APPOTECH CW6632B - Page 78

72 8.1 UART0
CW6632B Bluetooth 3.0 Audio Player SOC Version 1.0.0
Copyright ©2015, www.appotech.com. All Rights Reserved.
UTRXINV: Receive Invert Selection Bit
0 = Receiver input without inverted
1 = Receiver input inverted
TXIE: Transmit Interrupt Enable
0 = Transmit interrupt disable
1 = Transmit interrupt enable
RXIE: Receive Interrupt Enable
0 = Receiver interrupt disable
1 = Receiver interrupt enable
Register 8-2 UARTSTA – UART0 status
Position
7
6
5
4
3
2
1
0
Name
UTRXNB
FEF
RXIF
TXIF
-
-
-
PSEL
Default
x
x
0
1
-
-
-
0
Access
R/W
R/W
R/W
RO
-
-
-
R/W
UTRXNB: The ninth bit data of receiver buffer
FEF: Frame Error Flag
0 = the stop bit is „1‟ in the last received frame
1 = the stop bit is „0‟ in the last received frame
RXIF: RX Interrupt Flag
0 = RX not done
1 = RX done
TXIF: TX Interrupt Flag
0 = TX not done
1 = TX done
Writing data to UTBUF will clear this flag.
PSEL: UART0 Port Select
0 = Select UART0RX0 and UART0TX0
UART0RX0: P34
UART0TX0: P16
1 = Select UART0RX1 and UART0TX1
UART0RX1: P00
UART0TX1: P01
Register 8-3 UARTBAUDL – UART0 Baud Rate Low Byte
Position
7
6
5
4
3
2
1
0
Name
UARTBAUDL
Default
x
x
x
x
x
x
x
x
Access
WO
WO
WO
WO
WO
WO
WO
WO