LPC1111FHN33/102'5 NXP Semiconductors, LPC1111FHN33/102'5 Datasheet - Page 61
LPC1111FHN33/102'5
Manufacturer Part Number
LPC1111FHN33/102'5
Description
ARM Microcontrollers - MCU CORTEX-M0 8 KB FL 4 KB SRAM
Manufacturer
NXP Semiconductors
Datasheet
1.LPC1113FHN333035.pdf
(538 pages)
Specifications of LPC1111FHN33/102'5
Rohs
yes
Core
ARM Cortex M0
Processor Series
LPC1111
Data Bus Width
32 bit
Maximum Clock Frequency
50 MHz
On-chip Adc
Yes
Operating Supply Voltage
1.8 V to 3.6 V
Operating Temperature Range
- 65 C to + 150 C
Mounting Style
SMD/SMT
Interface Type
I2C, SPI, UART
Number Of Programmable I/os
42
Number Of Timers
4
Program Memory Type
Flash
Factory Pack Quantity
4000
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5.6 Power routine
UM10398
User manual
Fig 13. Power profiles usage
5.6.1 set_power
The above code specifies a 12 MHz PLL input clock, a system clock of approximately
16.5 MHz and no locking time-out. set_pll returns PLL_CMD_SUCCESS in result[0] and
16000 in result[1]. The new system clock is 16 MHz.
This routine configures the device’s internal power control settings according to the calling
arguments. The goal is to reduce active power consumption while maintaining the feature
of interest to the application close to its optimum.
Remark: The set_power routine was designed for systems employing the configuration of
SYSAHBCLKDIV = 1 (System clock divider register, see
this routine in an application with the system clock divider not equal to 1 might not improve
microcontroller’s performance as much as in setups when the main clock and the system
clock are running at the same rate.
set_power returns a result code that reports whether the power setting was successfully
changed or not.
All information provided in this document is subject to legal disclaimers.
custom code to change system clock
use either clocking routine call or
from current_clock to new_clock
Rev. 12 — 24 September 2012
using power profiles and
changing system clock
new_clock , new_mode
use power routine call
use power routine call
to change mode to
to change mode to
current_clock,
new_mode
DEFAULT
end
Chapter 5: LPC111x/LPC11Cxx Power profiles
Table 20
and
UM10398
Figure
© NXP B.V. 2012. All rights reserved.
12). Using
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