LPC2470FBD208,551 NXP Semiconductors, LPC2470FBD208,551 Datasheet - Page 750
![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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NXP Semiconductors
UM10237_4
User manual
3.2 How RealMonitor works
In general terms, the RealMonitor operates as a state machine, as shown in
Figure
packets received by the host, or due to asynchronous events on the target. RMTarget
supports the triggering of only one breakpoint, watchpoint, stop, or semihosting SWI at a
time. There is no provision to allow nested events to be saved and restored. So, for
example, if user application has stopped at one breakpoint, and another breakpoint
occurs in an IRQ handler, RealMonitor enters a panic state. No debugging can be
performed after RealMonitor enters this state.
A debugger such as the ARM eXtended Debugger (AXD) or other RealMonitor aware
debugger, that runs on a host computer, can connect to the target to send commands and
receive data. This communication between host and target is illustrated in
The target component of RealMonitor, RMTarget, communicates with the host component,
RMHost, using the Debug Communications Channel (DCC), which is a reliable link whose
data is carried over the JTAG connection.
While user application is running, RMTarget typically uses IRQs generated by the DCC.
This means that if user application also wants to use IRQs, it must pass any
DCC-generated interrupts to RealMonitor.
To allow nonstop debugging, the EmbeddedICE-RT logic in the processor generates a
Prefetch Abort exception when a breakpoint is reached, or a Data Abort exception when a
watchpoint is hit. These exceptions are handled by the RealMonitor exception handlers
that inform the user, by way of the debugger, of the event. This allows user application to
continue running without stopping the processor. RealMonitor considers user application
to consist of two parts:
Fig 150. RealMonitor as a State Machine
•
•
A foreground application running continuously, typically in User, System, or SVC
mode
A background application containing interrupt and exception handlers that are
triggered by certain events in user system, including:
– IRQs or FIQs
– Data and Prefetch aborts caused by user foreground application. This indicates an
35–150. RealMonitor switches between running and stopped states, in response to
error in the application being debugged. In both cases the host is notified and the
user application is stopped.
RUNNING
Rev. 04 — 26 August 2009
SWI abort
undef
stop
go
STOPPED
Chapter 35: LPC24XX RealMonitor
SWI abort
undef
UM10237
© NXP B.V. 2009. All rights reserved.
PANIC
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