UART - Microchip Taiwan
UART - Microchip Taiwan
UART - Microchip Taiwan
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<strong>UART</strong> - Transmission<br />
(contd.)<br />
• 開 始 傳 送 後 最 先 被 送 出 的 為 START bit<br />
<br />
Low level on UxTX pin for 1 bit time<br />
• 接 著 就 是 資 料 字 元 組 本 身<br />
<br />
<br />
<br />
LSB first , MSB later and parity bit last<br />
Data format (8 or 9 bits) and parity type (even, odd<br />
or no parity) configured by PDSEL bits in the<br />
UxMODE register<br />
No parity for 9-bit data<br />
R/W-0 R/W-0 R/W-0 U-0 U-0 R/W-0 R/W-0 R/W-0<br />
WAKE LPBACK ABAUD - - PDSEL1 PDSEL0 STSEL<br />
bit7 6 5 4 3 2 1 bit0<br />
dsPIC Peripheral Module Training – RTC <strong>Taiwan</strong><br />
SLIDE 8
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