ATAM894P

更新时间： 2024-11-21 03:19:39

品牌	Logo	应用领域
爱特美尔 - ATMEL		微控制器
页数	文件大小	规格书
3页	44K
描述
MARC4 4-bit Microcontrollers

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数据手册

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ATAM894P 数据手册

DI Errata

• ATAM893S

• ATAM894P

• ATAR092P

• ATAR892P

• ATAR090H

• ATAR890H

• ATAR080F

• ATA6020N

• ATAR510F

• ATAR862N3/N4/N8

MARC4 4-bit

Microcontrollers

ATAM893S

ATAM894P

ATAR092/892P

ATAR090/890H

ATAR080F

The latest product enhancement (PCN HC030703 DI enhancement) introduced to all

MARC4 products during 2003, leads, under some conditions, to an unforeseen and

unwanted behavior. The circuit may not process interrupts correctly. All above men-

tioned MARC4 products are affected.

Description

If a DI command is immediately followed by a CALL or SCALL command and an inter-

rupt meets this DI command, this interrupt is kept in the interrupt active register

permanently despite a correct RTI execution. Even if the EI command in the inter-

rupted program has been executed, this bit in the interrupt active register stays set

and disables the execution of any interrupt of the same or lower priority. Only an inter-

rupt with a higher priority or a reset is able to solve this blocking status.

ATA6020N

ATAR510F

ATAR862N3/4/8

If the command following the DI is a NOP, the interrupt active register usually is

cleared correctly after an RTI and executing interrupts then continues normally.

Errata Sheet

Rev. 4813A–4BMCU–06/04

12 3

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与ATAM894P相关器件

型号	品牌	获取价格	描述	数据表
ATAM894-TN	ATMEL	获取价格	Microcontroller, 4-Bit, FLASH, 4MHz, CMOS, PDSO24, SSO-24
ATAM894-TNQ	ATMEL	获取价格	Microcontroller, 4-Bit, FLASH, MARC4 CPU, 4MHz, CMOS, PDSO24, SSO-24
ATAM894-TNQY	ATMEL	获取价格	Microcontroller, 4-Bit, FLASH, MARC4 CPU, 4MHz, CMOS, PDSO24,
ATAM894-TNS	ATMEL	获取价格	Microcontroller, 4-Bit, FLASH, MARC4 CPU, 4MHz, CMOS, PDSO24,
ATAM894-TNSY	ATMEL	获取价格	Microcontroller, 4-Bit, FLASH, MARC4 CPU, 4MHz, CMOS, PDSO24,
ATAM894X-TNQ	ATMEL	获取价格	Microcontroller, 4-Bit, FLASH, 4MHz, CMOS, PDSO24, SSOP-24
ATAM894X-TNQY	ATMEL	获取价格	8k-flash Microcontroller
ATAM894X-TNS	ATMEL	获取价格	Microcontroller, 4-Bit, FLASH, 4MHz, CMOS, PDSO24, SSOP-24
ATAM894X-TNSY	ATMEL	获取价格	8k-flash Microcontroller
ATAR080	ATMEL	获取价格	Low-current Microcontroller for Wireless Communication