LPC2478FBD208,551 NXP Semiconductors, LPC2478FBD208,551 Datasheet - Page 375
LPC2478FBD208,551
Manufacturer Part Number
LPC2478FBD208,551
Description
IC ARM7 MCU 512K LCD 208-LQFP
Manufacturer
NXP Semiconductors
Series
LPC2400r
Datasheets
1.OM11077.pdf
(91 pages)
2.OM11077.pdf
(792 pages)
3.OM11077.pdf
(10 pages)
4.LPC2478FBD208551.pdf
(89 pages)
Specifications of LPC2478FBD208,551
Program Memory Type
FLASH
Program Memory Size
512KB (512K x 8)
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
Ram Size
96K 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/IrDA/SPI/SSP/UART/USB
Maximum Clock Frequency
72 MHz
Number Of Programmable I/os
160
Number Of Timers
4
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2, DK-35TS-LPC2478, DK-57TS-LPC2478, DK-57VTS-LPC2478, SOMDIMM-LPC2478, SAB-TFBGA208, KSK-LPC2478-JL, MCB2470
Development Tools By Supplier
OM11015, OM11019, OM11022
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
On-chip Dac
1-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
622-1034 - PROGRAMMERS, DEVELOPMENT SYSTEMS622-1033 - KIT LCD TOUCH 5.7" FOR LPC2478MCB2470 - BOARD EVAL NXP LPC247X SERIESOM11022 - EVAL LPC-STICK WITH LPC2478OM11019 - BOARD EVAL FOR LPC2478568-4742 - MODULE DIMM LPC2478 ARM7568-4741 - KIT LCD TOUCH 5.7" FOR LPC2478622-1028 - KIT LCD TOUCH 5.7" FOR LPC2478KSDKLPC2478-PL - KIT IAR KICKSTART NXP LPC2478622-1024 - BOARD SCKT ADAPTER FOR TFBGA208568-4369 - BOARD EVAL FOR LPC2478622-1005 - USB IN-CIRCUIT PROG ARM7 LPC2K
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
568-4363
935284069551
LPC2478FBD208-S
935284069551
LPC2478FBD208-S
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LPC2478FBD208,551
Manufacturer:
NXP Semiconductors
Quantity:
10 000
Part Number:
LPC2478FBD208,551
Manufacturer:
NXP/恩智浦
Quantity:
20 000
- OM11077 PDF datasheet
- OM11077 PDF datasheet #2
- OM11077 PDF datasheet #3
- LPC2478FBD208551 PDF datasheet #4
- Current page: 375 of 792
- Download datasheet (5Mb)
NXP Semiconductors
UM10237_4
User manual
Fig 48. UDCA Head register and DMA Descriptors
UDCA HEAD
REGISTER
14.2 USB device communication area
14.3 Triggering the DMA engine
UDCA
DDP-EP16
DDP-EP31
The CPU and DMA controller communicate through a common area of memory, called the
USB Device Communication Area, or UDCA. The UDCA is a 32-word array of DMA
Descriptor Pointers (DDPs), each of which corresponds to a physical endpoint. Each DDP
points to the start address of a DMA Descriptor, if one is defined for the endpoint. DDPs
for unrealized endpoints and endpoints disabled for DMA operation are ignored and can
be set to a NULL (0x0) value.
The start address of the UDCA is stored in the USBUDCAH register. The UDCA can
reside at any 128-byte boundary of RAM that is accessible to both the CPU and DMA
controller.
Figure 13–48
register and DMA Descriptors.
An endpoint raises a DMA request when Slave mode is disabled by setting the
corresponding bit in the USBEpIntEn register to 0
interrupt occurs (see
- 0xFFE0
A DMA transfer for an endpoint starts when the endpoint is enabled for DMA operation in
USBEpDMASt, the corresponding bit in USBDMARSt is set, and a valid DD is found for
the endpoint.
All endpoints share a single DMA channel to minimize hardware overhead. If more than
one DMA request is active in USBDMARSt, the endpoint with the lowest physical endpoint
number is processed first.
DDP-EP2
0
1
2
16
31
C250)”).
illustrates the UDCA and its relationship to the UDCA Head (USBUDCAH)
NULL
NULL
NULL
Section 13–9.8.1 “USB DMA Request Status register (USBDMARSt
Rev. 04 — 26 August 2009
Next_DD_pointer
Next_DD_pointer
DD-EP16-a
DD-EP2-a
Chapter 13: LPC24XX USB device controller
Next_DD_pointer
Next_DD_pointer
DD-EP16-b
DD-EP2-b
(Section
13–9.4.2) and an endpoint
NULL
Next_DD_pointer
DD-EP2-c
UM10237
© NXP B.V. 2009. All rights reserved.
375 of 792
NULL
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