Datasheet

UM10398 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2014. All rights reserved.
User manual Rev. 12.3 — 10 June 2014 25 of 547
NXP Semiconductors
UM10398
Chapter 3: LPC111x/LPC11Cxx System configuration (SYSCON)
SYSOSCCTRL R/W 0x020 System oscillator control 0x000 Table 12
WDTOSCCTRL R/W 0x024 Watchdog oscillator control 0x000 Table 13
IRCCTRL R/W 0x028 IRC control 0x080 Table 14
- - 0x02C Reserved - -
SYSRSTSTAT R/W 0x030 System reset status register 0x000 Table 15
- - 0x034 - 0x03C Reserved - -
SYSPLLCLKSEL R/W 0x040 System PLL clock source select 0x000 Table 16
SYSPLLCLKUEN R/W 0x044 System PLL clock source update enable 0x000 Table 17
- - 0x048 - 0x06C Reserved - -
MAINCLKSEL R/W 0x070 Main clock source select 0x000 Table 18
MAINCLKUEN R/W 0x074 Main clock source update enable 0x000 Table 19
SYSAHBCLKDIV R/W 0x078 System AHB clock divider 0x001 Table 20
- - 0x07C Reserved - -
SYSAHBCLKCTRL R/W 0x080 System AHB clock control 0x85F Table 21
- - 0x084 - 0x090 Reserved - -
SSP0CLKDIV R/W 0x094 SPI0 clock divider 0x000 Table 22
UARTCLKDIV R/W 0x098 UART clock divider 0x000 Table 23
SSP1CLKDIV R/W 0x09C SPI1 clock divider 0x000 Table 24
- - 0x0A0-0x0CC Reserved - -
WDTCLKSEL R/W 0x0D0 WDT clock source select 0x000 Table 25
WDTCLKUEN R/W 0x0D4 WDT clock source update enable 0x000 Table 26
WDTCLKDIV R/W 0x0D8 WDT clock divider 0x000 Table 27
- - 0x0DC Reserved - -
CLKOUTCLKSEL R/W 0x0E0 CLKOUT clock source select 0x000 Table 28
CLKOUTUEN R/W 0x0E4 CLKOUT clock source update enable 0x000 Table 29
CLKOUTCLKDIV R/W 0x0E8 CLKOUT clock divider 0x000 Table 30
- - 0x0EC - 0x0FC Reserved - -
PIOPORCAP0 R 0x100 POR captured PIO status 0 user
dependent
Table 31
PIOPORCAP1 R 0x104 POR captured PIO status 1 user
dependent
Table 32
- R 0x108 - 0x14C Reserved - -
BODCTRL R/W 0x150 BOD control 0x000 Table 33
SYSTCKCAL R/W 0x154 System tick counter calibration 0x004 Table 34
- - 0x158 - 0x16C Reserved - -
IRQLATENCY R/W 0x170 IQR delay. Allows trade-off between
interrupt latency and determinism.
0x10 Table 35
NMISRC R/W 0x174 NMI source selection 0x000 Table 36
- - 0x178 - 0x1FC Reserved - -
STARTAPRP0 R/W 0x200 Start logic edge control register 0 Table 37
STARTERP0 R/W 0x204 Start logic signal enable register 0 Table 38
Table 7. Register overview: system control block (base address 0x4004 8000) …continued
Name Access Address offset Description Reset
value
Reference