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DS89C430 датащи(PDF) 45 Page - Dallas Semiconductor |
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DS89C430 датащи(HTML) 45 Page - Dallas Semiconductor |
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45 / 48 page ![]() DS89C430/DS89C440/DS89C450 Ultra-High-Speed Flash Microcontrollers 45 of 48 PIN CONFIGURATIONS REVISION HISTORY DATE DESCRIPTION 111003 New product release. 032204 DC Electrical Characteristics table: Corrected typo—Under Supply Current for Active and Idle Mode, changed Units from “ mA” to “mA.” Note 15: Changed number of external clock cyles per system clock and minimum external clock speeds. Flash Memory Programming Characteristics table: Removed Note 20 (room temperature only) from the Data Retention parameter. 060204 Changed Write/Erase Endurance parameter from 20,000 cycles to 10,000 cycles. Removed original Table 5. Parallel Programming Instruction Set, and replaced it with a paragraph introducing the subject and advising interested parties to contact the factory for more information. Clarified IAP programming sequence. 060805 Added lead-free devices to Ordering Information table. 6 1 40 18 28 7 39 17 29 DS89C430 DS89C440 DS89C450 PLCC 33 23 1 1 34 22 44 12 DS89C430 DS89C440 DS89C450 TQFP TOP VIEW ALE/ PROG P1.0/T2 P1.1/T2EX P1.2/RXD1 P1.3/TXD1 P1.4/INT2 P1.5/INT3 P1.6/INT4 P1.7/INT5 RST P3.0/RXD0 P3.1/TXD0 P3.2/INT0 P3.3/INT1 P3.4/T0 P3.5/T1 P3.6/WR P3.7/RD XTAL2 XTAL1 VSS VCC P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 EA/VPP PSEN P2.7 P2.6 P2.5 P2.4 P2.3 P2.2 P2.1 P2.0 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 DS89C430 DS89C440 DS89C450 PDIP |
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