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Z89169 Datasheet

  • Z89169

  • DTAD CONTROLLERS

  • 22頁(yè)

  • ZILOG   ZILOG

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Z
ILOG
Z89165/166/167/168/169
DTAD C
ONTROLLERS
C
USTOMER
P
ROCUREMENT
S
PECIFICATION
Z89165/167/169
AND
Z89166/168 (ROM
LESS
)
E
NHANCED
D
UAL
-P
ROCESSOR
DTAD C
ONTROLLERS
FEATURES
s
Part
Number
Z8 ROM
(KBytes)
Z8 RAM*
(KBytes)
236
236
236
236
236
Speed
(MHz)
20
20
24
24
24
s
s
25 Expanded Register Files
47 Input/Output Lines (Z89165)
31 Input/Output Lines (Z89166)
43 Input/Output Lines (Core Processor)
Six Vectored, Prioritized Z8 Interrupts with
Programmable Polarity
Three Vectored, Prioritized DSP Interrupts with
Programmable Polarity
Two Analog Comparators
Two Programmable Z8 8-Bit Counter/Timers,
Each with Two 6-Bit Programmable Prescaler
Watch-Dog Timer /Power-On Reset
On-Chip Oscillator that Accepts a Crystal,
Ceramic Resonator, LC, RC, or External Clock Drive
RAM and ROM Protect, Low-EMI Option
Z89165
24
Z89166
ROMless
Z89167
24
Z89168
ROMless
Z89169
32
*General-Purpose
s
s
Part
Number
Z89165
Z89166
Z89167
Z89168
Z89169
DSP ROM
(Words)
6K
6K
8K
8K
8K
DSP RAM
(Words)
512
512
512
512
512
Speed
(MHz)
20
20
24
24
24
s
s
s
s
s
s
s
68- and 84-Pin PLCC Packages
4.5- to 5.5-Volt Operating Range
Low-Power Consumption (200 mW Typical)
s
s
s
0擄C to +70擄C Temperature Range
GENERAL DESCRIPTION
Zilog's Digital Voice Processor Controller family
combines a Z8
廬
microcontroller and a DSP processor
on-chip for a cost-effective turnkey system in digital
telephone answering devices and other voice processing
applications.
The dual-processor architecture is loosely coupled by
mailbox registers and an interrupt system, enabling DSP or
Z8 programs to be directed by events in each other's
domain.
The Z8 microcontroller uses an expanded register file to
allow access to register-mapped peripheral and I/O
circuits for programming versatility.
The 16-bit DSP processor features a 24-bit ALU and
accumulator with single-cycle instructions, providing the
algorithm processing power necessary for telephone voice
quality.
The Z89165/166 devices offer a half-flash 8-bit A/D
converter with up to 128 kHz sample rate and a 10-bit
Pulse-Width modulator (PWM) D/A converter, eliminating
the need for an external CODEC.
The Z89167/168/169 devices feature a hardware ARAM
interface, as well as a dual-CODEC interface. A 10-bit
PWM D/A converter is also on-chip.
Notes:
All Signals with a preceding front slash, "/", are active Low, e.g.:
B//W (WORD is active Low); /B/W (BYTE is active Low, only).
Power connections follow conventional descriptions below:
Connection
Power
Ground
Circuit
V
CC
GND
Device
V
DD
V
SS
CP96TAD0103
1

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