Rainbow-electronics AT89C5132 Manual do Utilizador descarregar pdf (Página 1)

Rev. 4253A–USB–08/03

Active AT89C5132 Errata List

• SPI Controller – Bad Transfer in Slave Mode with CPHA = 0

• C51 Core – Bad Exit of Power-down in X2 Mode

AT89C5132 Errata History

AT89C5132 Errata Description

1. SPI Controller – Bad Transfer in Slave Mode with CPHA = 0

SPI controller used in slave mode with CPHA = 0 leads to erratic data reception

and transmission.

Workaround

Use slave mode only with CPHA = 1.

2. C51 Core

– Bad Exit of Power-down in X2 Mode

When exiting Power-down mode by interrupt while CPU is in X2 mode, it leads to

bad execution of first instruction executed when CPU restarts.

Workaround

Put the CPU in X1 mode just before entering power-down mode.

Lot Number Errata List

A00960 and above 1, 2

USB

Microcontrollers

AT89C5132

Errata Sheet

1 2 3

Resumo do Conteúdo

Página 1 - Errata Sheet

Rev. 4253A–USB–08/03Active AT89C5132 Errata List• SPI Controller – Bad Transfer in Slave Mode with CPHA = 0• C51 Core – Bad Exit of Power-down in X2 M

Página 2

2AT89C51324253A–USB–08/03Active USB Bootloader Errata List• No Active ErrataUSB Bootloader Errata HistoryUSB Bootloader Errata Description1. Boot Proc

Página 3 - Regional Headquarters

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