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AM1808AZCED3 Datenblatt(PDF) 161 Page - Texas Instruments |
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AM1808AZCED3 Datenblatt(HTML) 161 Page - Texas Instruments |
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161 / 264 page ![]() AM1808 www.ti.com SPRS653A – FEBRUARY 2010 – REVISED APRIL 2010 Table 6-76. General Timing Requirements for SPI1 Master Modes(1) 1.3V, 1.2V 1.1V 1.0V NO. PARAMETER UNIT MIN MAX MIN MAX MIN MAX 1 tc(SPC)M Cycle Time, SPI1_CLK, All Master Modes 20(2) 256P 30(2) 256P 40(2) 256P ns Pulse Width High, SPI1_CLK, All Master 2 tw(SPCH)M 0.5M-1 0.5M-1 0.5M-1 ns Modes Pulse Width Low, SPI1_CLK, All Master 3 tw(SPCL)M 0.5M-1 0.5M-1 0.5M-1 ns Modes Polarity = 0, Phase = 0, 5 5 6 to SPI1_CLK rising Polarity = 0, Phase = Delay, initial data 1, -0.5M+5 -0.5M+5 -0.5M+6 bit valid on to SPI1_CLK rising 4,5 td(SIMO_SPC)M SPI1_SIMO to ns Polarity = 1, Phase = initial edge on 0, 5 5 6 SPI1_CLK(3) to SPI1_CLK falling Polarity = 1, Phase = 1, -0.5M+5 -0.5M+5 -0.5M+6 to SPI1_CLK falling Polarity = 0, Phase = 0, 5 5 6 from SPI1_CLK rising Polarity = 0, Phase = 1, 5 5 6 Delay, subsequent from SPI1_CLK bits valid on falling 5 td(SPC_SIMO)M SPI1_SIMO after ns Polarity = 1, Phase = transmit edge of 0, SPI1_CLK 5 5 6 from SPI1_CLK falling Polarity = 1, Phase = 1, 5 5 6 from SPI1_CLK rising Polarity = 0, Phase = 0, 0.5M-3 0.5M-3 0.5M-3 from SPI1_CLK falling Polarity = 0, Phase = 1, 0.5M-3 0.5M-3 0.5M-3 Output hold time, from SPI1_CLK SPI1_SIMO valid rising 6 toh(SPC_SIMO)M after ns Polarity = 1, Phase = receive edge of 0, SPI1_CLK 0.5M-3 0.5M-3 0.5M-3 from SPI1_CLK rising Polarity = 1, Phase = 1, 0.5M-3 0.5M-3 0.5M-3 from SPI1_CLK falling (1) P = SYSCLK2 period; M = tc(SPC)M (SPI master bit clock period) (2) This timing is limited by the timing shown or 3P, whichever is greater. (3) First bit may be MSB or LSB depending upon SPI configuration. MO(0) refers to first bit and MO(n) refers to last bit output on SPI1_SIMO. MI(0) refers to the first bit input and MI(n) refers to the last bit input on SPI1_SOMI. Copyright © 2010, Texas Instruments Incorporated Peripheral Information and Electrical Specifications 161 Submit Documentation Feedback Product Folder Link(s): AM1808 |
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