| 전자부품 데이터시트 검색엔진 |
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PC97307 데이터시트(PDF) 210 Page - National Semiconductor (TI) |
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PC97307 데이터시트(HTML) 210 Page - National Semiconductor (TI) |
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210 / 218 page ![]() 210 Device Description www.national.com 13.3.20 GPIO Write Timing FIGURE 13-28. GPIO Write Timing Diagram TABLE 13-57. GPIO Write Timing 13.3.21 RTC Timing TABLE 13-58. RTC Timing FIGURE 13-29. IRQ Release Delay FIGURE 13-30. Master Reset (MR) Timing a. Refer to “Microprocessor Interface Timing” on page 193 for read timing. a. Not tested. Guaranteed by design. Symbol Parameter Min Max Unit tWGO Write Data to GPIO Update 300 a nsec Symbol Parameter Test Conditions Min Max Unit tRW IOR to IRQ TRI-STATE a 36 nsec tRCI MR to IRQ TRI-STATE a 25 nsec tRCL MR High Time 100 µsec tVMR VCC (4.5V) to MR a 10 msec GPIO17-10 IOW D7-0 tWGO GPIO27-20 A15-0 Valid Valid Valid Previous State IRQ tRW RD MR tRCI tRCL VCC MR tVMR |
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