 can be configured as multiplexed
A7-A0/D7-D0 external program ROM
Address/Data Bus.
Port 2 pins are individually configurable
as input or output.
IRQ2/Modulator Input
IRQ0
IRQ1
T8 output
T16 output
T8/T16 output
Address Strobe
Data Strobe
Read/Write
Reset
Crystal, Oscillator Clock
Crystal, Oscillator Clock
Power Supply
Ground
Comparator 1 Reference
ROM/ROMless
6-6
PRELIMINARY
DS97LVO0900
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