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TMP320C6720RFP300 데이터시트(PDF) 38 Page - Texas Instruments |
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TMP320C6720RFP300 데이터시트(HTML) 38 Page - Texas Instruments |
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38 / 118 page ![]() 4.8 Reset 4.8.1 Reset Electrical Data/Timing TMS320C6727B, TMS320C6726B, TMS320C6722B, TMS320C6720 Floating-Point Digital Signal Processors SPRS370E – SEPTEMBER 2006 – REVISED JULY 2008 www.ti.com A hardware reset (RESET) is required to place the DSP into a known good state out of power-up. The RESET signal can be asserted (pulled low) prior to ramping the core and I/O voltages or after the core and I/O voltages have reached their proper operating conditions. As a best practice, RESET should be held low during power-up. Prior to deasserting RESET (low-to-high transition), the core and I/O voltages should be at their proper operating conditions. Table 4-1 assumes testing over recommended operating conditions. Table 4-1. Reset Timing Requirements NO. MIN MAX UNIT 1 tw(RSTL) Pulse width, RESET low 100 ns 2 tsu(BPV-RSTH) Setup time, boot pins valid before RESET high 20 ns 3 th(RSTH-BPV) Hold time, boot pins valid after RESET high 20 ns Peripheral and Electrical Specifications 38 Submit Documentation Feedback |
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