LPC1759FBD80,551 NXP Semiconductors, LPC1759FBD80,551 Datasheet - Page 337
LPC1759FBD80,551
Manufacturer Part Number
LPC1759FBD80,551
Description
IC ARM CORTEX MCU 512K 80-LQFP
Manufacturer
NXP Semiconductors
Series
LPC17xxr
Datasheets
1.LPC1751FBD80551.pdf
(74 pages)
2.LPC1767FBD100551.pdf
(2 pages)
3.LPC1767FBD100551.pdf
(840 pages)
Specifications of LPC1759FBD80,551
Program Memory Type
FLASH
Program Memory Size
512KB (512K x 8)
Package / Case
80-LQFP
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
120MHz
Connectivity
CAN, I²C, IrDA, Microwire, SPI, SSI, SSP, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, DMA, I²S, Motor Control PWM, POR, PWM, WDT
Number Of I /o
52
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 3.6 V
Data Converters
A/D 6x12b, D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
LPC17
Core
ARM Cortex M3
Data Bus Width
32 bit
Data Ram Size
64 KB
Interface Type
Ethernet, USB, OTG, CAN
Maximum Clock Frequency
120 MHz
Number Of Programmable I/os
52
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
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 6 Channel
On-chip Dac
10 bit
Package
80LQFP
Device Core
ARM Cortex M3
Family Name
LPC17xx
Maximum Speed
120 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
622-1005 - USB IN-CIRCUIT PROG ARM7 LPC2K
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
568-4968
935290523551
935290523551
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NXP Semiconductors
UM10360
User manual
15.4.16.1.1 Example 1: PCLK = 14.7456 MHz, BR = 9600
15.4.16.1.2 Example 2: PCLK = 12 MHz, BR = 115200
15.4.17 UART1 Transmit Enable Register (U1TER - 0x4001 0030)
Table 306. Fractional Divider setting look-up table
According to the provided algorithm DL
= 96. Since this DL
DLL = 96.
According to 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
This rate has a relative error of 0.16% from the originally specified 115200.
In addition to being equipped with full hardware flow control (auto-cts and auto-rts
mechanisms described above), U1TER enables implementation of software flow control,
too. When TxEn=1, UART1 transmitter will keep sending data as long as they are
available. As soon as TxEn becomes 0, UART1 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
All information provided in this document is subject to legal disclaimers.
is not an integer number and the next step is to estimate the FR
est
est
is an integer number, DIVADDVAL = 0, MULVAL = 1, DLM = 0, and
Rev. 2 — 19 August 2010
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
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
= PCLK/(16 x BR) = 14.7456 MHz / (16 x 9600)
= PCLK/(16 x BR) = 12 MHz / (16 x 115200) =
= 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
Equation 4
Table 306
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 15: LPC17xx UART1
est
the UART rate is 115384.
is FR = 1.625. It is
= 4 is calculated and FR
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
UM10360
© NXP B.V. 2010. 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
337 of 840
est
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