LPC1837FET256,551 NXP Semiconductors, LPC1837FET256,551 Datasheet - Page 1114

• 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
42.10.7.4 Interrupt handling
If several interrupts are pending, the CAN Interrupt Register will point to the pending
interrupt with the highest priority, disregarding their chronological order. An interrupt
remains pending until the CPU has cleared it.
Fig 176. Reading a message from the FIFO buffer to the message buffer
INTID = 0x8000 ?
interrupt handling
status change
All information provided in this document is subject to legal disclaimers.
yes
Rev. 00.13 — 20 July 2011
write MessageNum to CANIFx_CMDREQ
MessageNum = MessageNum +1
read message to message buffer
read data from CANIFx_DA/B
MessageNum = INTID
read CANIFx_MCTRL
reset NEWDAT = 0
reset INTPND = 0
INTID = 0x0001
NEWDAT = 1
read CANIR
to 0x0020 ?
EOB = 1
START
no
yes
yes
no
yes
INTID = 0x0000 ?
END
Chapter 42: Appendix
UM10430
yes
© NXP B.V. 2011. All rights reserved.
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