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W5200 Datasheet(PDF) 76 Page - WIZnet Co., Ltd

Part # W5200
Description  Microcontroller
PDF  88 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  WIZNET [WIZnet Co., Ltd]
Direct Link  https://www.wiznet.io/ko/Product/
Logo WIZNET - WIZnet Co., Ltd

W5200 Datasheet(HTML) 76 Page - WIZnet Co., Ltd

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76
CSoff(); // CS=0, SPI start
// SpiSendData
SpiSendData(((addr+idx) & 0xFF00) >> 8);
// Address byte 1
SpiSendData((addr+idx) & 0x00FF);
// Address byte 2
// Data write command + Data length upper 7bits
SpiSendData((data_read_command| ((data_len& 0x7F00) >> 8)));
// Data length bottom 8bits
SpiSendData((data_len& 0x00FF));
// Read data:On data_len> 1, Burst Read Processing Mode.
for(int idx = 0; idx<data_len; idx++)
{
SpiSendData(0); // Dummy data
data_buf[idx] = SpiRecvData(idx); // Read data
}
CSon(); // CS=1, SPI end
ISR_ENABLE(); // Interrupt Service Routine disable
}



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