z89176 ZiLOG Semiconductor, z89176 Datasheet - Page 9

• Manufacturer Part Number: z89176
• Description: Voice Processing Controllers
• Manufacturer: ZiLOG Semiconductor

Zilog
GND
V
VREF+
ANV
PWM
DSP1-0
/AS
/DS
R//W
NC
P57-P54
XTAL2
XTAL1
P53-P52
P37-P34
P33-P31
/RESET
P20-P27
P40-P47
P50-P51
NC
OSC1
OSC2
NC
NC
P07-P00
P17-P10
ANGND
VREF-
ANIN
DS97TAD0100
CC
DD
I/O Port
Symbol
3, 53, 88, 97
5, 16, 47, 77
1
2
4
6, 7
8
9
10
11
12-15
17
18
19, 20
21-24
25-27
28
29-36
37-44
45, 46
48-52
54
55
56-76
78-79
80-87
89-96
98
99
100
Pin Number
Table 3. Z89176 100-Pin QFP Pin Identification
Input/Output
Output
Output
Output
Output
Output
Input/Output
Output
Input
Input/Output
Output
Input
Input/Output
Input/Output
Input/Output
Input/Output
Input
Output
Input/Output
Input/Output
Input
Input
P R E L I M I N A R Y
Direction
Digital Ground
Digital V
Analog Voltage Ref+
Analog V
PWM Output
DSP User Output 1, 0
Address Strobe
Data Strobe
Read/Write
No Connection
Port 5 Bit 7-4
Crystal Output (20.48 or 29.49 MHz)
Crystal Input (20.48 or 29.49 MHz)
Port 5 Bit 3-2
Port 3 Bit 7-4
Port 3 Bit 3-1
Reset
Port 2, Bit 0-7
Port 4, Bit 0-7
Port 5, Bit 0-1
No Connection
Crystal Input (32.768 kHz)
Crystal Output (32.768 kHz)
No Connection
No Connection
Port 0, Bit 7-0
Port 1, Bit 7-0
Analog GND
Analog Voltage Ref-
Analog Input
CC
DD
= +5V
Function
Voice Processing Controllers
Z89175/Z89176
9
2