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MSP430F123IDW Datasheet(PDF) 2 Page - Texas Instruments |
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MSP430F123IDW Datasheet(HTML) 2 Page - Texas Instruments |
2 / 34 page MSP430x12x MIXED SIGNAL MICROCONTROLLER SLAS312A – JULY 2001 – REVISED MARCH 2003 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 description (continued) The MSP430F12x series is an ultralow-power mixed signal microcontroller with a built-in 16-bit timer and twenty-two I/O pins.The MSP430F12x series also has a built-in communication capability using asynchronous (UART) and synchronous (SPI) protocols in addition to a versatile analog comparator. Typical applications include sensor systems that capture analog signals, convert them to digital values, and then process the data and display them or transmit them to a host system. Stand alone RF sensor front end is another area of application. The I/O port inputs provide single slope A/D conversion capability on resistive sensors. AVAILABLE OPTIONS PACKAGED DEVICES TA PLASTIC 28-PIN SOWB (DW) PLASTIC 28-PIN TSSOP (PW) ° ° MSP430F122IDW MSP430F122IPW – 40 °C to 85°C MSP430F122IDW MSP430F123IDW MSP430F122IPW MSP430F123IPW functional block diagram ACLK SMCLK Power-on- Reset I/O Port P1 CPU Incl. 16 Reg. Test JTAG Bus Conv MAB, MDB, MAB, 4 Bit MDB, 8 Bit MCB XIN XOUT VCC VSS RST/NMI P1.0–7 DCOR ACLK P2.0 / ACLK Rosc TEST Outx MCLK ACLK SMCLK Outx CCIx CCIx TACLK INCLK INCLK Out0 CCI0 JTAG CCIxA TACLK SMCLK I/O Port P2 6 I/O’s All With 8 Interrupt Capabililty Comparator_A Input Multiplexer RC Filtered O/P Internal Vref Analog Switch P2.1 / INCLK P2.2 / CAOUT/TA0 P2.5 / Rosc P2.4 / CA1/TA2 P2.3 / CA0/TA1 CCI1 + Flash INFO 4KB/8KB Flash 8 I/O’s, All With Interrupt Capabililty P1.0–7 8 P3.0-7 I/O Port P3 256B RAM Watchdog Timer 15/16 Bit or CCI1 USART UART Mode SPI Mode Timer_A 3 CC CCR0/1/2 x = 0, 1, 2 Register 16 Bit 16 bit Oscillator System Clock |
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