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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SH7727 датащи(PDF) 28 Page - Renesas Technology Corp |
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SH7727 датащи(HTML) 28 Page - Renesas Technology Corp |
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28 / 1109 page  Rev. 5.00 Dec 12, 2005 page xxviii of lxxii Page Previous Version Revised Version 949 Figure 32.17 Basic Bus Cycle (External Wait, WAITSEL = 1) D31 to D0 (read) tRDS1 Figure 32.19 Basic Bus Cycle (External Wait, WAITSEL = 1) D31 to D0 (read) tRDS1 Note added Notes: tRDH1: Specified based on the earliest negate timing of CSn or RD. tAH: Specified based on the latest negate timing of CSn, RD, or WEn. 971 Table 32.8 Peripheral Module Signal Timing –66.67 Min Max Table 32.11 Peripheral Module Signal Timing Min Max Note: * Pcyc stands for “P clock cycle.” Note: * Pcyc stands for “peripheral clock (P φ) cycle.” 973 Figure 32.42 I/O Port Timing PORT 7 to 0 (read) (B:P clock ratio = 1:1) PORT 7 to 0 (write) PORT 7 to 0 (read) (B:P clock ratio = 1:4) PORT 7 to 0 (read) (B:P clock ratio = 1:2) Figure 32.44 I/O Port Timing PORT A to H, J to M, SC (write) PORT A to H, J to M, SC (read) (bus clock:peripheral clock ratio = 1:1) PORT A to H, J to M, SC (read) (bus clock:peripheral clock ratio = 1:1/4) PORT A to H, J to M, SC (read) (bus clock:peripheral clock ratio = 1:1/2) 974 Figure 32.45 TCK Input Timing tTCKL tTCKf VIL VIL VIH VIH VIL 1/2VccQ 1/2VccQ tTCKf tTCKH tTCKcyc TCK (input) Note: When clock is input from TCK pin Figure 32.47 TCK Input Timing tTCKL tTCKf VIL VIL VIH VIH VIH 1/2 VccQ 1/2 VccQ tTCKf tTCKH tTCKcyc TCK (input) |
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