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TMS370C040ANT Datasheet(PDF) 5 Page - Texas Instruments |
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TMS370C040ANT Datasheet(HTML) 5 Page - Texas Instruments |
5 / 69 page TMS370Cx4x 8-BIT MICROCONTROLLER SPNS016C -- NOVEMBER 1992 -- REVISED FEBRUARY 1997 5 POST OFFICE BOX 1443 HOUSTON, TEXAS 77251--1443 description (continued) The SE370C742A has a windowed ceramic package to allow reprogramming of the program EPROM memory during the development/prototyping phase of design. The SE370C742A device allows quick updates to breadboards and prototype systems while iterating initial designs. The TMS370Cx4x family provides two low-power modes (STANDBY and HALT) for applications where low-power consumption is critical. Both modes stop all central processing unit (CPU) activity (that is, no instructions are executed). In the STANDBY mode, the internal oscillator and the general-purpose timer remain active. In the HALT mode, all device activity is stopped. The device retains all RAM data and peripheral configuration bits throughout both low-power modes. The TMS370Cx4x features advanced register-to-register architecture that allows arithmetic and logical operations without requiring an accumulator (e.g., ADD R24, R47; add the contents of register 24 to the contents of register 47 and store the result in register 47). The TMS370Cx4x family is fully instruction-set-compatible, allowing easy transition between members of the TMS370 8-bit microcontroller family. The TMS370Cx4x family offers an 8-channel ADC1 with 8-bit accuracy for the 44-pin PLCC packages and also offers a 4-channel ADC1 for the 40-pin DIP packages. The 33-s conversion time at 5-MHz SYSCLK and the variable sample period, combined with selectable positive reference voltage sources, turn analog signals into digital data. The serial communications interface 1 (SCI1) module is a built-in serial interface that can be programmed to be asynchronous or isosynchronous to give two methods of serial communications. The SCI allows standard RS-232-C communications with other common data transmission equipment. The CPU takes no part in serial communications except to write data to be transmitted to a register and to read data received from a register. The TMS370Cx4x family provides the system designer with very economical, efficient solutions to real-time control applications. The TMS370 family extended development system (XDS) and compact development tool (CDT) solve the challenge of efficiently developing the software and hardware required to design the TMS370Cx4x into an ever-increasing number of complex applications. The application source code can be written in assembly and C languages, and the output code can be generated by the linker. The TMS370 family XDS communicates through a standard RS-232-C interface with a personal computer, allowing use of the personal computer editors and software utilities already familiar to the designer. The TMS370 family XDS emphasizes ease-of-use through extensive use of menus and screen windowing so that a system designer with minimal training can begin developing software. Precise real-time in-circuit emulation and extensive symbolic debug and analysis tools ensure efficient software and hardware implementation, as well as reduced time-to-market cycle. The TMS370Cx4x family together with the TMS370 family XDS, CDT370, starter kit, software tools, the SE370C742A reprogrammable devices, comprehensive product documentation, and customer support provide a complete solution for the needs of the system designer. XDS and CDT are trademarks of Texas Instruments Incorporated. |
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