LPC2470FBD208,551 NXP Semiconductors, LPC2470FBD208,551 Datasheet - Page 109
![IC ARM7 MCU LCD 208-LQFP](/photos/12/13/121391/208-lqfp_sot459-1_pkg_sml.jpg)
LPC2470FBD208,551
Manufacturer Part Number
LPC2470FBD208,551
Description
IC ARM7 MCU LCD 208-LQFP
Manufacturer
NXP Semiconductors
Series
LPC2400r
Datasheets
1.OM11077.pdf
(792 pages)
2.LPC2470FET208551.pdf
(89 pages)
3.LPC2470FET208551.pdf
(91 pages)
Specifications of LPC2470FBD208,551
Package / Case
208-LQFP
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, LCD, POR, PWM, WDT
Number Of I /o
160
Program Memory Type
ROMless
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
Processor Series
LPC24
Core
ARM7TDMI-S
Data Bus Width
16 bit, 32 bit
Data Ram Size
98 KB
Interface Type
CAN/I2C/I2S/SPI/SSP/UART/USB
Maximum Clock Frequency
72 MHz
Number Of Programmable I/os
160
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2, MCB2470U
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
On-chip Dac
1-ch x 10-bit
Package
208LQFP
Device Core
ARM7TDMI-S
Family Name
LPC2000
Maximum Speed
72 MHz
Operating Supply Voltage
3.3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
568-4361-5
935284068551
LPC2470FBD208-S
935284068551
LPC2470FBD208-S
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LPC2470FBD208,551
Manufacturer:
NXP Semiconductors
Quantity:
10 000
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1. Features
2. Description
3. Register description
UM10237_4
User manual
The ARM processor core has two interrupt inputs called Interrupt Request (IRQ) and Fast
Interrupt reQuest (FIQ). The Vectored Interrupt Controller (VIC) takes 32 interrupt request
inputs and programmably assigns them as FIQ or vectored IRQ types. The programmable
assignment scheme means that priorities of interrupts from the various peripherals can be
dynamically assigned and adjusted.
Fast Interrupt reQuest (FIQ) requests have the highest priority. If more than one request is
assigned to FIQ, the VIC ORs the requests to produce the FIQ signal to the ARM
processor. The fastest possible FIQ latency is achieved when only one request is
classified as FIQ, because then the FIQ service routine can simply start dealing with that
device. But if more than one request is assigned to the FIQ class, the FIQ service routine
can read a word from the VIC that identifies which FIQ source(s) is (are) requesting an
interrupt.
Vectored IRQ’s, which include all interrupt requests that are not classified as FIQs, have a
programmable interrupt priority. When more than one interrupt is assigned the same
priority and occur simultaneously, the one connected to the lowest numbered VIC channel
(see
The VIC ORs the requests from all of the vectored IRQs to produce the IRQ signal to the
ARM processor. The IRQ service routine can start by reading a register from the VIC and
jumping to the address supplied by that register.
The VIC implements the registers shown in
follow.
•
•
•
•
•
•
•
•
UM10237
Chapter 7: LPC24XX Vectored Interrupt Controller (VIC)
Rev. 04 — 20 August 2009
ARM PrimeCell Vectored Interrupt Controller
Mapped to AHB address space for fast access
Supports 32 vectored IRQ interrupts
16 programmable interrupt priority levels
Fixed hardware priority within each programmable priority level
Hardware priority level masking
Any input can be assigned as an FIQ interrupt
Software interrupt generation
Table 7–116 on page
Rev. 04 — 20 August 2009
116) will be serviced first.
Table
7–102. More detailed descriptions
© NXP B.V. 2009. All rights reserved.
User manual
109 of 792
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