Datasheet > AT89S4D12

AT89S4D12

更新时间： 2024-11-23 22:26:15

品牌	Logo	应用领域
爱特美尔 - ATMEL		闪存存储微控制器
页数	文件大小	规格书
13页	123K
描述
8-Bit Microcontroller with 132K Bytes Flash Data Memory

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中文翻译

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数据手册

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AT89S4D12 数据手册

AT89S4D12

Features

• Compatible with MCS-51^™Products

• 128K Bytes of In-System Reprogrammable Flash data memory and 4K Bytes of

Downloadable Flash Program Memory

– Endurance: 1,000 Write/Erase Cycles per Sector

– Data Retention: 10 Years

• Sector Programming: 128 Bytes/Sector

• Single 3.3V ± 10% Supply

• On-Chip 12 MHz oscillator

• Two-Level Program Memory Lock

• 256-Bytes Internal RAM

• 5 Programmable I/O Lines

• Serial Peripheral Interface (SPI) Channel

• Serial Program Downloading

• Dual Data Pointer Registers

8-Bit

Microcontroller

with

Description

132K Bytes

Flash Data

Memory

The AT89S4D12 is a low-voltage, highly integrated CMOS 8-bit microcomputer with

4K bytes of downloadable Flash program memory and 128K bytes of in-system repro-

grammable Flash data memory. The device is manufactured using Atmel’s high den-

sity Flash memory technology and is compatible with the industry-standard MCS-51^™

instruction set.

The 128K bytes of on-chip Flash data memory are accessed as two 64K byte blocks.

Bit 0 at SFR location 96H is used to select the active block. The MOVX instruction is

used to read and write the data memory. Both the program and data memory arrays

can be programmed by an external programmer.

AT89S4D12

The downloadable Flash can be changed one page (128 bytes) at a time and is

accessible through the SPI serial peripheral interface port. Holding RESET active

forces the SPI bus into a slave input mode and allows the program memory to be writ-

ten-from or read-to unless Lock Bit 2 has been activated.

The functional operations of the 128K bytes Flash data memory are equivalent to

those on the AT29LV010A 1M Bit Flash memory device.

Pin Configurations

SOIC Top View

PLCC Top View

GND

TEST1

RESET

SDI/P1.1

SDO/P1.0

TEST2

VCC

P1.2/DTR

P1.3/SCK

P1.4/DSR

P1.0/SDO

TEST2

29 P1.4/DSR

28 NC

27 NC

26 NC

25 NC

24 NC

23 NC

22 NC

21 NC

NC 10

NC 11

NC 12

NC 13

0921A-A–12/97

4-281

12 3 4 5 6 7...13

中文翻译

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与AT89S4D12相关器件

型号	品牌	获取价格	描述	数据表
AT89S4D12-12JC	ATMEL	获取价格	8-Bit Microcontroller with 132K Bytes Flash Data Memory
AT89S4D12-12JI	ATMEL	获取价格	8-Bit Microcontroller with 132K Bytes Flash Data Memory
AT89S4D12-12RC	ATMEL	获取价格	8-Bit Microcontroller with 132K Bytes Flash Data Memory
AT89S4D12-12RI	ATMEL	获取价格	8-Bit Microcontroller with 132K Bytes Flash Data Memory
AT89S51	ATMEL	获取价格	8-bit Microcontroller with 4K Bytes In-System Programmable Flash
AT89S51	MICROCHIP	获取价格	Low-power, high-performance CMOS 8-bit microcontroller with 4KB of ISP flash memory. The d
AT89S51_05	ATMEL	获取价格	8-bit Microcontroller with 4K Bytes In-System Programmable Flash
AT89S51_08	ATMEL	获取价格	8-bit Microcontroller with 4K Bytes In-System Programmable Flash
AT89S51-24	ATMEL	获取价格	8-bit Microcontroller with 4K Bytes In-System Programmable Flash
AT89S51-24AC	ATMEL	获取价格	8-bit Microcontroller with 4K Bytes In-System Programmable Flash

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