Z89223 Datasheet, PDF (9/60 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 2. 44-Pin PQFP Z89223/273 Pin Description
No Symbol
1 ED3/P0.3
2 ED4/P0.4
3 V_SS
4 ED5/P0.5
5 ED6/P0.6
6 ED7/P0.7
7 ED8/P0.8
8 ED9/P0.9
9 V_SS
10 ED10/P0.10
11 ED11/P0.11
12 VAHI
13 VALO
14 AGND
15 AN0
16 AN1
17 AN2
18 AN3
19 P2.1/INT1
20 AV_CC
21 V_DD
22 RD/WR
Function
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
A/D Input 2
A/D Input 3
Port 2.1/Interrupt 1
Analog Power
Power
R/W Exteral Output Bus
Direction
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input
Input
Input
Input
Input
Input
Input/Output
No Symbol
23 EA0
24 EA1
25 EA2
26 P2.3/TMO1
27 DS
28 P2.4/WAIT
29 CLKI
30 CLKO
31 P2.2/TMO0
32 LPF
33 RESET
34 V_DD
35 ED0/P0.0
36 ED1/P0.1
37 ED2/P0.2
38 V_SS
39 P2.0/INT0
40 ED12/P0.12
41 ED13/P0.13
42 ED14/P0.14
43 V_SS
44 ED15/P0.15
Function
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 Supply
External Data Bus/Port0
External Data Bus/Port0
External Data Bus/Port0
Ground
Port 2.0/Interrupt 0
External Data Bus/Port0
External Data Bus/Port0
External Data Bus/Port0
Ground
External Data Bus/Port0
Direction
Output
Output
Output
Input/Output
Output
Input/Output
Input
Output
Input/Output
Input
Input
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
DS000202-DSP0599
9