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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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ATtiny88 数据表(PDF) 213 Page - ATMEL Corporation |
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ATtiny88 数据表(HTML) 213 Page - ATMEL Corporation |
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213 / 266 page  213 8008C–AVR–03/09 ATtiny48/88 Notes: 1. tWLRH is valid for the Write Flash, Write EEPROM, Write Fuse bits and Write Lock bits commands. 2. tWLRH_CE is valid for the Chip Erase command. 21.11 Serial Programming Characteristics Figure 21-9. Serial Programming Timing Figure 21-10. Serial Programming Waveforms tWLRH_CE WR Low to RDY/BSY High for Chip Erase (2) 7.5 9 ms tXLOL CLKI Low to OE Low 0 ns tBVDV BS1 Valid to DATA valid 0 250 ns tOLDV OE Low to DATA Valid 250 ns tOHDZ OE High to DATA Tri-stated 250 ns Table 21-9. Parallel Programming Characteristics, T A = 25°C, VCC = 5V (Continued) Symbol Parameter Min Typ Max Units Table 21-10. Serial Programming Characteristics, T A = -40°C to 85°C, VCC = 1.8 – 5.5V (Unless Otherwise Noted) Symbol Parameter Min Typ Max Units 1/tCLCL Oscillator Frequency (V CC = 2.7V – 5.5V) 0 6 MHz tCLCL Oscillator Period (V CC = 2.7V – 5.5V) 166 ns 1/tCLCL Oscillator Frequency (VCC = 4.5V – 5.5V) 0 12 MHz MOSI MISO SCK t OVSH t SHSL t SLSH t SHOX t SLIV MSB MSB LSB LSB SERIAL CLOCK INPUT (SCK) SERIAL DATA INPUT (MOSI) (MISO) SAMPLE SERIAL DATA OUTPUT |
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