产品资讯

UPD70325L-10

型号：UPD70325L-10
品牌：NEC

批号：13+
封装：PLCC
原价：70
数量：7510
PDF电子文档：

订购电话：86755-83294757
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备注：原装进口现货 New and original

详细描述

UPD70325L-10

V25+TM 16/8-BIT SINGLE-CHIP MICROCONTROLLER

FEATURES

Software compatible with V25

Software compatible with µPD70108/70116 (in native mode) (some instructions added)

Internal 16-bit architecture and external 8-bit data bus

3-stage pipeline method

Minimum instruction cycle : 250 ns/8 MHz (external 16 MHz)

: 200 ns/10 MHz (external 20 MHz)

Memory space 1 Mbyte

On-chip RAM : 256 words × 8 bits

Input port (port T) with comparator : 8 bits

I/O lines (input port : 4 bits, input/output ports : 20 bits)

Serial interface : 2 channels

Internal dedicated baud rate generator

Asynchronous mode and I/O interface mode

Interrupt controller

Programmable priority (8 levels)

3 types of interrupt response method

Vectored interrupt function, register bank switching function, macro service function

DRAM and pseudo SRAM refreshing function

DMA controller : 2 channels

4 types of DMA transfer mode

Transfer rate Maximum 4 Mbytes/second (when stop control is not executed by DMARQ pin in demand release

mode)

Maximum 2 Mbytes/second (when stop control is executed by DMARQ pin in demand release

mode, or burst mode)

Address pointer (linear) : 20 bits

Terminal counter : 16 bits

16-bit timer : 2 channels

Time base counter (20 bits) : 1 channel

On-chip clock generator

Programmable wait function

Standby function (STOP, HALT)

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