OM13008,598 NXP Semiconductors, OM13008,598 Datasheet - Page 153

• Manufacturer Part Number: OM13008,598
• Description: BOARD LPC XPRESSO LPC122X
• Manufacturer: NXP Semiconductors
• Series: LPCXpressor

Specifications of OM13008,598

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-6642; OM13008

NXP Semiconductors
UM10441
User manual
Fig 8.
Pick another FR
the range [1.1, 1.9]
Algorithm for setting UART dividers
All information provided in this document is subject to legal disclaimers.
est
Rev. 1.1 — 10 March 2011
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
Chapter 9: LPC122x UART0 with modem control
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]
True
[7:0]
False
est
est
)
est
)
est
)
))
True
DIVADDVAL = 0
MULVAL = 1
UM10441
© NXP B.V. 2011. All rights reserved.
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