Datasheet

LSPCLK
Frame Format and Mode
Even/Odd
Enable
Parity
8
SCIRXD
SCIRXST.1
TXENA
RXWAKE
SCITXD
SCICCR.6 SCICCR.5
RXSHF Register
SCITXD
TXSHF
Register
WUT
SCICTL1.3
TXWAKE
1
Baud Rate
MSbyte
Register
Baud Rate
LSbyte
Register
SCIHBAUD. 15 - 8
SCILBAUD. 7 - 0
TX
FIFO
Interrupts
RXENA
SCICTL1.0
RX
FIFO
Interrupts
SCICTL1.1
SCIRXD
RX ERR INT ENA
SCICTL1.6
RX Error
PEFE OE
RX Error
SCIRXST.7 SCIRXST.4 - 2
8
SCITXBUF.7-0
TX FIFO Registers
Transmitter-Data
Buffer Register
8
SCIFFENA
TX FIFO _15
- - - - -
TX FIFO _1
TX FIFO _0
SCIFFTX.14
SCIRXBUF.7-0
RX FIFO Registers
Receive-Data
Buffer Register
SCIRXBUF.7-0
8
SCIFFRX.15
RXFFOVF
RX FIFO _0
- - - - -
RX FIFO _1
RX FIFO _15
SCI TX Interrupt Select Logic
TX EMPTY
SCICTL2.6
TXINT
TXRDY
SCICTL2.0
TX INT ENA
SCICTL2.7
To CPU
AutoBaud Detect Logic
TX Interrupt Logic
RX Interrupt Logic
SCI RX Interrupt Select Logic
RXRDY
SCIRXST.6
BRKDT
SCIRXST.5
RX/BK INT ENA
SCICTL2.1
RXINT
To CPU
TMS320F28335, TMS320F28334, TMS320F28332
TMS320F28235, TMS320F28234, TMS320F28232
SPRS439M –JUNE 2007–REVISED AUGUST 2012 www.ti.com
Figure 4-15 shows the SCI module block diagram.
Figure 4-15. Serial Communications Interface (SCI) Module Block Diagram
94 Peripherals Copyright © 2007–2012, Texas Instruments Incorporated
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Product Folder Link(s): TMS320F28335 TMS320F28334 TMS320F28332 TMS320F28235 TMS320F28234
TMS320F28232