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PDF Z89320 Data sheet ( Hoja de datos )
| Número de pieza | Z89320 | |
| Descripción | 16-BIT DSP DIGITAL SIGNAL PROCESSOR | |
| Fabricantes | Zilog. | |
| Logotipo |  |
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PRELIMINARY
CUSTOMER PROCUREMENT SPECIFICATION
GENERAL DESCRIPTION
The Z89320 is a second generation, 16-bit fractional, two’s
complement CMOS Digital Signal Processor (DSP). Most
instructions, including multiply and accumulate, are
accomplished in a single clock cycle. The processor
contains 1Kbyte of on-chip data RAM (two blocks of 256
16-bit words), 4K words of program ROM. Also, the
processor features a 24-bit ALU, a 16x16 multiplier, a 24-
bit Accumulator and a shifter. Additionally, the processor
contains a six-level stack, three vectored interrupts and
two inputs for conditional program jumps. Each RAM block
contains a set of three pointers which may be incremented
or decremented automatically to affect hardware looping
without software overhead. The data RAMs can be
simultaneously addressed and loaded to the multiplier for
a true single cycle multiply.
The device includes a 16-bit I/O bus for transferring data
or for mapping peripherals into the processor address
space. Additionally, there are two general purpose user
inputs and two user outputs. Operation with slow peripherals
is accompished with a ready input pin.
Z89320
16-BIT DSP DIGITAL
SIGNAL PROCESSOR
Development tools for the IBM PC include a relocatable
assembler, a linker loader, and an ANSI-C compiler. Also,
the development tools include a simulator/debugger, a
cross assembler for the TMS320 family assembly code
and a hardware emulator.
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
VSS
DC-4128-00 (12-2-92)
1
1 page  
ABSOLUTE MAXIMUM RATINGS
Storage temperature range
Lead temperature (if packaged)
VDD Voltage to VSS
All other pins
-65°C to +150°C
300°C for 10 sec.
-0.5 to 7.0V
VDD+0.5V to VSS-0.5V
Stresses greater than those listed under Absolute Maximum
Ratings may cause permanent damage to the device. This
is a stress rating only; operation of the device at any
condition above those indicated in the operational sections
of these specifications is not implied. Exposure to absolute
maximum rating conditions for extended period may affect
device reliability.
STANDARD TEST CONDITIONS
The characteristics listed below apply for standard test
conditions as noted. All voltages are referenced to ground.
Positive current flows into the referenced pin (Test Load
Diagram).
From Output
Under Test
150 pF
+5V
2.1 K Ω
9.1 K Ω
Test Load Diagram
DC ELECTRICAL CHARACTERISTICS
(VDD= 5V ± 5%, TA = 0°C to +70°C unless otherwise specified)
Symbol
I
DD
IDC
VIH
VIL
IL
VOH
VOL
I
FL
Parameter
Supply Current
DC Power Consumption
Input High Level
Input Low Level
Input Leakage
Output High Voltage
Output Low Voltage
Output Floating Leakage Current
Condition
V =5.25V
DD
fclock=10 MHz
VDD=5.25V
IOH=-100 µA
IOL=0.5 mA
Min.
1 mA
0.9 VDD
VDD-0.2
Max.
40
5
0.1 VDD
1
0.5
5
Units
mA
mA
V
V
µA
V
V
µA
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet Z89320.PDF ] | |
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