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DSP56824DS 数据表(PDF) 16 Page - Motorola, Inc |
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DSP56824DS 数据表(HTML) 16 Page - Motorola, Inc |
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16 / 62 page  16 DSP56824 Technical Data 2.8 Synchronous Serial Interface (SSI) Signals Table 14. Synchronous Serial Interface (SSI) Signals Signal Name Signal Type State During Reset Signal Description STD PC8 Output Input or Output Input SSI Transmit Data (STD)—This output pin transmits serial data from the SSI Transmitter Shift Register. Port C GPIO 8 (PC8)—This pin is a GPIO pin called PC8 when the SSI STD function is not being used. After reset, the default state is GPIO input. SRD PC9 Input Input or Output Input SSI Receive Data—This input pin receives serial data and transfers the data to the SSI Receive Shift Register. Port C GPIO 9 (PC9)—This pin is a GPIO pin called PC9 when the SSI SRD function is not being used. After reset, the default state is GPIO input. STCK PC10 Input/ Output Input or Output Input SSI Serial Transmit Clock—This bidirectional pin provides the serial bit rate clock for the Transmit section of the SSI. The clock signal can be continuous or gated and can be used by both the transmitter and receiver in Synchronous mode. Port C GPIO 10 (PC10)—This pin is a GPIO pin called PC10 when the SSI STCK function is not being used. After reset, the default state is GPIO input. STFS PC11 Input/ Output Input or Output Input Serial Transmit Frame Sync—This bidirectional pin is used by the Transmit section of the SSI as frame sync I/O or flag I/O. The STFS can be used by both the transmitter and receiver in Synchronous mode. It is used to synchronize data transfer and can be an input or an output. Port C GPIO 11 (PC11)—This pin is a GPIO pin called PC11 when the SSI STFS function is not being used. This pin is not required by the SSI in Gated Clock mode. After reset, the default state is input. SRCK PC12 Input/ Output Input or Output Input SSI Serial Receive Clock—This bidirectional pin provides the serial bit rate clock for the Receive section of the SSI. The clock signal can be continuous or gated and can be used only by the receiver. Port C GPIO 12 (PC12)—This pin is a GPIO pin called PC12 when the SSI STD function is not being used. After reset, the default state is GPIO input. Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
类似零件编号 - DSP56824DS |
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类似说明 - DSP56824DS |
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