LPC2470FBD208,551 NXP Semiconductors, LPC2470FBD208,551 Datasheet - Page 72
![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
- Current page: 72 of 792
- Download datasheet (5Mb)
NXP Semiconductors
6. Low-power operation
UM10237_4
User manual
5.4.2 Read buffers
5.5 Memory controller state machine
The write buffers are flushed whenever:
Note: For dynamic memory, the smallest buffer flush is a quadword of data. For static
memory, the smallest buffer flush is a byte of data.
Read buffers are used to:
Read buffer operation:
A buffer filled by performing a read from memory is marked as not-dirty (not containing
write data) and its contents are not flushed back to the memory controller unless a
subsequent AHB transfer performs a write that hits the buffer.
The memory controller state machine comprises a static memory controller and a dynamic
memory controller.
In many systems, the contents of the memory system have to be maintained during
low-power sleep modes. The EMC provides a mechanism to place the dynamic memories
into self-refresh mode.
•
•
•
•
•
•
•
If the buffers are enabled, an AHB write operation writes into the Least Recently Used
(LRU) buffer, if empty.
If the LRU buffer is not empty, the contents of the buffer are flushed to memory to
make space for the AHB write data.
If a buffer contains write data it is marked as dirty, and its contents are written to
memory before the buffer can be reallocated.
The memory controller state machine is not busy performing accesses to external
memory.
The memory controller state machine is not busy performing accesses to external
memory, and an AHB interface is writing to a different buffer.
Buffer read requests from memory. Future read requests that hit the buffer read the
data from the buffer rather than memory, reducing transaction latency.
Convert all read transactions into quadword bursts on the external memory interface.
This enhances transfer efficiency for dynamic memory.
Reduce external memory traffic. This improves memory bandwidth and reduces
power consumption.
If the buffers are enabled and the read data is contained in one of the buffers, the read
data is provided directly from the buffer.
If the read data is not contained in a buffer, the LRU buffer is selected. If the buffer is
dirty (contains write data), the write data is flushed to memory. When an empty buffer
is available the read command is posted to the memory.
Rev. 04 — 26 August 2009
Chapter 5: LPC24XX External Memory Controller (EMC)
UM10237
© NXP B.V. 2009. All rights reserved.
72 of 792
Related parts for LPC2470FBD208,551
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![LPC2470](/images/manufacturer_photos/0/4/487/nxp_semiconductors_tmb.jpg)
Part Number:
Description:
NXP Semiconductors designed the LPC2470 microcontroller, powered by theARM7TDMI-S core, to be a highly integrated microcontroller for a wide range ofapplications that require advanced communications and high quality graphic displays
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC2420_60](/images/manufacturer_photos/0/4/487/nxp_semiconductors_tmb.jpg)
Part Number:
Description:
NXP Semiconductors designed the LPC2420/2460 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC2458](/photos/41/52/415299/sot570-3_3d_tmb.gif)
Part Number:
Description:
NXP Semiconductors designed the LPC2458 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC2468](/images/manufacturer_photos/0/4/487/nxp_semiconductors_tmb.jpg)
Part Number:
Description:
NXP Semiconductors designed the LPC2468 microcontroller around a 16-bit/32-bitARM7TDMI-S CPU core with real-time debug interfaces that include both JTAG andembedded trace
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC2478](/images/manufacturer_photos/0/4/487/nxp_semiconductors_tmb.jpg)
Part Number:
Description:
NXP Semiconductors designed the LPC2478 microcontroller, powered by theARM7TDMI-S core, to be a highly integrated microcontroller for a wide range ofapplications that require advanced communications and high quality graphic displays
Manufacturer:
NXP Semiconductors
Datasheet:
![XA-G30](/images/manufacturer_photos/0/4/487/nxp_semiconductors_tmb.jpg)
Part Number:
Description:
The Philips Semiconductors XA (eXtended Architecture) family of 16-bit single-chip microcontrollers is powerful enough to easily handle the requirements of high performance embedded applications, yet inexpensive enough to compete in the market for hi
Manufacturer:
NXP Semiconductors
Datasheet:
![XA-G37](/photos/41/52/415289/sot187-2_3d_tmb.gif)
Part Number:
Description:
The Philips Semiconductors XA (eXtended Architecture) family of 16-bit single-chip microcontrollers is powerful enough to easily handle the requirements of high performance embedded applications, yet inexpensive enough to compete in the market for hi
Manufacturer:
NXP Semiconductors
Datasheet:
![XA-S3](/images/manufacturer_photos/0/4/487/nxp_semiconductors_tmb.jpg)
Part Number:
Description:
The XA-S3 device is a member of Philips Semiconductors? XA(eXtended Architecture) family of high performance 16-bitsingle-chip microcontrollers
Manufacturer:
NXP Semiconductors
Datasheet:
![LH75401_LH75411_N](/photos/41/52/415297/sot486-1_3d_tmb.gif)
Part Number:
Description:
The NXP BlueStreak LH75401/LH75411 family consists of two low-cost 16/32-bit System-on-Chip (SoC) devices
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC3130_3131](/photos/41/52/415299/sot570-3_3d_tmb.gif)
Part Number:
Description:
The NXP LPC3130/3131 combine an 180 MHz ARM926EJ-S CPU core, high-speed USB2
Manufacturer:
NXP Semiconductors
Datasheet:
![LPC3141FET180](/photos/41/52/415299/sot570-3_3d_tmb.gif)
Part Number:
Description:
The NXP LPC3141 combine a 270 MHz ARM926EJ-S CPU core, High-speed USB 2
Manufacturer:
NXP Semiconductors
![LPC3143FET180](/photos/41/52/415299/sot570-3_3d_tmb.gif)
Part Number:
Description:
The NXP LPC3143 combine a 270 MHz ARM926EJ-S CPU core, High-speed USB 2
Manufacturer:
NXP Semiconductors
![LPC3152FET208](/photos/41/53/415307/sot930-1_3d_tmb.gif)
Part Number:
Description:
The NXP LPC3152 combines an 180 MHz ARM926EJ-S CPU core, High-speed USB 2
Manufacturer:
NXP Semiconductors
![LPC3154FET208](/photos/41/53/415307/sot930-1_3d_tmb.gif)
Part Number:
Description:
The NXP LPC3154 combines an 180 MHz ARM926EJ-S CPU core, High-speed USB 2
Manufacturer:
NXP Semiconductors
![BUK714R1-40BT](/photos/41/53/415317/sot426_3d_tmb.gif)
Part Number:
Description:
Standard level N-channel enhancement mode Field-Effect Transistor (FET) in a plastic package using NXP High-Performance Automotive (HPA) TrenchMOS technology
Manufacturer:
NXP Semiconductors
Datasheet: