T89C51CC01CA-7CTIM Atmel, T89C51CC01CA-7CTIM Datasheet

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... Flash (EEPROM) memories. Additional information on the T89C51CC01 product can be found in the T89C51CC01 Data sheet and the T89C51CC01 Errata sheet available on the Atmel web site, www.atmel.com. The bootloader software package (source code and binary) currently used for produc- tion is available from the Atmel web site ...

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Functional The T89C51CC01 Bootloader facilitates In-System Programming and In-Application Programming. Description In-System In-System Programming allows the user to program or reprogram a microcontroller on-chip Flash memory without removing it from the system and without the need of a pre-programmed Programming ...

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ISP Communication The purpose of this process is to manage the communication and its protocol between the on- Management chip bootloader and an external device (host). The on-chip bootloader implements a Serial pro- tocol (see Section “Protocol”). This process translates ...

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Mapping and Default The 4 MSB of the Hardware Byte can be read/written by software (this area is called Fuse bits). Value of Hardware The 4 LSB can only be read by software and written by hardware in parallel mode ...

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... The way to start this user bootloader is described in the section “Boot Process”. Application FLIP Software FLIP software program running under Windows and LINUX that sup- ports all ATMEL Flash microcontroller. Program This free software profgram is available from the Atmel web site. 4211C–CAN–03/08 T89C51CC01 UART Bootloader User Bootloader [SBV]00h FM0 ...

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In-System The ISP allows the user to program or reprogram a microcontroller’s on-chip Flash memory through the serial line without removing it from the system and without the need of a pre-pro- Programming grammed application. This section describes how to ...

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Regular Boot Process 0000h lica tio n 4211C–CAN–03/08 T89C51CC01 UART Bootloader bit ...

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Physical Layer The UART used to transmit information has the following configuration: • Character: 8-bit data • Parity: none • Stop: 2 bit • Flow control: none • Baud rate: autobaud is performed by the bootloader to compute the baud ...

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Protocol Overview An initialization step must be performed after each Reset. After microcontroller reset, the boot- loader waits for an autobaud sequence (see Section “Autobaud Performances”). When the communication is initialized the protocol depends on the record type issued by ...

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Frequency (MHz) Baudrate (Bauds 38400 - - 57600 - - 115200 - - Command Data Stream Protocol All commands are sent using the same flow. Each frame sent by the host is echoed by the bootloader. Figure 3. ...

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Programming the The flow described below shows how to program data in the Flash memory or in the EEPROM Flash or EEPROM data data memory. The bootloader programs on a page of 128 bytes basis when it is possible. The ...

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Read the Flash or The flow described below allows the user to read data in the Flash memory or in the EEPROM EEPROM Data data memory. A blank check command is possible with this flow. The device splits into blocks ...

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Example Flow Description: read command Host Send Display Command OR Wait Checksum Error COMMAND ABORTED OR Wait Security Error COMMAND ABORTED Wait Display Data All data read COMMAND FINISHED 4211C–CAN–03/08 T89C51CC01 UART Bootloader Blank Check 0000 04 ...

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Example T89C51CC01 UART Bootloader 14 Display data from address 0000h to 0020h HOST : 05 0000 04 0000 0020 0000 04 0000 0020 00 D7 BOOTLOADER BOOTLOADER 0000=-----data------ CR LF BOOTLOADER 0010=-----data------ CR LF BOOTLOADER 0020=data ...

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Program The flow described below allows the user to program Configuration Information regarding the Configuration bootloader functionality. Information The Boot Process Configuration: BSB SBV Fuse bits (BLJB and X2 bits) (see Section “Mapping and Default Value of Hardware Security Byte”) ...

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... Wait COMMAND_OK COMMAND FINISHED Example T89C51CC01 UART Bootloader 16 Write Command ’X’ & CR & LF ’P’ & CR & LF ’.’ & CR & LF Programming Atmel function (write SSB to level 2) HOST : 02 0000 0000 F5 BOOTLOADER Writing Frame (write BSB to 55h 0000 HOST BOOTLOADER : 03 0000 ...

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Read Configuration The flow described below allows the user to read the configuration or manufacturer information. Information or Manufacturer Information Requests From Host Read Manufacturer Code Read Product Name Read Product Revision Read HSB (Fuse bit) Read Bootloader version Note: ...

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... CR & LF ’L’ & CR & LF ’value’ & ’.’ & CR & LF Read function (read SBV 0000 HOST BOOTLOADER : 02 0000 Value . CR LF Atmel Read function (read Bootloader version) HOST : 02 0000 BOOTLOADER : 02 0000 Value . CR LF Bootloader Wait Read Command Checksum error ...

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Erase the Flash The flow described below allows the user to erase the Flash memory. Two modes of Flash erasing are possible: • Full Chip erase • Block erase The Full Chip erase command erases the whole Flash (32 Kbytes) ...

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Flow Description Host Send Erase Command OR Wait Checksum Error COMMAND ABORTED OR Wait Security Error COMMAND ABORTED Wait COMMAND_OK COMMAND FINISHED Example T89C51CC01 UART Bootloader 20 Erase Command ’X’ & CR & LF ’P’ & CR & LF ’.’ ...

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Start the Application The flow described below allows to start the application directly from the bootloader upon a spe- cific command reception. Two options are possible: • Start the application with a reset pulse generation (using watchdog). When the device ...

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... Programming To call the corresponding API, the user must use a set of Flash_api routines which can be linked with the application. Example of Flash_api routines are available on the Atmel web site on the software application note: C Flash Drivers for the T89C51CC01UA The flash_api routines on the package work only with the UART bootloader. ...

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API Commands Several types of APIs are available: • Read/Program Flash and EEPROM Data memory • Read Configuration and Manufacturer Information • Program Configuration Information • Erase Flash • Start bootloader Read/Program Flash All routines to access EEPROM Data are ...

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Instruction: LCALL FFF0h. • At the complete API execution by the bootloader, the value to read is in the api_value variable. Note: Program • Parameter settings Configuration API Name Information __api_set_X2 __api_clr_X2 __api_set_BLJB __api_clr_BLJB __api_wr_BSB __api_wr_SBV __api_wr_EB __api_wr_SSB_LEVEL0 ...

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Erase Flash The T89C51CC01 flash memory is divided in several blocks: Block 0: from address 0000h to 1FFFh Block 1: from address 2000h to 3FFFh Block 2: from address 4000h to 7FFFh These three blocks contain 128 pages. • Parameter ...

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Appendix-1 Table 3. Summary of frames from Host Command Program Nb Data Byte in Flash. Erase block0 (0000h-1FFFh) Erase block1 (2000h-3FFFh) Erase block2 (4000h-7FFFh) Start application with a reset pulse generation Start application with a jump at “address” Erase SBV ...

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Appendix-2 Table 4. API Summary Function name __api_rd_code_byte __api_wr_code_byte __api_wr_code_page __api_erase_block0 __api_erase_block1 __api_erase_block2 __api_rd_HSB __api_set_X2 __api_clr_X2 __api_set_BLJB __api_clr_BLJB __api_rd_BSB __api_wr_BSB __api_rd_SBV __api_wr_SBV __api_erase_SBV __api_rd_SSB __api_wr_SSB_level0 __api_wr_SSB_level1 __api_wr_SSB_level2 __api_rd_EB __api_wr_EB __api_rd_manufacturer __api_rd_device_id1 __api_rd_device_id2 __api_rd_device_id3 __api_rd_bootloader_version __api_eeprom_busy __api_rd_eeprom_byte __api_wr_eeprom_byte 4211C–CAN–03/08 T89C51CC01 UART ...

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Table 4. API Summary Function name __api_start_bootloader Datasheet Change Log 4211A - 12/ Bit stop for the UART protocol added. 4211B - 12/03 4211B - 12/ Updated of bootloader version. 4211C - 03/08 T89C51CC01 UART Bootloader ...

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