LPC2478FBD208,551 NXP Semiconductors, LPC2478FBD208,551 Datasheet - Page 665
![IC ARM7 MCU 512K LCD 208-LQFP](/photos/12/13/121391/208-lqfp_sot459-1_pkg_sml.jpg)
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
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- Download datasheet (5Mb)
NXP Semiconductors
UM10237_4
User manual
4.4 Watchdog Timer Value Register (WDTV - 0xE000 000C)
4.5 Watchdog Timer Clock Source Selection Register (WDCLKSEL -
errors. After writing 0xAA to WDFEED, access to any Watchdog register other than writing
0x55 to WDFEED causes an immediate reset/interrupt when the Watchdog is enabled.
The reset will be generated during the second PCLK following an incorrect access to a
Watchdog register during a feed sequence.
Interrupts should be disabled during the feed sequence. An abort condition will occur if an
interrupt happens during the feed sequence.
Table 588: Watchdog Feed Register (WDFEED - address 0xE000 0008) bit description
The WDTV register is used to read the current value of Watchdog timer.
When reading the value of the 32 bit timer, the lock and synchronization procedure takes
up to 6 WDCLK cycles plus 6 PCLK cycles, so the value of WDTV is older than the actual
value of the timer when it's being read by the CPU.
Table 589: Watchdog Timer Value register (WDTV - address 0xE000 000C) bit description
0xE000 0010)
This register allows selecting the clock source for the Watchdog timer. The possibilities are: the
Internal RC oscillator (IRC), the RTC oscillator, and the APB peripheral clock (pclk). The function of
bits in WDCLKSEL are shown in
Table 590: Watchdog Timer Clock Source Selection register (WDCLKSEL - address
Bit
7:0
Bit
31:0
Bit
1:0
31:2 -
Symbol Value Description
WDSEL
Symbol
Feed
Symbol
Count
0xE000 0010) bit description
00
01
10
11
-
Description
Feed value should be 0xAA followed by 0x55.
Description
Counter timer value.
These bits select the clock source for the Watchdog timer as
described below.
Warning: Improper setting of this value may result in incorrect
operation of the Watchdog timer, which could adversely affect
system operation.
Selects the Internal RC oscillator as the Watchdog clock source
(default).
Selects the APB peripheral clock (PCLK) as the Watchdog clock
source.
Selects the RTC oscillator as the Watchdog clock source.
Reserved
Reserved, user software should not write ones to reserved bits.
The value read from a reserved bit is not defined.
Rev. 04 — 26 August 2009
Table 27–590
Chapter 27: LPC24XX WatchDog Timer (WDT)
.
UM10237
© NXP B.V. 2009. All rights reserved.
NA
0x0000 00FF
Reset Value
Reset Value
665 of 792
Reset
Value
0
NA
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