9 years ago.

how do i know which peripherals are used in the pins

hi i want to power save using lpc1768

i want to know which peripheral is used for :

Peripheral Power Control Register

  • Bit Name Description Value at Reset
  • 0 - Reserved. NA
  • 1 PCTIM0 Timer/Counter 0 power/clock control bit. 1
  • 2 PCTIM1 Timer/Counter 1 power/clock control bit. 1
  • 3 PCUART0 UART0 power/clock control bit. 1
  • 4 PCUART1 UART1 power/clock control bit. 1
  • 5 - Reserved. NA
  • 6 PCPWM1 PWM1 power/clock control bit. 1
  • 7 PCI2C0 The I2C0 interface power/clock control bit. 1
  • 8 PCSPI The SPI interface power/clock control bit. 1
  • 9 PCRTC The RTC power/clock control bit. 1
  • 10 PCSSP1 The SSP 1 interface power/clock control bit. 1
  • 11 - Reserved. NA
  • 12 PCADC A/D converter (ADC) power/clock control bit. 0
  • 13 PCCAN1 CAN Controller 1 power/clock control bit. 0
  • 14 PCCAN2 CAN Controller 2 power/clock control bit. 0
  • 15 PCGPIO Power/clock control bit for IOCON, GPIO, and GPIO interrupts. 1
  • 16 PCRIT Repetitive Interrupt Timer power/clock control bit. 0
  • 17 PCMCPWM Motor Control PWM 0
  • 18 PCQEI Quadrature Encoder Interface power/clock control bit. 0
  • 19 PCI2C1 The I2C1 interface power/clock control bit. 1
  • 20 - Reserved. NA
  • 21 PCSSP0 The SSP0 interface power/clock control bit. 1
  • 22 PCTIM2 Timer 2 power/clock control bit. 0
  • 23 PCTIM3 Timer 3 power/clock control bit. 0
  • 24 PCUART2 UART 2 power/clock control bit. 0
  • 25 PCUART3 UART 3 power/clock control bit. 0
  • 26 PCI2C2 I2C interface 2 power/clock control bit. 1
  • 27 PCI2S I2S interface power/clock control bit. 0
  • 28 - Reserved. NA
  • 29 PCGPDMA GPDMA function power/clock control bit. 0
  • 30 PCENET Ethernet block power/clock control bit. 0
  • 31 PCUSB USB interface power/clock control bit. 0
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