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參數(shù)資料
| 型號： | UPD70320L-8 |
| 廠商： | NEC Corp. |
| 英文描述： | V25TM 16/8-BIT SINGLE-CHIP MICROCONTROLLER |
| 中文描述： | V25TM 16/8-BIT單片機 |
| 文件頁數(shù)： | 1/74頁 |
| 文件大?。?/td> | 439K |
| 代理商： | UPD70320L-8 |
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1996
DATA SHEET
The
μ
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
μ
PD70320 is compatible with the 8/16-bit microprocessor
μ
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.
V25, V35
TM
User's Manual — Hardware
V25, V35 Family User's Manual — Instructions : U12120J (Japanese version)
: IEM-1220
FEATURES
Internal 16-bit architecture and external 8-bit data bus
Compatible with
μ
PD70108/70116 (in native mode) on software level (some instructions added)
Minimum instruction cycle : 400 ns/5 MHz (
μ
PD70320)
250 ns/8 MHz (
μ
PD70320-8)
On-chip RAM : 256 words
×
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
Programmable priority (8 levels)
Vectored interrupt function
Register bank switching function
Macro service function
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)
MOS INTEGRATED CIRCUIT
μ
PD70320
V25
TM
16/8-BIT SINGLE-CHIP MICROCONTROLLER
The information in this document is subject to change without notice.
The mark shows major revised points.
Document No. U10090EJ8V0DS00 (8th edition)
Date Published November 1997 N
Printed in Japan
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