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MSC1200 Datasheet(PDF) 54 Page - Texas Instruments |
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MSC1200 Datasheet(HTML) 54 Page - Texas Instruments |
54 / 60 page MSC1200 54 SBAS289E www.ti.com PSEN4-0 PSEN Mode Select. Defines the output on P3.6 in User Application mode or Serial Flash Programming mode. bits 7-3 00000: General-Purpose I/O (default) 00001: SYSCLK 00011: Internal PSEN (refer to Figure 3 for timing) 00101: Internal ALE (refer to Figure 3 for timing) 00111: fOSC(buffered XIN oscillator clock) 01001: Memory WR (MOVX write) 01011: T0 Out (overflow)(1) 01101: T1 Out (overflow)(1) 01111: fMOD(2) 10001: SYSCLK/2 (toggles on rising edge)(2) 10011: Internal PSEN/2(2) 10101: Internal ALE/2(2) 10111: fOSC/2(2) 11001: Memory WR/2 (MOVX write)(2) 11011: T0 Out/2 (overflow)(2) 11101: T1 Out/2 (overflow)(2) 11111: fMOD/2(2) NOTES: (1) On period of these signals equal to tCLK. (2) Duty cycle is 50%. 7 6 5 4 3 2 1 0 Reset Value SFR F1H PDICLK PDIDAC PDI2C 0 PDADC PDWDT PDSPI PDSPI 6FH Turning peripheral modules off puts the MSC1200 in the lowest power mode. PDICLK Internal Clock Control. bit 7 0 = Internal Oscillator and PLL On (Internal Oscillator or PLL mode) 1 = Internal Oscillator and PLL Power Down (External Clock mode) PDIDAC IDAC Control. bit 6 0 = IDAC On 1 = IDAC Power Down (default) PDI2C I2C Control. bit 5 0 = I2C On (only when PDSPI = 1) 1 = I2C Power Down (default) PDADC ADC Control. bit 3 0 = ADC On 1 = ADC, VREF, and Summation registers are powered down (default). PDWDT Watchdog Timer Control. bit 2 0 = Watchdog Timer On 1 = Watchdog Timer Power Down (default) PDST System Timer Control. bit 1 0 = System Timer On 1 = System Timer Power Down (default) PDSPI SPI Control. bit 0 0 = SPI System On 1 = SPI System Power Down (default) PSEN /ALE Select (PASEL) 7 6 5 4 3 2 1 0 Reset Value SFR F2H PSEN4 PSEN3 PSEN2 PSEN1 PSEN0 0 0 0 00H Power-Down Control Register (PDCON) |
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