Z89175 Zilog., Z89175 Datasheet - Page 5

• Manufacturer Part Number: Z89175
• Description: Voice Processing Controllers
• Manufacturer: Zilog.

Zilog
DS97TAD0100
P57-P54
P53-P52
P37-P34
P33-P31
P20-P27
P40-P47
P50-P51
P07-P00
P17-P10
Symbol
/RESET
ANGND
I/O Port
DSP1-0
VREF+
ANV
VREF-
XTAL2
XTAL1
RMLS
OSC1
OSC2
PWM
ANIN
GND
R//W
V
/DS
/AS
NC
NC
NC
NC
CC
DD
3, 53, 88, 97
16, 47, 77
Number
19, 20
45, 46
78, 79
12-15
21-24
25-27
29-36
37-44
48-52
56-76
80-87
89-96
6, 7
100
Pin
10
11
17
18
28
54
55
98
99
1
2
4
5
8
9
Table 1. Z89175 100-Pin QFP Pin Identification
Input/Output
Output
Input
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
Analog Voltage Ref+
Digital Ground
Digital V
Analog V
PWM Output
Control Input
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
Voice Processing Controllers
Function
Z89175/Z89176
5
2