![NXP Semiconductors LPC43Sxx Скачать руководство пользователя страница 1423](http://html1.mh-extra.com/html/nxp-semiconductors/lpc43sxx/lpc43sxx_user-manual_17218271423.webp)
UM10503
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2015. All rights reserved.
User manual
Rev. 2.1 — 10 December 2015
1423 of 1441
NXP Semiconductors
UM10503
Chapter 54: Supplementary information
BASE_USB1_CLK control register . . . . . . . . 191
registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
13.6.14 BASE_OUT_CLK register . . . . . . . . . . . . . . 193
13.6.15 BASE_AUDIO_CLK
register. . . . . . . . . . . . . 194
BASE_CGU_OUT1_CLK register. . . . . . . . . 195
Functional description . . . . . . . . . . . . . . . . . 196
32 kHz oscillator . . . . . . . . . . . . . . . . . . . . . . 196
IRC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Crystal oscillator . . . . . . . . . . . . . . . . . . . . . . 196
PLL0 (PLL0USB and PLL0AUDIO) . . . . . . . 196
13.7.4.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
13.7.4.2 PLL0 description . . . . . . . . . . . . . . . . . . . . . . 197
13.7.4.3 Use of PLL0 operating modes . . . . . . . . . . . 198
13.7.4.3.1 Normal Mode . . . . . . . . . . . . . . . . . . . . . . . . 198
13.7.4.3.2 Mode 1a: Normal operating mode without
post-divider and without pre-divider . . . . . . . 199
13.7.4.3.3 Mode 1b: Normal operating mode with
post-divider and without pre-divider . . . . . . . 199
13.7.4.3.4 Mode 1c: Normal operating mode without
post-divider and with pre-divider. . . . . . . . . . 199
13.7.4.3.5 Mode 1d: Normal operating mode with
post-divider and with pre-divider. . . . . . . . . . 200
Fractional divider for PLL0AUDIO . . . . . . . . 200
PLL1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
13.7.6.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
13.7.6.2 PLL1 description . . . . . . . . . . . . . . . . . . . . . 202
13.7.6.3 Lock detector . . . . . . . . . . . . . . . . . . . . . . . . 202
13.7.6.4 Power-down control . . . . . . . . . . . . . . . . . . . 202
13.7.6.5 Selectable
divider clock . . . . . . . . 203
13.7.6.8 Frequency selection. . . . . . . . . . . . . . . . . . . 203
Integer mode . . . . . . . . . . . . . . . . . . . . . . . . . 203
Non-integer mode . . . . . . . . . . . . . . . . . . . . . 204
Direct mode . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Power-down mode . . . . . . . . . . . . . . . . . . . . . 204
Example CGU configurations . . . . . . . . . . . 205
Programming the CGU for Deep-sleep and
Power-down modes . . . . . . . . . . . . . . . . . . . 205
PLL0USB settings for USB applications . . . 205
PLL0AUDIO settings for audio applications. 206
13.8.4.1 Using the fractional divider. . . . . . . . . . . . . . 206
13.8.4.1.1 Bypassing the fractional divider . . . . . . . . . . 208
Chapter 14: LPC43xx/LPC43Sxx Clock Control Unit (CCU)
How to read this chapter . . . . . . . . . . . . . . . . 210
Basic configuration . . . . . . . . . . . . . . . . . . . . 210
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
General description . . . . . . . . . . . . . . . . . . . . 210
Register description . . . . . . . . . . . . . . . . . . . 213
Power mode register . . . . . . . . . . . . . . . . . . 217
Base clock status register . . . . . . . . . . . . . . 217
CCU1/2 branch clock configuration registers 219
CCU1/2 branch clock status registers . . . . . 221
Chapter 15: LPC43xx/LPC43Sxx Reset Generation Unit (RGU)
How to read this chapter . . . . . . . . . . . . . . . . 223
Basic configuration . . . . . . . . . . . . . . . . . . . . 223
General description . . . . . . . . . . . . . . . . . . . . 223
Reset hierarchy . . . . . . . . . . . . . . . . . . . . . . 226
Register overview . . . . . . . . . . . . . . . . . . . . . 227
RGU reset control register . . . . . . . . . . . . . . 230
RGU reset status register . . . . . . . . . . . . . . . 233
RGU reset active status register. . . . . . . . . . 240
Reset external status registers . . . . . . . . . . . 244
15.4.4.1 Reset external status register 1 for
PERIPH_RST . . . . . . . . . . . . . . . . . . . . . . . . 245
15.4.4.2 Reset external status register 2 for
MASTER_RST. . . . . . . . . . . . . . . . . . . . . . . 245
15.4.4.3 Reset external status register 5 for
CREG_RST . . . . . . . . . . . . . . . . . . . . . . . . . 245
15.4.4.4 Reset external status registers for
PERIPHERAL_RESET . . . . . . . . . . . . . . . . 246
15.4.4.5 Reset external status registers for
MASTER_RESET . . . . . . . . . . . . . . . . . . . . 246
Functional description . . . . . . . . . . . . . . . . . 246
Determine the cause of a core reset . . . . . . 246
Chapter 16: LPC43xx/LPC43Sxx Pin configuration
How to read this chapter . . . . . . . . . . . . . . . . 248
Pin description . . . . . . . . . . . . . . . . . . . . . . . 248
16.2.1 LPC4350/30/20/10/LPC43S50/S30/S20 Pin
description . . . . . . . . . . . . . . . . . . . . . . . . . . 248
LPC4370/LPC43S70 Pin description . . . . . . 300
description . . . . . . . . . . . . . . . . . . . . . . . . . . 349