TMS320F28335, TMS320F28334, TMS320F28332
TMS320F28235, TMS320F28234, TMS320F28232
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SPRS439I–JUNE 2007–REVISED MARCH 2011
Enhanced features:
•
•
Auto baud-detect hardware logic
16-level transmit/receive FIFO
The SCI port operation is configured and controlled by the registers listed in Table 4-10, Table 4-11, and
Table 4-12.
Table 4-10. SCI-A Registers(1)
NAME
ADDRESS
0x7050
0x7051
0x7052
0x7053
0x7054
0x7055
0x7056
0x7057
0x7059
0x705A
0x705B
0x705C
0x705F
SIZE (x16)
DESCRIPTION
SCI-A Communications Control Register
SCI-A Control Register 1
SCICCRA
1
1
1
1
1
1
1
1
1
1
1
1
1
SCICTL1A
SCIHBAUDA
SCILBAUDA
SCICTL2A
SCI-A Baud Register, High Bits
SCI-A Baud Register, Low Bits
SCI-A Control Register 2
SCIRXSTA
SCIRXEMUA
SCIRXBUFA
SCITXBUFA
SCIFFTXA(2)
SCIFFRXA(2)
SCIFFCTA(2)
SCIPRIA
SCI-A Receive Status Register
SCI-A Receive Emulation Data Buffer Register
SCI-A Receive Data Buffer Register
SCI-A Transmit Data Buffer Register
SCI-A FIFO Transmit Register
SCI-A FIFO Receive Register
SCI-A FIFO Control Register
SCI-A Priority Control Register
(1) Registers in this table are mapped to Peripheral Frame 2 space. This space only allows 16-bit accesses. 32-bit accesses produce
undefined results.
(2) These registers are new registers for the FIFO mode.
Table 4-11. SCI-B Registers(1) (2)
NAME
ADDRESS
0x7750
0x7751
0x7752
0x7753
0x7754
0x7755
0x7756
0x7757
0x7759
0x775A
0x775B
0x775C
0x775F
SIZE (x16)
DESCRIPTION
SCI-B Communications Control Register
SCI-B Control Register 1
SCICCRB
1
1
1
1
1
1
1
1
1
1
1
1
1
SCICTL1B
SCIHBAUDB
SCILBAUDB
SCICTL2B
SCI-B Baud Register, High Bits
SCI-B Baud Register, Low Bits
SCI-B Control Register 2
SCIRXSTB
SCIRXEMUB
SCIRXBUFB
SCITXBUFB
SCIFFTXB(2)
SCIFFRXB(2)
SCIFFCTB(2)
SCIPRIB
SCI-B Receive Status Register
SCI-B Receive Emulation Data Buffer Register
SCI-B Receive Data Buffer Register
SCI-B Transmit Data Buffer Register
SCI-B FIFO Transmit Register
SCI-B FIFO Receive Register
SCI-B FIFO Control Register
SCI-B Priority Control Register
(1) Registers in this table are mapped to Peripheral Frame 2 space. This space only allows 16-bit accesses. 32-bit accesses produce
undefined results.
(2) These registers are new registers for the FIFO mode.
Copyright © 2007–2011, Texas Instruments Incorporated
Peripherals
93
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