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Z89391 데이터시트 PDF




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부품번호 Z89391 기능
기능 16-Bit Digital Signal Processors
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Z89391 데이터시트, 핀배열, 회로
PRELIMINARY PRODUCT SPECIFICATION
1
Z89321/371/391
1
16-BIT DIGITAL SIGNAL PROCESSORS
FEATURES
DSP ROM
Device
(KW)
Z89321
Z89371
Z89391
4
64*
Note: *External
OTP
(KW)
4
DSP RAM
Lines
512
512
512
MIPS
(Max)
24
16
24
s 0°C to +70°C Standard Temperature Range
-40°C to +85°C Extended Temperature Range
s 4.5- to 5.5-Volt Operating Range
DSP Core
s 24 MIPS @ 24 MHz Maximum, 16-Bit Fixed Point DSP
s 41.7 ns Minimum Instruction Cycle Time
s Six-Level Hardware Stack
s Six Register Address Pointers
s Optimized Instruction Set (30 Instructions)
Device
40-Pin 44-Pin
DIP PLCC
Z89321
Z89371
Z89391
X
X
X
X
Note: *General-Purpose
44-Pin
QFP
X
X
84-Pin
PLCC
X
On-Board Peripherals
s Dual 8/16-Bit CODEC Interface Capable of up to
10 Mbps
s m-Law Compression Option
(Decompression is Performed in Software)
s 16-Bit I/O Bus (Tri-Stated)
s Three I/O Address Pins (Latched Outputs)
s Wait-State Generator
s Three Vectored Interrupts
s 13-Bit General-Purpose Timer
GENERAL DESCRIPTION
The Z893XX products are high-performance Digital Signal
Processors (DSPs) with a modified Harvard-type architec-
ture featuring separate program and data memory. The de-
sign has been optimized for processing power while mini-
mizing silicon space.
The single-cycle instruction execution and bus structure
promotes efficient algorithm execution, while the six regis-
ter pointers provide circular buffering capabilities and dual
operand fetching.
Three vectored interrupts are complemented by a six-level
stack, and the CODEC interface allows high-speed trans-
fer rates to accommodate digital audio and voice data.
A dedicated Counter/Timer provides the necessary timing
signals for the CODEC interface, and an additional 13-bit
timer is available for general-purpose use.
DS97DSP0100
PRELIMINARY
1




Z89391 pdf, 반도체, 판매, 대치품
Z89321/371/391
16-Bit Digital Signal Processors
PIN DESCRIPTION (Continued)
VSS
EXT0
EXT1
EXT2
VSS
RXD
EXT12
EXT13
EXT14
VSS
EXT15
6
7
17
18
1
PLCC 44 -Pin
40
39 EA0
/RESET
WAIT
RD//WR
VDD
SCLK
UI0
UI1
INT1
INT2
29 EXT11
28
Figure 3. Z89321/371 44-Pin PLCC Pin Assignments
Zilog
4
PRELIMINARY
DS97DSP0100

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Z89391 전자부품, 판매, 대치품
Zilog
Z89321/371/391
16-Bit Digital Signal Processors
Table 3. Z89321/371 44-Pin QFP Pin IdentiÞcation
No. Symbol
Function
1-2
3
4-6
7
8-9
10
11-12
13
14
15
16
17
18
19
20
21
22-24
25
26
27
28
29
30
31-32
33
34
35-37
38
39
40-42
43
44
EXT3-EXT4
VSS
EXT5-EXT7
TXD
EXT8-EXT9
VSS
EXT10-EXT1
/INT2
/INT1
UI1
UI0
SCLK
VDD
RD//WR
WAIT
/RESET
EA0-EA2
VDD
/DS
CLK
HALT
FS0
/INT0
UO0-UO1
FS1
VSS
EXT0-EXT2
VSS
RXD
EXT12-EXT14
VSS
EXT15
External data bus
Ground
External data bus
Serial output to CODECs
External data bus
Ground
External data bus
Interrupt
Interrupt
User input
User input
CODEC serial clock
Power supply
RD//WR strobe EXT bus
WAIT state
Reset
External address bus
Power supply
Data strobe for external bus
Clock
Stop execution
CODEC 0 frame sync
Interrupt
User output
CODEC 1 frame sync
Ground
External data bus
Ground
Serial input to CODECs
External data bus
Ground
External data bus
Note: *Input or output is defined by interface mode selection.
Direction
Input/Output
Input/Output
Output
Input/Output
Input/Output
Input
Input
Input
Input
Input/Output*
Input
Output
Input
Input
Output
Input
Output
Input
Input
Input/Output*
Input
Output
Input/Output*
Input/Output
Input
Input/Output
Input/Output
1
DS97DSP0100
PRELIMINARY
7

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16-BIT DIGITAL SIGNAL PROCESSOR

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