NXP Semiconductors /LPC176x5x /SYSCON /PCLKSEL1

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Interpret as PCLKSEL1

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_QEI 0 (CCLK_DIV_4)PCLK_GPIOINT 0 (CCLK_DIV_4)PCLK_PCB 0 (CCLK_DIV_4)PCLK_I2C1 0RESERVED 0 (CCLK_DIV_4)PCLK_SSP0 0 (CCLK_DIV_4)PCLK_TIMER2 0 (CCLK_DIV_4)PCLK_TIMER3 0 (CCLK_DIV_4)PCLK_UART2 0 (CCLK_DIV_4)PCLK_UART3 0 (CCLK_DIV_4)PCLK_I2C2 0 (CCLK_DIV_4)PCLK_I2S 0RESERVED 0 (CCLK_DIV_4)PCLK_RIT 0 (CCLK_DIV_4)PCLK_SYSCON 0 (CCLK_DIV_4)PCLK_MC

PCLK_TIMER3=CCLK_DIV_4, PCLK_SYSCON=CCLK_DIV_4, PCLK_I2S=CCLK_DIV_4, PCLK_UART2=CCLK_DIV_4, PCLK_TIMER2=CCLK_DIV_4, PCLK_GPIOINT=CCLK_DIV_4, PCLK_RIT=CCLK_DIV_4, PCLK_I2C2=CCLK_DIV_4, PCLK_SSP0=CCLK_DIV_4, PCLK_PCB=CCLK_DIV_4, PCLK_MC=CCLK_DIV_4, PCLK_QEI=CCLK_DIV_4, PCLK_UART3=CCLK_DIV_4, PCLK_I2C1=CCLK_DIV_4

Description

Peripheral Clock Selection register 1.

Fields

PCLK_QEI

Peripheral clock selection for the Quadrature Encoder Interface.

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_GPIOINT

Peripheral clock selection for GPIO interrupts.

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_PCB

Peripheral clock selection for the Pin Connect block.

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_I2C1

Peripheral clock selection for I2C1.

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_SSP0

Peripheral clock selection for SSP0.

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_TIMER2

Peripheral clock selection for TIMER2.

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_TIMER3

Peripheral clock selection for TIMER3.

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_UART2

Peripheral clock selection for UART2.

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_UART3

Peripheral clock selection for UART3.

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_I2C2

Peripheral clock selection for I2C2.

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_I2S

Peripheral clock selection for I2S.

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_RIT

Peripheral clock selection for Repetitive Interrupt Timer.

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_SYSCON

Peripheral clock selection for the System Control block.

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_MC

Peripheral clock selection for the Motor Control PWM.

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

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