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STM32F373VC 数据表(PDF) 96 Page - STMicroelectronics |
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STM32F373VC 数据表(HTML) 96 Page - STMicroelectronics |
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96 / 137 page ![]() Electrical characteristics STM32F373xx 96/137 DocID022691 Rev 7 Table 59. I2S characteristics Symbol Parameter Conditions Min Max Unit DuCy(SCK)(1) I2S slave input clock duty cycle Slave mode 30 70 % fCK(1) 1/tc(CK) I2S clock frequency Master mode (data: 16 bits, Audio frequency = 48 kHz) 1.528 1.539 MHz Slave mode 0 12.288 tr(CK)(1) tf(CK) I2S clock rise and fall time Capacitive load CL =30pF - 8 ns tv(WS) (1) WS valid time Master mode 4 - th(WS) (1) WS hold time Master mode 4 - tsu(WS) (1) WS setup time Slave mode 2 - th(WS) (1) WS hold time Slave mode - - tw(CKH) (1) I2S clock high time Master fPCLK= 16 MHz, audio frequency = 48 kHz 306 - tw(CKL) (1) I2S clock low time 312 - tsu(SD_MR) (1) Data input setup time Master receiver 6 - tsu(SD_SR) (1) Slave receiver 3 - th(SD_MR)(1) Data input hold time Master receiver 1.5 - th(SD_SR) (1) Slave receiver 1.5 - tv(SD_ST) (1) Data output valid time Slave transmitter (after enable edge) -16 th(SD_ST) (1) Data output hold time Slave transmitter (after enable edge) 16 - tv(SD_MT) (1) Data output valid time Master transmitter (after enable edge) -2 th(SD_MT) (1) Data output hold time Master transmitter (after enable edge) 0- 1. Guaranteed by characterization results. |
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