NXP Semiconductors /LPC43xx /CGU /IDIVB_CTRL

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Interpret as IDIVB_CTRL

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 (ENABLED)PD 0 (RESERVED)RESERVED 0IDIV0 (RESERVED)RESERVED0 (DISABLED)AUTOBLOCK 0 (RESERVED)RESERVED0 (32_KHZ_OSCILLATOR)CLK_SEL0 (RESERVED)RESERVED

PD=ENABLED, CLK_SEL=32_KHZ_OSCILLATOR, AUTOBLOCK=DISABLED

Description

Integer divider B control register

Fields

PD

Integer divider power down

0 (ENABLED): Enabled. IDIV enabled (default)

1 (POWER_DOWN): Power-down

RESERVED

Reserved

IDIV

Integer divider B, C, D divider values (1/(IDIV + 1)) 0000 = 1 (default) 0001 = 2 … 1111 = 16

RESERVED

Reserved

AUTOBLOCK

Block clock automatically during frequency change

0 (DISABLED): Disabled. Autoblocking disabled

1 (ENABLED): Enabled. Autoblocking enabled

RESERVED

Reserved

CLK_SEL

Clock-source selection. All other values are reserved.

0 (32_KHZ_OSCILLATOR): 32 kHz oscillator

1 (IRC_DEFAULT): IRC (default)

2 (ENET_RX_CLK): ENET_RX_CLK

3 (ENET_TX_CLK): ENET_TX_CLK

4 (GP_CLKIN): GP_CLKIN

6 (CRYSTAL_OSCILLATOR): Crystal oscillator

8 (PLL0AUDIO): PLL0AUDIO

9 (PLL1): PLL1

12 (IDIVA): IDIVA

RESERVED

Reserved

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