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Z89323 Datasheet, PDF (5/61 Pages) Zilog, Inc. – 16-BIT DIGITAL SIGNAL PROCESSORS
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PRELIMINARY
Z89323/373/393
16-BIT DIGITAL SIGNAL PROCESSORS
Table 2. 68-Pin PLCC Z89323/373 Pin Description
No. Symbol
1 P12/SIN
2 P20/INT0
3 EXT12/P012
4 EXT13/P013
5 VDD
6 EXT14/P014
7V
SS
8 EXT15/P015
9 NC
10 NC
11 EXT3/P03
12 EXT4/P04
13 V
SS
14 V
DD
15 EXT5/P05
16 P13/SOUT
17 EXT6/P06
18 P14/SS
19 EXT7/P07
20 P15/SK
21 P27
22 EXT8/P08
23 EXT9/P09
24 VSS
25 EXT10/P010
26 V
SS
27 EXT11/P011
28 VDD
29 VAHI
30 V
SS
31 P16/UI0
32 VALO
33 P17/UI1
34 ANGND
Function
Port 1 2/Serial Input
Port 2 0/Interrupt 0
Ext Data 12/Port 0 12
Ext Data 13/Port 0 13
Power
Ext Data 14/Port 0 14
Ground
Ext Data 15/Port 0 15
No Connection
No Connection
Ext Data 3/Port 0 3
Ext Data 4/Port 0 4
Ground
Power
Ext Data 5/Port 0 5
Port 1 3/Serial Output
Ext Data 6/Port 0 6
Port 1 4/Serial Select
Ext Data 7/Port 0 7
Port 1 5/Serial Clock
Port 2 7
Ext Data 8/Port 0 8
Ext Data 9/Port 0 9
Ground
Ext Data 10/Port 0 10
Ground
Ext Data 11/Port 0 11
Power
Analog High Ref.
Ground
Port 1 6/User Input 0
Analog Low Ref.
Port 1 7/User Input 1
Analog Ground
Direction
In/Output
In/Output
In/Output
In/Output
In/Output
In/Output
In/Output
In/Output
In/Output
In/Output
In/Output
In/Output
In/Output
In/Output
In/Output
In/Output
In/Output
In/Output
In/Output
Input
In/Output
Input
In/Output
Input
No. Symbol
Function
35 AN0
36 AN1
37 AN2
38 AN3
39 VSS
40 P21/INT1
41 ANVCC
42 VDD
43 RD//WR
44 HALT
A/D Input 0
A/D Input 1
A/D Input 2
A/D Input 3
Ground
Port 2 1/Interrupt 1
Analog Power
Power
R/W External Bus
Halt Execution
45 EA0
46 EA1
47 EA2
48 NC
49 V
DD
50 P23/UO1
51 /DS
52 P24/UO2
53 CLKI
54 CLKO
Ext Address 0
Ext Address 1
Ext Address 2
No Connection
Power
Port 2 3/User Output 1
Ext Data Strobe
Port 2 4/User Output 2
Clock/Crystal In
Clock/Crystal Out
55 P26
56 P22/UO0
57 P25/UI2
58 WAIT
Port 2 6
Port 2 2/User Output 0
Port 2 5/User Input 2
Wait for Ext
59 /RES
60 V
SS
61 V
DD
62 VSS
63 EXT0/P00
Reset
Ground
Power
Ground
Ext Data 0/Port 0 0
64 EXT1/P01
Ext Data 1/Port 0 1
65 EXT2/P02
Ext Data 2/Port 0 2
66 P10/INT2
Port 1 0/Interrupt 2
67 V
Ground
SS
68 P11/CLKOUT Port11/ClockOutput
Direction
Input
Input
Input
Input
In/Output
Input
Input
Output
Input
Output
Output
Output
In/Output
Output
In/Output
Input
Input
In/Output
In/Output
In/Output
Input
Input
In/Output
In/Output
In/Output
In/Output
In/Output
DS95DSP0101 Q4/95
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