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ATtiny5 数据表(PDF) 109 Page - ATMEL Corporation |
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ATtiny5 数据表(HTML) 109 Page - ATMEL Corporation |
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109 / 168 page ![]() 109 8127C–AVR–10/09 ATtiny4/5/9/10 15.3.2 Flash Memory The embedded Flash memory of ATtiny4/5/9/10 has four separate sections, as shown in Table 15-3 and Table 15-3. Notes: 1. This section is read-only. Notes: 1. This section is read-only. 15.3.3 Configuration Section ATtiny4/5/9/10 have one configuration byte, which resides in the configuration section. See Table 15-5. Table 15-6 briefly describes the functionality of all configuration bits and how they are mapped into the configuration byte. Table 15-3. Number of Words and Pages in the Flash (ATtiny9/10) Section Size (Bytes) Page Size (Words) Pages WADDR PADDR Code (program memory) 1024 8 64 [3:1] [9:4] Configuration 8 8 1 [3:1] – Signature (1) 16 8 2 [3:1] [4:4] Calibration (1) 8 8 1 [3:1] – Table 15-4. Number of Words and Pages in the Flash (ATtiny4/5) Section Size (Bytes) Page Size (Words) Pages WADDR PADDR Code (program memory) 512 8 32 [3:1] [9:4] Configuration 8 8 1 [3:1] – Signature (1) 16 8 2 [3:1] [4:4] Calibration (1) 8 8 1 [3:1] – Table 15-5. Configuration bytes Configuration word address Configuration word data High byte Low byte 0x00 Reserved Configuration Byte 0 0x01 ... 0x07 Reserved Reserved Table 15-6. Configuration Byte 0 Bit Bit Name Description Default Value 7:3 – Reserved 1 (unprogrammed) 2 CKOUT System Clock Output 1 (unprogrammed) 1 WDTON Watchdog Timer always on 1 (unprogrammed) 0 RSTDISBL External Reset disable 1 (unprogrammed) |
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