Getac Technology Corporation V110GD Manual De Usuario

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PIC32MX1XX/2XX
DS61168C-page 184
Preliminary
© 2011 Microchip Technology Inc.
 and 
 illustrate typical receive
and transmit timing for the UART module.
FIGURE 18-2:
UART RECEPTION     
FIGURE 18-3:
TRANSMISSION (8-BIT OR 9-BIT DATA)      
Start 1
Stop Start 2
Stop 4
Start 5
Stop 10 Start 11
Stop 13
Read to
UxRXREG
UxRX
RIDLE
OERR
UxRXIF
URXISEL = 00
UxRXIF
URXISEL = 01
UxRXIF
URXISEL = 10
Char 1
Char 2-4
Char 5-10
Char 11-13
Cleared by
Software
Cleared by
Software
Cleared by
Software
Start
Start
Bit 0
Bit 1
Stop
Write to 
TSR
BCLK/16
(Shift Clock)
UxTX
UxTXIF
UxTXIF
UTXISEL = 00
Bit 1
UxTXREG
UTXISEL = 01
UxTXIF
UTXISEL = 10
8 into TxBUF
Pull from Buffer