Microchip Technology MA320001 Data Sheet
PIC32MX3XX/4XX
DS61143H-page 116
© 2011 Microchip Technology Inc.
FIGURE 19-2:
TRANSMISSION (8-BIT OR 9-BIT DATA)
FIGURE 19-3:
TWO CONSECUTIVE TRANSMISSIONS
Character 1
Stop bit
Character 1 to
Transmit Shift Register
Transmit Shift Register
Start bit
bit 0
bit 1
bit 7/8
Write to UxTXREG
Character 1
BCLK/16
(Shift Clock)
UxTX
UxTXIF
TRMT bit
UxTXIF Cleared by User
Transmit Shift Register
Write to UxTXREG
BCLK/16
(Shift Clock)
UxTX
UxTXIF
TRMT bit
Character 1 Character 2
Character 1 to
Character 2 to
Start bit
Stop bit
Start bit
Transmit Shift Register
Character 1
Character 2
bit 0
bit 1
bit 7/8
bit 0
(UTXISEL0 = 0)
UxTXIF
(UTXISEL0 = 1)
UxTXIF Cleared by User in Software