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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMS320DM643 датащи(PDF) 141 Page - Texas Instruments |
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TMS320DM643 датащи(HTML) 141 Page - Texas Instruments |
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141 / 160 page  www.ti.com 5.15.3 EMAC Electrical Data/Timing MRCLK 2 3 1 MTCLK 2 3 1 TMS320DM643 Video/Imaging Fixed-Point Digital Signal Processor SPRS269A – FEBRUARY 2005 – REVISED APRIL 2005 Table 5-63. EWRAP Registers HEX ADDRESS RANGE ACRONYM REGISTER NAME 01C8 3000 EWTRCTRL TR control 01C8 3004 EWCTL Interrupt control register 01C8 3008 EWINTTCNT Interrupt timer count 01C8 300C – 01C8 37FF – Reserved Table 5-64. Timing Requirements for MRCLK (see Figure 5-57) –500 –600 NO. UNIT MIN MAX 1 tc(MRCLK) Cycle time, MRCLK 40 ns 2 tw(MRCLKH) Pulse duration, MRCLK high 14 ns 3 tw(MRCLKL) Pulse duration, MRCLK low 14 ns Figure 5-57. MRCLK Timing (EMAC – Receive) Table 5-65. Timing Requirements for MTCLK (see Figure 5-57) –500 –600 NO. UNIT MIN MAX 1 tc(MTCLK) Cycle time, MTCLK 40 ns 2 tw(MTCLKH) Pulse duration, MTCLK high 14 ns 3 tw(MTCLKL) Pulse duration, MTCLK low 14 ns Figure 5-58. MTCLK Timing (EMAC – Transmit) DM643 Peripheral Information and Electrical Specifications 141 |
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