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MSP430F1612 Datasheet(PDF) 17 Page - Texas Instruments |
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MSP430F1612 Datasheet(HTML) 17 Page - Texas Instruments |
17 / 70 page MSP430x15x, MSP430x16x, MSP430x161x MIXED SIGNAL MICROCONTROLLER SLAS368D− OCTOBER 2002− REVISED MARCH 2005 17 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 USART0 The MSP430x15x and the MSP430x16x(x) have one hardware universal synchronous/asynchronous receive transmit (USART0) peripheral module that is used for serial data communication. The USART supports synchronous SPI (3 or 4 pin), asynchronous UART and I2C communication protocols using double-buffered transmit and receive channels. The I2C support is compliant with the Philips I2C specification version 2.1 and supports standard mode (up to 100 kbps) and fast mode (up to 400 kbps). In addition, 7-bit and 10-bit device addressing modes are supported, as well as master and slave modes. The USART0 also supports 16-bit-wide I2C data transfers and has two dedicated DMA channels to maximize bus throughput. Extensive interrupt capability is also given in the I2C mode. USART1 (MSP430x16x/161x Only) The MSP430x16x(x) devices have a second hardware universal synchronous/asynchronous receive transmit (USART1) peripheral module that is used for serial data communication. The USART supports synchronous SPI (3 or 4 pin) and asynchronous UART communication protocols, using double-buffered transmit and receive channels. With the exception of I2C support, operation of USART1 is identical to USART0. timer_A3 Timer_A3 is a 16-bit timer/counter with three capture/compare registers. Timer_A3 can support multiple capture/compares, PWM outputs, and interval timing. Timer_A3 also has extensive interrupt capabilities. Interrupts may be generated from the counter on overflow conditions and from each of the capture/compare registers. Timer_A3 Signal Connections Input Pin Number Device Input Signal Module Input Name Module Block Module Output Signal Output Pin Number 12 - P1.0 TACLK TACLK ACLK ACLK SMCLK SMCLK Timer NA 21 - P2.1 TAINCLK INCLK 13 - P1.1 TA0 CCI0A 13 - P1.1 22 - P2.2 TA0 CCI0B 17 - P1.5 DVSS GND CCR0 TA0 27 - P2.7 DVCC VCC 14 - P1.2 TA1 CCI1A 14 - P1.2 CAOUT (internal) CCI1B 18 - P1.6 DVSS GND CCR1 TA1 23 - P2.3 DVCC VCC ADC12 (internal) 15 - P1.3 TA2 CCI2A 15 - P1.3 ACLK (internal) CCI2B 19 - P1.7 DVSS GND CCR2 TA2 24 - P2.4 DVCC VCC timer_B3 (MSP430x15x Only) Timer_B3 is a 16-bit timer/counter with three capture/compare registers. Timer_B3 can support multiple capture/compares, PWM outputs, and interval timing. Timer_B3 also has extensive interrupt capabilities. Interrupts may be generated from the counter on overflow conditions and from each of the capture/compare registers. |
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