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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMP320C2811PBKA датащи(PDF) 73 Page - Texas Instruments |
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TMP320C2811PBKA датащи(HTML) 73 Page - Texas Instruments |
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73 / 147 page  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 ADDRESS SIZE (x16) DESCRIPTION SCICCRA 0x00 7050 1 SCI-A Communications Control Register SCICTL1A 0x00 7051 1 SCI-A Control Register 1 SCIHBAUDA 0x00 7052 1 SCI-A Baud Register, High Bits SCILBAUDA 0x00 7053 1 SCI-A Baud Register, Low Bits SCICTL2A 0x00 7054 1 SCI-A Control Register 2 SCIRXSTA 0x00 7055 1 SCI-A Receive Status Register SCIRXEMUA 0x00 7056 1 SCI-A Receive Emulation Data Buffer Register SCIRXBUFA 0x00 7057 1 SCI-A Receive Data Buffer Register SCITXBUFA 0x00 7059 1 SCI-A Transmit Data Buffer Register SCIFFTXA 0x00 705A 1 SCI-A FIFO Transmit Register SCIFFRXA 0x00 705B 1 SCI-A FIFO Receive Register SCIFFCTA 0x00 705C 1 SCI-A FIFO Control Register SCIPRIA 0x00 705F 1 SCI-A Priority Control Register † Shaded registers are new registers for the FIFO mode. Table 4−9. SCI-B Registers†‡ NAME ADDRESS SIZE (x16) DESCRIPTION SCICCRB 0x00 7750 1 SCI-B Communications Control Register SCICTL1B 0x00 7751 1 SCI-B Control Register 1 SCIHBAUDB 0x00 7752 1 SCI-B Baud Register, High Bits SCILBAUDB 0x00 7753 1 SCI-B Baud Register, Low Bits SCICTL2B 0x00 7754 1 SCI-B Control Register 2 SCIRXSTB 0x00 7755 1 SCI-B Receive Status Register SCIRXEMUB 0x00 7756 1 SCI-B Receive Emulation Data Buffer Register SCIRXBUFB 0x00 7757 1 SCI-B Receive Data Buffer Register SCITXBUFB 0x00 7759 1 SCI-B Transmit Data Buffer Register SCIFFTXB 0x00 775A 1 SCI-B FIFO Transmit Register SCIFFRXB 0x00 775B 1 SCI-B FIFO Receive Register SCIFFCTB 0x00 775C 1 SCI-B FIFO Control Register SCIPRIB 0x00 775F 1 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. |
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