LPC2458FET180,551 NXP Semiconductors, LPC2458FET180,551 Datasheet - Page 440
LPC2458FET180,551
Manufacturer Part Number
LPC2458FET180,551
Description
IC ARM7 MCU FLASH 512K 180TFBGA
Manufacturer
NXP Semiconductors
Series
LPC2400r
Specifications of LPC2458FET180,551
Core Processor
ARM7
Core Size
16/32-Bit
Speed
72MHz
Connectivity
CAN, EBI/EMI, Ethernet, I²C, Microwire, MMC, SPI, SSI, SSP, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
136
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
98K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
180-TFBGA
Processor Series
LPC24
Core
ARM7TDMI-S
Data Bus Width
32 bit
Data Ram Size
98 KB
Interface Type
CAN, Ethernet, I2C, I2S, IrDA, SPI, SSP, UART, USB
Maximum Clock Frequency
72 MHz
Number Of Programmable I/os
136
Number Of Timers
4
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2, SAB-TFBGA180
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
On-chip Dac
10 bit, 1 Channel
Package
180TFBGA
Device Core
ARM7TDMI-S
Family Name
LPC2000
Maximum Speed
72 MHz
For Use With
622-1023 - BOARD SCKT ADAPTER FOR TFBGA180622-1005 - USB IN-CIRCUIT PROG ARM7 LPC2K
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
568-4258
935282454551
LPC2458FET180-S
935282454551
LPC2458FET180-S
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LPC2458FET180,551
Manufacturer:
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Quantity:
1 103
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Part Number:
LPC2458FET180,551
Manufacturer:
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UM10237_4
User manual
4.12.1.1 Example 1: PCLK = 14.7456 MHz, BR = 9600
4.12.1.2 Example 2: PCLK = 12 MHz, BR = 115200
4.13 UARTn Transmit Enable Register (U0TER - 0xE000 C030, U2TER -
Table 393. Fractional Divider setting look-up table
According to the the provided algorithm DL
9600) = 96. Since this DL
DLM = 0, and DLL = 96.
According to the the provided algorithm DL
= 6.51. This DL
parameter. Using an initial estimate of FR
is recalculated as FR
and 1.9, DIVADDVAL and MULVAL values can be obtained from the attached look-up
table.
The closest value for FRest = 1.628 in the look-up
equivalent to DIVADDVAL = 5 and MULVAL = 8.
Based on these findings, the suggested UART setup would be: DLM = 0, DLL = 4,
DIVADDVAL = 5, and MULVAL = 8. According to
rate has a relative error of 0.16% from the originally specified 115200.
0xE007 8030, U3TER - 0xE007 C030)
LPC2400’s UnTER enables implementation of software flow control. When TXEn=1,
UARTn transmitter will keep sending data as long as they are available. As soon as TXEn
becomes 0, UARTn transmission will stop.
FR
1.000
1.067
1.071
1.077
1.083
1.091
1.100
1.111
1.125
1.133
1.143
1.154
1.167
1.182
1.200
1.214
1.222
1.231
DivAddVal/
MulVal
0/1
1/15
1/14
1/13
1/12
1/11
1/10
1/9
1/8
2/15
1/7
2/13
1/6
2/11
1/5
3/14
2/9
3/13
est
is not an integer number and the next step is to estimate the FR
est
Rev. 04 — 26 August 2009
FR
1.250
1.267
1.273
1.286
1.300
1.308
1.333
1.357
1.364
1.375
1.385
1.400
1.417
1.429
1.444
1.455
1.462
1.467
= 1.628. Since FRest = 1.628 is within the specified range of 1.1
est
is an integer number, DIVADDVAL = 0, MULVAL = 1,
DivAddVal/
MulVal
1/4
4/15
3/11
2/7
3/10
4/13
1/3
5/14
4/11
3/8
5/13
2/5
5/12
3/7
4/9
5/11
6/13
7/15
est
est
est
= 1.5 a new DL
FR
1.500
1.533
1.538
1.545
1.556
1.571
1.583
1.600
1.615
1.625
1.636
1.643
1.667
1.692
1.700
1.714
1.727
1.733
= PCLK/(16 x BR) = 12 MHz / (16 x 115200)
= PCLK/(16 x BR) = 14.7456 MHz / (16 x
Equation 16–2
Table 16–393
DivAddVal/
MulVal
1/2
8/15
7/13
6/11
5/9
4/7
7/12
3/5
8/13
5/8
7/11
9/14
2/3
9/13
7/10
5/7
8/11
11/15
Chapter 16: LPC24XX UART0/2/3
est
= 4 is calculated and FR
UART’s is 115384. This
is FR = 1.625. It is
FR
1.750
1.769
1.778
1.786
1.800
1.818
1.833
1.846
1.857
1.867
1.875
1.889
1.900
1.909
1.917
1.923
1.929
1.933
UM10237
© NXP B.V. 2009. All rights reserved.
DivAddVal/
MulVal
3/4
10/13
7/9
11/14
4/5
9/11
5/6
11/13
6/7
13/15
7/8
8/9
9/10
10/11
11/12
12/13
13/14
14/15
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