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PM0051 Datasheet(PDF) 7 Page - STMicroelectronics |
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PM0051 Datasheet(HTML) 7 Page - STMicroelectronics |
7 / 27 page PM0051 Memory organization Doc ID 14614 Rev 3 7/27 2.2 Medium density STM8S microcontrollers The memory is divided into two arrays: ● From 16 to 32 Kbytes of Flash program memory organized in up to 64 pages of 4 blocks of 128 bytes each. The Flash program memory is divided into 2 areas, the user boot code area (UBC), which size can be configured by option byte, and the main program memory area. The Flash program memory is mapped in the upper part of the STM8S addressing space and includes the reset and interrupt vectors. ● 1 Kbytes of data EEPROM (DATA) organized in up to 2 pages of 4 blocks of 128 bytes each. One block (128 bytes) contains the option bytes of which 13 are used to configure the device hardware features. The options bytes can be programmed in user, IAP and ICP/SWIM modes. Refer to Table 2 for a detailed description of the memory partition for medium density STM8S microcontrollers. Table 1. Low density STM8S memory partition Area Page number (1 page=1 block) Block number (1 block=64 bytes) Address Data EEPROM 00 0x00 4000- 0x00 403F 11 0x00 4040- 0x00 407F 22 0x00 4080- 0x00 40BF ... ... ... 99 0x00 4240- 0x00 427F Option bytes - 0 (one block only) 0x00 4800- 0x00 483F Flash program memory 00 0x00 8000- 0x00 803F 11 0x00 8040- 0x00 807F 22 0x00 8080- 0x00 80BF ... ... ... 127 127 0x00 9FC0- 0x00 9FFF |
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