LPC1837FET256,551 NXP Semiconductors, LPC1837FET256,551 Datasheet - Page 25

• Manufacturer Part Number: LPC1837FET256,551
• Description: Microcontrollers (MCU) 32BIT ARM CORTEX-M3 MCU 136KB SRAM
• Manufacturer: NXP Semiconductors
• Series: LPC18xxr

Specifications of LPC1837FET256,551

• Core: ARM Cortex M3
• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 150MHz
• Connectivity: CAN, EBI/EMI, Ethernet, I²C, Microwire, SD/MMC, SPI, SSI, SSP, UART/USART, USB OTG
• Peripherals: Brown-out Detect/Reset, DMA, I²S, Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 80
• Program Memory Size: 1MB (1M x 8)
• Program Memory Type: FLASH
• Eeprom Size: -
• Ram Size: 136K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 16x10b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 256-LBGA
• Lead Free Status / Rohs Status: Details
• Other names: 935293795551

NXP Semiconductors
<Document ID>
User manual
Fig 9.
UART 0
LPC 18 xx RESET
boot
BOOT _ SRC = 1
or pins = 0
Boot process
set Shadow Pointer
BOOT _ SRC = 9
= 0 x 1000 0000
copy image to
decrypt image
AES capable
read Header
= 0
and CMAC
SRAM and
CMAC tag
valid tag ?
calculate
in SRAM
or pins = 8
active ?
UART 3
yes
yes
boot
P 2 _ 9 , P 2 _ 8 , P 1 _ 2 ,
check pins
no
P 1 _ 1
BOOT _ SRC = 6
no
or pins = 5
CPU clock
12 MHz
= IRC
set Shadow Pointer
USB 1
boot
= 0 x 1000 0000
copy image to
development
Header ?
valid
mode ?
SRAM
> 9
= 1
= 1 .. 4 , 7
yes
= 0
BOOT _ SRC = 7
yes
or pins = 6
All information provided in this document is subject to legal disclaimers.
check BOOT _ SRC
no
USB 2
no
boot
CPU clock
= 6 .. 7 , 9
= PLL 1
disable
96 MHz
IRQ &
MPU
Rev. 00.13 — 20 July 2011
60 s timeout
toggle pin
Reset
P 1 _ 1
> 10
boot
SPI
= 2 .. 5 , 8
BOOT _ SRC = 8
or pins = 7
capable and
yes
load AES
key > 0 ?
AES
key
yes
Header ?
Header
SPIFI
read
valid
boot
BOOT _SRC = 2
or pins = 1
no
set Shadow Pointer
= boot address
no
EMC 8 b
enable
JTAG
boot
Chapter 3: LPC18xx Boot ROM
4 of
BOOT _ SRC = 3
or pins = 2
EMC 16 b
boot
BOOT _ SRC = 4
or pins = 3
UM10430
© NXP B.V. 2011. All rights reserved.
EMC 32 b
boot
BOOT _ SRC = 5
or pins = 4
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