LPC2470FBD208,551 NXP Semiconductors, LPC2470FBD208,551 Datasheet - Page 248
![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
9.2 AHB interface
9.3 Interrupts
9.4 Direct Memory Access (DMA)
data buffer and receive status is returned in the receive descriptor status word. Optionally
an interrupt can be generated to notify software that a packet has been received. Note
that the DMA manager will prefetch and buffer up to three descriptors.
The registers of the Ethernet block connect to an AHB slave interface to allow access to
the registers from the CPU.
The AHB interface has a 32 bit data path, which supports only word accesses and has an
address aperture of 4 kB.
All AHB write accesses to registers are posted except for accesses to the IntSet, IntClear
and IntEnable registers. AHB write operations are executed in order.
If the PowerDown bit of the PowerDown register is set, all AHB read and write accesses
will return a read or write error except for accesses to the PowerDown register.
Bus Errors
The Ethernet block generates errors for several conditions:
The Ethernet block has a single interrupt request output to the CPU (via the Vectored
Interrupt Controller).
The interrupt service routine must read the IntStatus register to determine the origin of the
interrupt. All interrupt statuses can be set by software writing to the IntSet register;
statuses can be cleared by software writing to the IntClear register.
The transmit and receive datapaths can only set interrupt statuses, they cannot clear
statuses. The SoftInt interrupt cannot be set by hardware and can be used by software for
test purposes.
Descriptor arrays
The Ethernet block includes two DMA managers. The DMA managers make it possible to
transfer frames directly to and from memory with little support from the processor and
without the need to trigger an interrupt for each frame.
•
•
The AHB interface will return a read error when there is an AHB read access to a
write-only register; likewise a write error is returned when there is an AHB write
access to the read-only register. An AHB read or write error will be returned on AHB
read or write accesses to reserved registers. These errors are propagated back to the
CPU. Registers defined as read-only and write-only are identified in
If the PowerDown bit is set all accesses to AHB registers will result in an error
response except for accesses to the PowerDown register.
Rev. 04 — 26 August 2009
Table 11–186
lists the registers of the Ethernet block.
Chapter 11: LPC24XX Ethernet
UM10237
© NXP B.V. 2009. All rights reserved.
Table
11–186.
248 of 792
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