| 전자부품 데이터시트 검색엔진 |
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MPC875CVR133 데이터시트(PDF) 51 Page - Freescale Semiconductor, Inc |
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MPC875CVR133 데이터시트(HTML) 51 Page - Freescale Semiconductor, Inc |
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51 / 84 page ![]() MPC875/MPC870 PowerQUICC™ Hardware Specifications, Rev. 4 Freescale Semiconductor 51 CPM Electrical Characteristics Figure 47. CPM General-Purpose Timers Timing Diagram 13.5 Serial Interface AC Electrical Specifications Table 21 provides the serial interface (SI) timings as shown in Figure 48 through Figure 52. Table 21. SI Timing Num Characteristic All Frequencies Unit Min Max 70 L1RCLKB, L1TCLKB frequency (DSC = 0)1, 2 — SYNCCLK/2.5 MHz 71 L1RCLKB, L1TCLKB width low (DSC = 0)2 P + 10 — ns 71a L1RCLKB, L1TCLKB width high (DSC = 0)3 P + 10 — ns 72 L1TXDB, L1ST1 and L1ST2, L1RQ, L1CLKO rise/fall time — 15.00 ns 73 L1RSYNCB, L1TSYNCB valid to L1CLKB edge (SYNC setup time) 20.00 — ns 74 L1CLKB edge to L1RSYNCB, L1TSYNCB, invalid (SYNC hold time) 35.00 — ns 75 L1RSYNCB, L1TSYNCB rise/fall time — 15.00 ns 76 L1RXDB valid to L1CLKB edge (L1RXDB setup time) 17.00 — ns 77 L1CLKB edge to L1RXDB invalid (L1RXDB hold time) 13.00 — ns 78 L1CLKB edge to L1ST1 and L1ST2 valid4 10.00 45.00 ns 78A L1SYNCB valid to L1ST1 and L1ST2 valid 10.00 45.00 ns 79 L1CLKB edge to L1ST1 and L1ST2 invalid 10.00 45.00 ns 80 L1CLKB edge to L1TXDB valid 10.00 55.00 ns 80A L1TSYNCB valid to L1TXDB valid4 10.00 55.00 ns 81 L1CLKB edge to L1TXDB high impedance 0.00 42.00 ns 82 L1RCLKB, L1TCLKB frequency (DSC = 1) — 16.00 or SYNCCLK/2 MHz 83 L1RCLKB, L1TCLKB width low (DSC = 1) P + 10 — ns CLKO TIN/TGATE (Input) TOUT (Output) 64 65 61 62 63 61 60 |
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