NXP Semiconductors /LPC176x5x /SYSCON /PCLKSEL0

Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text

Interpret as PCLKSEL0

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (CCLK_DIV_4)PCLK_WDT 0 (CCLK_DIV_4)PCLK_TIMER0 0 (CCLK_DIV_4)PCLK_TIMER1 0 (CCLK_DIV_4)PCLK_UART0 0 (CCLK_DIV_4)PCLK_UART1 0RESERVED 0 (CCLK_DIV_4)PCLK_PWM1 0 (CCLK_DIV_4)PCLK_I2C0 0 (CCLK_DIV_4)PCLK_SPI 0RESERVED 0 (CCLK_DIV_4)PCLK_SSP1 0 (CCLK_DIV_4)PCLK_DAC 0 (CCLK_DIV_4)PCLK_ADC 0 (CCLK_DIV_4)PCLK_CAN1 0 (CCLK_DIV_4)PCLK_CAN2 0 (CCLK_DIV_4)PCLK_ACF

PCLK_CAN2=CCLK_DIV_4, PCLK_UART0=CCLK_DIV_4, PCLK_TIMER1=CCLK_DIV_4, PCLK_ACF=CCLK_DIV_4, PCLK_SSP1=CCLK_DIV_4, PCLK_TIMER0=CCLK_DIV_4, PCLK_ADC=CCLK_DIV_4, PCLK_CAN1=CCLK_DIV_4, PCLK_I2C0=CCLK_DIV_4, PCLK_WDT=CCLK_DIV_4, PCLK_DAC=CCLK_DIV_4, PCLK_SPI=CCLK_DIV_4, PCLK_PWM1=CCLK_DIV_4, PCLK_UART1=CCLK_DIV_4

Description

Peripheral Clock Selection register 0.

Fields

PCLK_WDT

Peripheral clock selection for WDT.

0 (CCLK_DIV_4): CCLK div 4. PCLK_peripheral = CCLK/4

1 (CCLK): CCLK. PCLK_peripheral = CCLK

2 (CCLK_DIV_2): CCLK div 2. PCLK_peripheral = CCLK/2

3 (CCLK_DIV_8): CCLK div 8. PCLK_peripheral = CCLK/8

PCLK_TIMER0

Peripheral clock selection for TIMER0.

0 (CCLK_DIV_4): CCLK div 4. PCLK_peripheral = CCLK/4

1 (CCLK): CCLK. PCLK_peripheral = CCLK

2 (CCLK_DIV_2): CCLK div 2. PCLK_peripheral = CCLK/2

3 (CCLK_DIV_8): CCLK div 8. PCLK_peripheral = CCLK/8

PCLK_TIMER1

Peripheral clock selection for TIMER1.

0 (CCLK_DIV_4): CCLK div 4. PCLK_peripheral = CCLK/4

1 (CCLK): CCLK. PCLK_peripheral = CCLK

2 (CCLK_DIV_2): CCLK div 2. PCLK_peripheral = CCLK/2

3 (CCLK_DIV_8): CCLK div 8. PCLK_peripheral = CCLK/8

PCLK_UART0

Peripheral clock selection for UART0.

0 (CCLK_DIV_4): CCLK div 4. PCLK_peripheral = CCLK/4

1 (CCLK): CCLK. PCLK_peripheral = CCLK

2 (CCLK_DIV_2): CCLK div 2. PCLK_peripheral = CCLK/2

3 (CCLK_DIV_8): CCLK div 8. PCLK_peripheral = CCLK/8

PCLK_UART1

Peripheral clock selection for UART1.

0 (CCLK_DIV_4): CCLK div 4. PCLK_peripheral = CCLK/4

1 (CCLK): CCLK. PCLK_peripheral = CCLK

2 (CCLK_DIV_2): CCLK div 2. PCLK_peripheral = CCLK/2

3 (CCLK_DIV_8): CCLK div 8. PCLK_peripheral = CCLK/8

RESERVED

Reserved.

PCLK_PWM1

Peripheral clock selection for PWM1.

0 (CCLK_DIV_4): CCLK div 4. PCLK_peripheral = CCLK/4

1 (CCLK): CCLK. PCLK_peripheral = CCLK

2 (CCLK_DIV_2): CCLK div 2. PCLK_peripheral = CCLK/2

3 (CCLK_DIV_8): CCLK div 8. PCLK_peripheral = CCLK/8

PCLK_I2C0

Peripheral clock selection for I2C0.

0 (CCLK_DIV_4): CCLK div 4. PCLK_peripheral = CCLK/4

1 (CCLK): CCLK. PCLK_peripheral = CCLK

2 (CCLK_DIV_2): CCLK div 2. PCLK_peripheral = CCLK/2

3 (CCLK_DIV_8): CCLK div 8. PCLK_peripheral = CCLK/8

PCLK_SPI

Peripheral clock selection for SPI.

0 (CCLK_DIV_4): CCLK div 4. PCLK_peripheral = CCLK/4

1 (CCLK): CCLK. PCLK_peripheral = CCLK

2 (CCLK_DIV_2): CCLK div 2. PCLK_peripheral = CCLK/2

3 (CCLK_DIV_8): CCLK div 8. PCLK_peripheral = CCLK/8

RESERVED

Reserved.

PCLK_SSP1

Peripheral clock selection for SSP1.

0 (CCLK_DIV_4): CCLK div 4. PCLK_peripheral = CCLK/4

1 (CCLK): CCLK. PCLK_peripheral = CCLK

2 (CCLK_DIV_2): CCLK div 2. PCLK_peripheral = CCLK/2

3 (CCLK_DIV_8): CCLK div 8. PCLK_peripheral = CCLK/8

PCLK_DAC

Peripheral clock selection for DAC.

0 (CCLK_DIV_4): CCLK div 4. PCLK_peripheral = CCLK/4

1 (CCLK): CCLK. PCLK_peripheral = CCLK

2 (CCLK_DIV_2): CCLK div 2. PCLK_peripheral = CCLK/2

3 (CCLK_DIV_8): CCLK div 8. PCLK_peripheral = CCLK/8

PCLK_ADC

Peripheral clock selection for ADC.

0 (CCLK_DIV_4): CCLK div 4. PCLK_peripheral = CCLK/4

1 (CCLK): CCLK. PCLK_peripheral = CCLK

2 (CCLK_DIV_2): CCLK div 2. PCLK_peripheral = CCLK/2

3 (CCLK_DIV_8): CCLK div 8. PCLK_peripheral = CCLK/8

PCLK_CAN1

Peripheral clock selection for CAN1.PCLK_CAN1 and PCLK_CAN2 must have the same PCLK divide value when the CAN function is used.

0 (CCLK_DIV_4): CCLK div 4. PCLK_peripheral = CCLK/4

1 (CCLK): CCLK. PCLK_peripheral = CCLK

2 (CCLK_DIV_2): CCLK div 2. PCLK_peripheral = CCLK/2

3 (CCLK_DIV_6): CCLK div 6. PCLK_peripheral = CCLK/6.

PCLK_CAN2

Peripheral clock selection for CAN2.PCLK_CAN1 and PCLK_CAN2 must have the same PCLK divide value when the CAN function is used.

0 (CCLK_DIV_4): CCLK div 4. PCLK_peripheral = CCLK/4

1 (CCLK): CCLK. PCLK_peripheral = CCLK

2 (CCLK_DIV_2): CCLK div 2. PCLK_peripheral = CCLK/2

3 (CCLK_DIV_6): CCLK div 6. PCLK_peripheral = CCLK/6,

PCLK_ACF

Peripheral clock selection for CAN acceptance filtering.PCLK_CAN1 and PCLK_CAN2 must have the same PCLK divide value when the CAN function is used.

0 (CCLK_DIV_4): CCLK div 4. PCLK_peripheral = CCLK/4

1 (CCLK): CCLK. PCLK_peripheral = CCLK

2 (CCLK_DIV_2): CCLK div 2. PCLK_peripheral = CCLK/2

3 (CCLK_DIV_6): CCLK div 6. PCLK_peripheral = CCLK/6

Links

()