Datasheet > AT89S8253

AT89S8253

更新时间： 2024-11-09 14:55:31

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
2页	51K
描述
Low-power, high-performance, CMOS 8-bit microcontroller with 12KB of ISP flash program memory and

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AT89S8253 数据手册

Errata Description

The following is a known problem in revision R and prior of the AT89S8253 in SPI

communication:

During a master-slave SPI communication, whenever the SS input pin of the

AT89S8253 acting as the slave device is pulled high during a transmission cycle, the

internal SPI bit counter of the (slave) AT89S8253 does not get reset. If SS goes high

during a data transfer, all subsequent data will be corrupted in the slave. If SS goes

high in between transfers, the data remains unaffected.

AT89

Microcontrollers

Workarounds:

1. Perform a hardware reset.

AT89S8253

Rev. R

2. Clear and then set the SPE bit in the SPCR register of the (slave)

AT89S8253.

Errata Sheet

3679A–MICRO–11/07

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型号	品牌	获取价格	描述	数据表
AT89S8253_07	ATMEL	获取价格	8-bit Microcontroller with 12K Bytes Flash and 2K Bytes EEPROM
AT89S8253_08	ATMEL	获取价格	8-bit Microcontroller with 12K Bytes Flash and 2K Bytes EEPROM
AT89S8253_09	ATMEL	获取价格	8-bit Microcontroller with 12K Bytes Flash
AT89S8253_10	ATMEL	获取价格	8-bit Microcontroller with 12 Kbyte Flash
AT89S8253-24AC	ATMEL	获取价格	8-bit Microcontroller with 12K Bytes Flash and 2K Bytes EEPROM
AT89S8253-24AI	ATMEL	获取价格	8-bit Microcontroller with 12K Bytes Flash and 2K Bytes EEPROM
AT89S8253-24AL	ATMEL	获取价格	暂无描述
AT89S8253-24AU	ATMEL	获取价格	8-bit Microcontroller with 12K Bytes Flash and 2K Bytes EEPROM
AT89S8253-24JC	ATMEL	获取价格	8-bit Microcontroller with 12K Bytes Flash and 2K Bytes EEPROM
AT89S8253-24JI	ATMEL	获取价格	8-bit Microcontroller with 12K Bytes Flash and 2K Bytes EEPROM