参数资料
型号: TMR320R2812PBKQ
厂商: Texas Instruments, Inc.
元件分类: 数字信号处理
英文描述: TMS320R2811, TMS320R2812 Digital Signal Processors
中文描述: TMS320R2811,TMS320R2812数字信号处理器
文件页数: 73/147页
文件大小: 2021K
代理商: TMR320R2812PBKQ
Peripherals
73
June 2004
SPRS257
The SCI port operation is configured and controlled by the registers listed in Table 4
8 and Table 4
9.
Table 4
8. SCI-A Registers
NAME
SCICCRA
SCICTL1A
SCIHBAUDA
SCILBAUDA
SCICTL2A
SCIRXSTA
SCIRXEMUA
SCIRXBUFA
SCITXBUFA
SCIFFTXA
SCIFFRXA
SCIFFCTA
SCIPRIA
ADDRESS
0x00 7050
0x00 7051
0x00 7052
0x00 7053
0x00 7054
0x00 7055
0x00 7056
0x00 7057
0x00 7059
0x00 705A
0x00 705B
0x00 705C
0x00 705F
SIZE (x16)
1
1
1
1
1
1
1
1
1
1
1
1
1
DESCRIPTION
SCI-A Communications Control Register
SCI-A Control Register 1
SCI-A Baud Register, High Bits
SCI-A Baud Register, Low Bits
SCI-A Control Register 2
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
Shaded registers are new registers for the FIFO mode.
Table 4
9. SCI-B Registers
NAME
SCICCRB
SCICTL1B
SCIHBAUDB
SCILBAUDB
SCICTL2B
SCIRXSTB
SCIRXEMUB
SCIRXBUFB
SCITXBUFB
SCIFFTXB
SCIFFRXB
SCIFFCTB
SCIPRIB
ADDRESS
0x00 7750
0x00 7751
0x00 7752
0x00 7753
0x00 7754
0x00 7755
0x00 7756
0x00 7757
0x00 7759
0x00 775A
0x00 775B
0x00 775C
0x00 775F
SIZE (x16)
1
1
1
1
1
1
1
1
1
1
1
1
1
DESCRIPTION
SCI-B Communications Control Register
SCI-B Control Register 1
SCI-B Baud Register, High Bits
SCI-B Baud Register, Low Bits
SCI-B Control Register 2
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
Shaded registers are new registers for the FIFO mode.
Registers in this table are mapped to peripheral bus 16 space. This space only allows 16-bit accesses. 32-bit accesses produce undefined results.
4.7
Serial Peripheral Interface (SPI) Module
R281x devices include the four-pin serial peripheral interface (SPI) module. The SPI is a high-speed,
synchronous serial I/O port that allows a serial bit stream of programmed length (one to sixteen bits) to be
shifted into and out of the device at a programmable bit-transfer rate. Normally, the SPI is used for
communications between the DSP controller and external peripherals or another processor. Typical
applications include external I/O or peripheral expansion through devices such as shift registers, display
drivers, and ADCs. Multidevice communications are supported by the master/slave operation of the SPI.
A
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