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ST7MC1K2-Auto Datasheet(PDF) 336 Page - STMicroelectronics |
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ST7MC1K2-Auto Datasheet(HTML) 336 Page - STMicroelectronics |
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336 / 371 page  Obsolete Product(s) - Obsolete Product(s) Electrical characteristics ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto 336/371 12.11 Communication interface characteristics 12.11.1 SPI - serial peripheral interface Subject to general operating conditions for VDD, fOSC, and TA unless otherwise specified. Refer to I/O port characteristics for more details on the input/output alternate function characteristics (SS, SCK, MOSI, MISO). Table 215. SPI characteristics Symbol Parameter Conditions Min Max Unit fSCK 1/tc(SCK) SPI clock frequency Master fCPU = 8MHz fCPU/128 0.0625 fCPU/4 2 MHz Slave fCPU = 8MHz 0 fCPU/2 4 tr(SCK) tf(SCK) SPI clock rise and fall time see Table 2 on page 23 for I/O port pin description tsu(SS) (1) 1. Data based on design simulation and/or characterization results, not tested in production. SS setup time(2) 2. Depends on fCPU. For example, if fCPU = 8 MHz, then TCPU = 1/fCPU = 125ns and tsu(SS) = 550ns. Slave (4 x TCPU) + 50 ns th(SS) (1) SS hold time Slave 120 tw(SCKH) tw(SCKL) SCK high and low time Master Slave 100 90 tsu(MI) tsu(SI) Data input setup time Master Slave 100 100 th(MI) th(SI) Data input hold time Master Slave 100 100 ta(SO) Data output access time Slave 0 120 tdis(SO) Data output disable time Slave 240 tv(SO) Data output valid time Slave (after enable edge) 120 th(SO) Data output hold time 0 tv(MO) Data output valid time Master (after enable edge) 120 th(MO) Data output hold time 0 Obsolete Product(s) - Obsolete Product(s) |
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