CC2430 Datasheet, PDF (147/212 Pages) Texas Instruments – A True System-on-Chip solution for 2.4 GHz IEEE 802.15.4 / ZigBee-TM

CC2430
Peripherals : USART
U0CSR (0x86) – USART 0 Control and Status
Bit Name
7
MODE
6
RE
5
SLAVE
4
FE
3
ERR
2
RX_BYTE
1
TX_BYTE
0
ACTIVE
Reset R/W
0
R/W
0
R/W
0
R/W
0
R/W0
0
R/W0
0
R/W0
0
R/W0
0
R
Description
USART mode select
0 SPI mode
1 UART mode
UART receiver enable
0 Receiver disabled
1 Receiver enabled
SPI master or slave mode select
0 SPI master
1 SPI slave
UART framing error status
0 No framing error detected
1 Byte received with incorrect stop bit level
UART parity error status
0 No parity error detected
1 Byte received with parity error
Receive byte status. UART mode and SPI slave mode
0 No byte received
1 Received byte ready
Transmit byte status. UART mode and SPI master mode
0 Byte not transmitted
1 Last byte written to Data Buffer register transmitted
USART transmit/receive active status
0 USART idle
1 USART busy in transmit or receive mode
CC2430 Data Sheet (rev. 2.1) SWRS036F
Page 147 of 211