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UPD70320GJ-5BG Datasheet

  • UPD70320GJ-5BG

  • V25TM 16/8-BIT SINGLE-CHIP MICROCONTROLLER

  • 74頁

  • NEC   NEC

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DATA SHEET
MOS INTEGRATED CIRCUIT
碌
PD70320
V25
TM
16/8-BIT SINGLE-CHIP MICROCONTROLLER
The
碌
PD70320 (V25) is a single-chip microcontroller on which 16-bit CPU, RAM, serial interface, timer, DMA
controller, interrupt controller, etc. are all integrated. The
碌
PD70320 is compatible with the 8/16-bit microprocessor
碌
PD70108/ 70116 (V20
TM
/V30
TM
) on the software level.
The details of the functions are described in the following User's Manuals. Be sure to read it before starting
design.
鈥?V25, V35
TM
User's Manual 鈥?Hardware
: IEM-1220
鈥?V25, V35 Family User's Manual 鈥?Instructions : U12120J (Japanese version)
FEATURES
鈥?/div>
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Internal 16-bit architecture and external 8-bit data bus
Compatible with
碌
PD70108/ 70116 (in native mode) on software level (some instructions added)
Minimum instruction cycle : 400 ns/5 MHz (
碌
PD70320)
250 ns/8 MHz (
碌
PD70320-8)
On-chip RAM : 256 words
脳
8 bits
Input port (port T) with comparator : 8 bits
I/O lines (input port : 4 bits, input/output port : 20 bits)
Serial interface (internal dedicated baud rate generator) : 2 channels
Asynchronous mode and I/O interface mode
Interrupt controller
鈥?Programmable priority (8 levels)
鈥?Vectored interrupt function
鈥?Register bank switching function
鈥?Macro service function
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鈥?/div>
鈥?/div>
鈥?/div>
DRAM and pseudo SRAM refreshing functions
DMA controller : 2 channels
16-bit timer : 2 channels
Time base counter
On-chip clock generator
Programmable wait function
Standby function (STOP/HALT)
The information in this document is subject to change without notice.
Document No. U10090EJ8V0DS00 (8th edition)
Date Published November 1997 N
Printed in Japan
The mark
shows major revised points.
漏
1996
1995

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