LPC1111FHN33/102'5 NXP Semiconductors, LPC1111FHN33/102'5 Datasheet - Page 210

• Manufacturer Part Number: LPC1111FHN33/102'5
• Description: ARM Microcontrollers - MCU CORTEX-M0 8 KB FL 4 KB SRAM
• Manufacturer: NXP Semiconductors

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

NXP Semiconductors
UM10398
User manual
Fig 34. Algorithm for setting UART dividers
Pick another FR
the range [1.1, 1.9]
All information provided in this document is subject to legal disclaimers.
est
Rev. 12 — 24 September 2012
from
False
DL
FR
est
DIVADDVAL = table(FR
est
= Int(PCLK/(16 x BR x FR
DL
MULVAL = table(FR
= PCLK/(16 x BR x DL
Calculating UART
est
1.1 < FR
DLM = DL
DLL = DL
baudrate (BR)
= PCLK/(16 x BR)
FR
DL
integer?
PCLK,
est
est
End
BR
est
= 1.5
is an
est
est
< 1.9?
[15:8]
Chapter 13: LPC111x/LPC11Cxx UART
True
[7:0]
False
est
est
)
est
)
est
)
))
True
DIVADDVAL = 0
MULVAL = 1
UM10398
© NXP B.V. 2012. All rights reserved.
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