Z89175 Zilog., Z89175 Datasheet - Page 3

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

Zilog
PIN DESCRIPTION
DS97TAD0100
Programmable)
Programmable)
Programmable)
Address/Data
Address
(Nibble
or I/O
or I/O
(Byte
(Bit
I/O
/RESET
XTAL1
XTAL2
RMLS
OSC1
OSC2
R/W
P00
P01
P02
P03
P04
P05
P06
P07
P10
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
GND
/DS
VDD
P11
/AS
Memory
32 kHz
Control
OSC
Port 0
Port 1
Port 2
Power
Ext.
OSC
Figure 1. Z89175/176 Functional Block Diagram
Capture Reg.
Timer 0
Register Bus
24 Kbytes
8K Words
(Z89175)
Program
Program
Timer 2
ROM
ROM
mailbox
Expanded Register
Peripheral
P R E L I M I N A R Y
Register
(DSP)
(Z8)
File
Internal Address Bus
Internal Data Bus
Internal Address Bus
Internal Data Bus
Timer 3
Timer 1
INT 1
INT 2
Extended Bus of the DSP
256 Word
RAM 0
Extended Bus of the DSP
Register File
DSP Core
256 x 8 Bit
Z8 Core
256 Word
RAM 1
Expanded
Register Bus
Voice Processing Controllers
DSP Port
(10-Bit)
Port 3
Port 4
Port 5
(8-Bit)
PWM
ADC
P31
P32
P33
PWM
P34
P35
P36
P37
P40
P41
P42
P43
P44
P45
P46
P47
P50
P51
P52
P53
P54
P55
P56
P57
DSP0
DSP1
AN IN
AN VDD
AN GND
VREF+
VREF-
Z89175/Z89176
Output
Programmable)
Input
Programmable)
(Bit
I/O
I/O
(Bit
3
2