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PDF Z89175 Data sheet ( Hoja de datos )

Número de pieza Z89175
Descripción Voice Processing Controllers
Fabricantes Zilog. 
Logotipo Zilog. Logotipo



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PRELIMINARY PRODUCT SPECIFICATION
1
Z89175
Z89176 (ROMLESS)
VOICE PROCESSING CONTROLLERS
1
2
FEATURES
Device
ROM
(KB)
RAM*
(Bytes)
Z89175
Z89176
24
-
256
256
Note: *General-Purpose
I/O
Lines
47
31
Voltage
Range
4.5V to 5.5V
4.5V to 5.5V
s Watch-Dog Timer and Power-On Reset
s Improved Low Power Stop Mode
s On-Chip Oscillator which Accepts a Crystal
or External Clock Drive
s Improved Global Power-Down Mode
s Low Power Consumption - 200 mW (typical)
s Two Comparators
s RAM and ROM Protect
s On-Board Oscillator for 32.768 kHz Real-Time Clock
s Clock Speeds of 20.48 or 29.49 MHz
s 16-Bit Digital Signal Processor (DSP)
s 8K Word DSP Program ROM
s 512 Words On-Chip DSP RAM
s 8-Bit A/D Converter with up to 16 kHz Sample Rate
s 10-Bit PWM D/A Converter
s Six Vectored, Prioritized Z8 Interrupts
s Three Vectored, Prioritized DSP Interrupts
s Two DSP Timers to Support Different A/D and D/A
Sampling Rates
s IBM® PC-Based Development Tools
s Developer’s Toolbox for T.A.M. Applications
GENERAL DESCRIPTION
The Z89175/176 is a fully integrated, dual processor con-
troller designed for voice processing applications. The I/O
control processor is a Z8® with 24 KB of program memory,
two 8-bit counter/timers, and up to 47 I/O pins. The DSP is
a 16-bit processor with a 24-bit ALU and accumulator,
512x16 bits of RAM, single cycle instructions, and 8K
words of program ROM. The chip also contains a half-flash
8-bit A/D converter with up to a 16 kHz sample rate and a
10-bit PWM D/A converter. The sampling rates for the con-
verters are programmable. The precision of the 8-bit A/D
can be extended by resampling the data at a lower rate in
software. The Z8 and DSP processors are coupled by
mailbox registers and an interrupt system. DSP or Z8 pro-
grams can be directed by events in each other’s domain.
The Z89176 is the ROMless version of the Z89175. How-
ever, the on-chip DSP is not ROMless.
Notes: All Signals with a preceding front slash, "/", are ac-
tive Low, e.g., B//W (WORD is active Low); /B/W (BYTE is
active Low, only).
Power connections follow conventional descriptions be-
low:
Connection
Power
Ground
Circuit
VCC
GND
Device
VDD
VSS
DS97TAD0100
PRELIMINARY
1

1 page




Z89175 pdf
Zilog
I/O Port
Symbol
GND
VCC
VREF+
ANVDD
PWM
RMLS
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
Z89175/Z89176
Voice Processing Controllers
Table 1. Z89175 100-Pin QFP Pin Identification
Pin
Number
3, 53, 88, 97
16, 47, 77
1
2
4
5
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
Direction
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
Function
Digital Ground
Digital VCC = +5V
Analog Voltage Ref+
Analog VDD
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
2
DS97TAD0100
PRELIMINARY
5

5 Page





Z89175 arduino
Zilog
I/O Port
Symbol
GND
VCC
VREF+
ANVDD
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
Z89175/Z89176
Voice Processing Controllers
Table 4. Z89176 100-Pin VQFP Pin Identification
Pin Number
1, 51, 86, 95
3, 14, 45, 75
99
100
2
4, 5
6
7
8
9
10-13
15
16
17, 18
19-22
23-25
26
27-34
35-42
43, 44
46-50
52
53
54-74
76, 77
78-85
87-94
96
97
98
Direction
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
Function
Digital Ground
Digital VCC = +5V
Analog Voltage Ref+
Analog VDD
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
2
DS97TAD0100
PRELIMINARY
11

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