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930105202 数据表(PDF) 4 Page - ATMEL Corporation |
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930105202 数据表(HTML) 4 Page - ATMEL Corporation |
4 / 7 page 4 4247DS–SCR–03/07 AT83C21GC Pin Description Figure 2. 24-pin SSOP Pinout Figure 3. 32-pin QFN Pinout P1.1/CC8 P1.4/CCLK P1.0/CIO RST P1.5/CRST 1 P1.3/CC4 P1.2/CPRES XTAL1 P3.3/INT1/OE P3.2/INT0 P3.4/T0 P3.5/CIO1/T1 LI C VCC CVSS V CC E VCC VSS P3.0/RxD P3.1/TxD 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 P3.6/CCLK1/LED0 XTAL2 P3.7/CRST1/LED1 D V CC SSOP24 QFN32 Vss P1.1/CC8 P1.0/CIO P1.2/CPRES CVcc P1.4/CCLK P3.5/CIO1/T1 P1.3/CC4 P1.5/CRST P3.4/T0 P3.0/RxD 28 27 26 1 2 3 4 5 6 7 24 23 22 21 20 19 18 12 11 10 9 13 14 15 RST 8 16 17 Vss P3.1/TxD 25 29 30 31 32 P3.2/INT0 P3.3/INT1/OE Table 1. Port Signal Description Port Signal Name Internal Power Supply ESD Type Description P1.0 CIO CVCC 4 kV I/O Smart Card Interface Function Card I/O – Pull-up medium is lower than 20KΩ P1.1 CC8 CVCC 4 kV I/O Smart Card Interface Function Card contact 8 – Pull-up medium must be less than 20KΩ P1.2 CPRES VCC 4 kV I Smart Card Interface Function Card presence |
类似零件编号 - 930105202 |
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类似说明 - 930105202 |
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