Z8927320VSC Datasheet, PDF (7/60 Pages) Zilog, Inc. – 16-BIT DIGITAL SIGNAL PROCESSORS WITH A/D CONVERTER

ZiLOG
Z89223/273/323/373
16-Bit Digital Signal Processors with A/D Converter
Table 1. 44-Pin PLCC Z89223/273 Pin Description
No Symbol
1 P2.0/INT0
2 ED12/P0.12
3 ED13/P0.13
4 ED14/P0.14
5 V_SS
6 ED15/P0.15
7 ED3/P0.3
8 ED4/P0.4
9 V_SS
10 ED5/P0.5
11 ED6/P0.6
12 ED7/P0.7
13 ED8/P0.8
14 ED9/P0.9
15 V_SS
16 ED10/P0.10
17 ED11/P0.11
18 VAHI
19 VALO
20 AGND
21 AN0
22 AN1
Function
Port 2.0/Interrupt 0
External Data Bus/Port0
External Data Bus/Port0
External Data Bus/Port0
Ground
External Data Bus/Port0
External Data Bus/Port0
External Data Bus/Port0
Ground
External Data Bus/Port0
External Data Bus/Port0
External Data Bus/Port0
External Data Bus/Port0
External Data Bus/Port0
Ground
External Data Bus/Port0
External Data Bus/Port0
Analog High Ref. Voltage
Analog Low Ref. Voltage
Analog Ground
A/D Input 0
A/D Input 1
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
Input
Input
Input
No Symbol
23 AN2
24 AN3
25 P2.1/INT1
26 AV_CC
27 V_DD
28 RD/WR
29 EA0
30 EA1
31 EA2
32 P2.3/TMO1
33 DS
34 P2.4/WAIT
35 CLKI
36 CLKO
37 P2.2/TMO0
38 LPF
39 RESET
40 V_DD
41 ED0/P0.0
42 ED1/P0.1
43 ED2/P0.2
44 V_SS
Function
A/D Input 2
A/D Input 3
Port 2.1/Interrupt 1
Analog Power
Power Supply
R/W External Bus
Ext Address 0
Ext Address 1
Ext Address 2
Port 2.3/Timer Output 1
Ext Data Strobe
Port 2.4/Wait for ED
Clock/Crystal In
Clock/Crystal Out
Port 2.2/Timer Output 0
PLL Low Pass Filter
Reset
Power
External Data Bus/Port0
External Data Bus/Port0
External Data Bus/Port0
Ground
Direction
Input
Input
Input/Output
Output
Output
Output
Output
Input/Output
Output
Input/Output
Input
Output
Input/Output
Input
Input
Input/Output
Input/Output
Input/Output
DS000202-DSP0599
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