lecNew-17-Review-2

lecNew-17-Review-2 - WPI ECE2801 Foundations of Embedded...

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WPI ECE2801 Foundations of Embedded Computer Systems Lecture 17: Review II: Clock, Timer, ADC, SPI
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EE2801: Foundations of Embedded Systems Lecture 17 MSP430F449 Peripherals 6 Digital I/O Ports FLL/System Clock module 4 Timers ADC (8 channel 12 BIT) 2 USARTs (SPI) Op amps Comparator Flash memory controller LCD Controller DMA controller Hardware Multiplier
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EE2801: Foundations of Embedded Systems Lecture 17 Clock Module Three clock sources Low Frequency Crystal Clock (LFXT1CLK): 32768HZ . Crystal 2 Clock (XT2CLK): 8MHZ . Digitally Controlled Oscillator Clock (DCOCLK) Four clock signals Master Clock (MCLK) Submain Clock (SMCLK) Auxiliary Clock (ACLK) Buffered output of the ACLK (ACLK/n)
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EE2801: Foundations of Embedded Systems Lecture 24
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EE2801: Foundations of Embedded Systems Lecture 17 Clock Module Given the values in the register, be able to determine clock signal’s frequency. Three clock sources:
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This note was uploaded on 10/12/2009 for the course ECE 2801 taught by Professor Jarvis during the Spring '08 term at WPI.

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lecNew-17-Review-2 - WPI ECE2801 Foundations of Embedded...

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