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參數(shù)資料
| 型號(hào)： | TMS320LF2407APGEA |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 數(shù)字信號(hào)處理 |
| 英文描述： | 16-BIT, 20 MHz, OTHER DSP, PQFP144 |
| 封裝： | GREEN, PLASTIC, LQFP-144 |
| 文件頁(yè)數(shù)： | 84/134頁(yè) |
| 文件大?。?/td> | 1724K |
| 代理商： | TMS320LF2407APGEA |
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TMS320LF2407A,TMS320LF2406A,TMS320LF2403A,TMS320LF2402A
TMS320LC2406A,TMS320LC2404A,TMS320LC2403A,TMS320LC2402A
DSP CONTROLLERS
SPRS145L JULY 2000 REVISED SEPTEMBER 2007
53
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
serial communications interface (SCI) module
The 240xA devices include a serial communications interface (SCI) module. The SCI module supports digital
communications between the CPU and other asynchronous peripherals that use the standard
non-return-to-zero (NRZ) format. The SCI receiver and transmitter are double-buffered, and each has its own
separate enable and interrupt bits. Both can be operated independently or simultaneously in the full-duplex
mode. To ensure data integrity, the SCI checks received data for break detection, parity, overrun, and framing
errors. The bit rate is programmable to over 65 000 different speeds through a 16-bit baud-select register.
Features of the SCI module include:
D Two external pins:
SCITXD: SCI transmit-output pin
SCIRXD: SCI receive-input pin
NOTE:
Both pins can be used as GPIO if not used for SCI.
D Baud rate programmable to 64K different rates
Up to 2500 Kbps at 40-MHz CPUCLK
D Data-word format
One start bit
Data-word length programmable from one to eight bits
Optional even/odd/no parity bit
One or two stop bits
D Four error-detection flags: parity, overrun, framing, and break detection
D Two wake-up multiprocessor modes: idle-line and address bit
D Half- or full-duplex operation
D Double-buffered receive and transmit functions
D Transmitter and receiver operations can be accomplished through interrupt-driven or polled algorithms with
status flags.
Transmitter: TXRDY flag (transmitter-buffer register is ready to receive another character) and
TX EMPTY flag (transmitter-shift register is empty)
Receiver: RXRDY flag (receiver-buffer register is ready to receive another character), BRKDT flag
(break condition occurred), and RX ERROR flag (monitoring four interrupt conditions)
D Separate enable bits for transmitter and receiver interrupts (except BRKDT)
D NRZ (non-return-to-zero) format
D Ten SCI module control registers located in the control register frame beginning at address 7050h
NOTE: All registers in this module are 8-bit registers that are connected to the 16-bit peripheral bus. When a register is accessed, the
register data is in the lower byte (7 0), and the upper byte (15 8) is read as zeros. Writing to the upper byte has no effect.
Figure 14 shows the SCI module block diagram.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMS320LF2407APGEA | 制造商:Texas Instruments 功能描述:16BIT DSP FLASH SMD 320LF2407 |
| TMS320LF2407APGEG4 | 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC 16-Bit Fixed-Pt DSP with Flash RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
| TMS320LF2407APGES | 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC 16-Bit Univ Bus Drv With 3-State Outputs RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT |
| TMS320LF2407PGES | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TMS320M640AGNZ4 | 制造商:Texas Instruments 功能描述:TMS320DM640 548PIN FCBGA PG2.0 - Trays |
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