OM13013,598 NXP Semiconductors, OM13013,598 Datasheet - Page 54
![no-image](/images/manufacturer_photos/0/4/487/nxp_semiconductors_sml.jpg)
OM13013,598
Manufacturer Part Number
OM13013,598
Description
BOARD DEMO IAR LPC1227 JLINKLITE
Manufacturer
NXP Semiconductors
Series
-r
Specifications of OM13013,598
Design Resources
LPC122x-SK Brd Schematic
Processor To Be Evaluated
LPC1227
Processor Series
LPC122x
Data Bus Width
32 bit
Interface Type
UART, SSP, SPI, I2C
Cpu Core
ARM Cortex-M0
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Operating Supply Voltage
3 V to 3.6 V
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
568-6885
- Current page: 54 of 442
- Download datasheet (3Mb)
NXP Semiconductors
UM10441
User manual
4.10.4.1 Normal mode
4.10.4 Frequency selection
The PLL frequency equations use the following parameters (also see
Table 53.
In normal mode the post divider is enabled, giving a 50% duty cycle clock with the
following frequency relations:
To select the appropriate values for M and P, it is recommended to follow these steps:
Table 54.
Parameter
FCLKIN
FCCO
FCLKOUT
P
M
PLL input
clock
sys_pllclkin
(Fclkin)
12 MHz
12 MHz
12 MHz
1. Specify the input clock frequency Fclkin.
2. Calculate M to obtain the desired output frequency Fclkout with M = F
3. Find a value so that FCCO = 2 × P × F
4. Verify that all frequencies and divider values conform to the limits specified in
5. Ensure that FCLKOUT < 100 MHz.
Table
10.
PLL frequency parameters
PLL configuration examples
Main clock
(Fclkout)
<tbd>
<tbd>
24 MHz
All information provided in this document is subject to legal disclaimers.
System PLL
Frequency of sys_pllclkin (input clock to the system PLL) from the
SYSPLLCLKSEL multiplexer (see
Frequency of the Current Controlled Oscillator (CCO); 156 to 320 MHz.
Frequency of sys_pllclkout. FCLKOUT must be < 100 MHz.
System PLL post divider ratio; PSEL bits in SYSPLLCTRL (see
System PLL feedback divider register; MSEL bits in SYSPLLCTRL (see
Section
Fclkout
Rev. 1 — 15 February 2011
4.5.3).
MSEL bits
Table 10
<tbd>
<tbd>
00001 (binary)
=
M
×
Fclkin
Chapter 4: LPC122x System control (SYSCON)
clkout
M divider
value
<tbd>
<tbd>
2
=
(
.
FCCO
Section
PSEL bits
Table 10
<tbd>
<tbd>
10 (binary)
)
⁄
(
4.5.9).
2
×
P
)
P divider
value
<tbd>
<tbd>
4
Figure
UM10441
© NXP B.V. 2011. All rights reserved.
clkout
Section
3):
FCCO
frequency
<tbd>
<tbd>
192 MHz
/ F
clkin
54 of 442
4.5.3).
.
(1)
Related parts for OM13013,598
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![LPC2420_60](/images/manufacturer_photos/0/4/487/nxp_semiconductors_tmb.jpg)
Part Number:
Description:
NXP Semiconductors designed the LPC2420/2460 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC2458](/photos/41/52/415299/sot570-3_3d_tmb.gif)
Part Number:
Description:
NXP Semiconductors designed the LPC2458 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC2468](/images/manufacturer_photos/0/4/487/nxp_semiconductors_tmb.jpg)
Part Number:
Description:
NXP Semiconductors designed the LPC2468 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC2470](/images/manufacturer_photos/0/4/487/nxp_semiconductors_tmb.jpg)
Part Number:
Description:
NXP Semiconductors designed the LPC2470 microcontroller, powered by theARM7TDMI-S core, to be a highly integrated microcontroller for a wide range ofapplications that require advanced communications and high quality graphic displays
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC2478](/images/manufacturer_photos/0/4/487/nxp_semiconductors_tmb.jpg)
Part Number:
Description:
NXP Semiconductors designed the LPC2478 microcontroller, powered by theARM7TDMI-S core, to be a highly integrated microcontroller for a wide range ofapplications that require advanced communications and high quality graphic displays
Manufacturer:
NXP Semiconductors
Datasheet:
![XA-G30](/images/manufacturer_photos/0/4/487/nxp_semiconductors_tmb.jpg)
Part Number:
Description:
The Philips Semiconductors XA (eXtended Architecture) family of 16-bit single-chip microcontrollers is powerful enough to easily handle the requirements of high performance embedded applications, yet inexpensive enough to compete in the market for hi
Manufacturer:
NXP Semiconductors
Datasheet:
![XA-G37](/photos/41/52/415289/sot187-2_3d_tmb.gif)
Part Number:
Description:
The Philips Semiconductors XA (eXtended Architecture) family of 16-bit single-chip microcontrollers is powerful enough to easily handle the requirements of high performance embedded applications, yet inexpensive enough to compete in the market for hi
Manufacturer:
NXP Semiconductors
Datasheet:
![XA-S3](/images/manufacturer_photos/0/4/487/nxp_semiconductors_tmb.jpg)
Part Number:
Description:
The XA-S3 device is a member of Philips Semiconductors? XA(eXtended Architecture) family of high performance 16-bitsingle-chip microcontrollers
Manufacturer:
NXP Semiconductors
Datasheet:
![LH75401_LH75411_N](/photos/41/52/415297/sot486-1_3d_tmb.gif)
Part Number:
Description:
The NXP BlueStreak LH75401/LH75411 family consists of two low-cost 16/32-bit System-on-Chip (SoC) devices
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC3130_3131](/photos/41/52/415299/sot570-3_3d_tmb.gif)
Part Number:
Description:
The NXP LPC3130/3131 combine an 180 MHz ARM926EJ-S CPU core, high-speed USB2
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC3141FET180](/photos/41/52/415299/sot570-3_3d_tmb.gif)
Part Number:
Description:
The NXP LPC3141 combine a 270 MHz ARM926EJ-S CPU core, High-speed USB 2
Manufacturer:
NXP Semiconductors
![LPC3143FET180](/photos/41/52/415299/sot570-3_3d_tmb.gif)
Part Number:
Description:
The NXP LPC3143 combine a 270 MHz ARM926EJ-S CPU core, High-speed USB 2
Manufacturer:
NXP Semiconductors
![LPC3152FET208](/photos/41/53/415307/sot930-1_3d_tmb.gif)
Part Number:
Description:
The NXP LPC3152 combines an 180 MHz ARM926EJ-S CPU core, High-speed USB 2
Manufacturer:
NXP Semiconductors
![LPC3154FET208](/photos/41/53/415307/sot930-1_3d_tmb.gif)
Part Number:
Description:
The NXP LPC3154 combines an 180 MHz ARM926EJ-S CPU core, High-speed USB 2
Manufacturer:
NXP Semiconductors
![BUK714R1-40BT](/photos/41/53/415317/sot426_3d_tmb.gif)
Part Number:
Description:
Standard level N-channel enhancement mode Field-Effect Transistor (FET) in a plastic package using NXP High-Performance Automotive (HPA) TrenchMOS technology
Manufacturer:
NXP Semiconductors
Datasheet: