AT89C51CC01 Atmel Corporation, AT89C51CC01 Datasheet
AT89C51CC01
Specifications of AT89C51CC01
Available stocks
Related parts for AT89C51CC01
AT89C51CC01 Summary of contents
Page 1
Active Errata List • Timer 2 – Baud Rate Generator – When TF2 is Set by Software • Timer 2 – Baud Rate Generator – Long Start Time • UART – RB8 Lost with JBC on SCON Register ...
Page 2
Workaround The workaround is to clear IEx bit in Interrupt subroutine. INT1_ISR : CLR IE1 .... 4. Movc Instruction on Boot Memory from Boot Memory Does Not Work No movc instruction is performed when a program running on the boot ...
Page 3
Workaround Disable all interrupts (Interrupt Global Enablet Bit) before starting an A/D conversion in idle mode, then re-enable all interrupts immediately after. 11. CAN – CANCONCH Harmless Corruption When the stuff error occurs (same condition than the errata 6), the ...
Page 4
EEPROM Lock-up during ISP write – Program lock-up can be experienced when using Atmel FLIP software or a custom In system Pogramming tools to write in the internal EEPROM. This problem occurs with clock frequency > 12MHz in X2 ...
Page 5
Assembler Init EEPROM program example: SIZE_EEPROM EQU 00Ah CSEG AT 0000H Mov Mov Load_eeprom: WAIT_FBUSY: End_loop: 17. Transmission after a 3 bit Intermessage If a Transmit Message Object (MOB) is enabled while the CAN bus is busy with an ...
Page 6
At least one Receive MOB of the chip are programmed to accept the incoming message. In this case, the transmitter will wait for the next 3-bit Intermission to retry its transmission Receive MOB of the chip are ...
Page 7
Minimum code to insert in CAN interrupt routine: 18. Timer1 in Mode 1 does not generate Baud rate to UART. – The timer1, when used as a baud rate generator in mode 1 (16 bits counter) for low baud rates, ...
Page 8
Active UART Bootloader Errata List • Timer 2 and UART Are Not Stopped • Watchdog and Flash API Starting the Bootloader Execution • Autobaud False Start Bit Detection • Boot Process Compatibility • Flash API ’__api_wr_code_page’ with 0 Data in ...
Page 9
Version 1.2: Application Executed Version 1.4: Application Executed Workaround Use the fuse bit BLJB to start the application in both versions. 5. Flash API ’__api_wr_code_page’ with 0 Data in Length Parameter Field When the Flash API ’__api_wr_code_page’ is called with ...
Page 10
Active CAN Bootloader Errata List • Watchdog and Flash API Starting the Bootloader Execution • Start application with Software Security Set CAN Bootloader Errata History Version Number 1.0.4 1.2.0 (Current) CAN Bootloader Errata Description 1. The CAN is Not Stopped ...
Page 11
CRIS Modification not applicable for In-application Usage When the CAN Relocatable Identifier Segment (CRIS) is modified, this modification is not taken into account in the bootloader, when it is started by the application for In-application Programming usage. Workaround Use ...
Page 12
... Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as compo- nents in applications intended to support or sustain life. © Atmel Corporation 2006 . All rights reserved. Atmel tered trademarks, of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. Atmel Operations ...