LPC2470FBD208,551 NXP Semiconductors, LPC2470FBD208,551 Datasheet - Page 480
![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
8.4 Interrupt and Capture Register (CAN1ICR - 0xE004 400C, CAN2ICR -
RX Error Counter = (CANxGSR AND 0x00FF0000) / 0x00010000
Note that a CPU-forced content change of the RX Error Counter is possible only if the
Reset Mode was entered previously. An Error Status change (Status Register), an Error
Warning or an Error Passive Interrupt forced by the new register content will not occur
until the Reset Mode is cancelled again.
TX error counter
The TX Error Counter Register, which is part of the Status Register, reflects the current
value of the Transmit Error Counter. In Operating Mode this register appears to the CPU
as a read only memory. After hardware reset this register is initialized to ’0’. A write access
to this register is possible only in Reset Mode. If a bus-off event occurs, the TX Error
Counter is initialized to 127 to count the minimum protocol-defined time (128 occurrences
of the Bus-Free signal). Reading the TX Error Counter during this time gives information
about the status of the Bus-Off recovery. If Bus Off is active, a write access to TXERR in
the range of 0 to 254 clears the Bus Off Flag and the controller will wait for one occurrence
of 11 consecutive recessive bits (bus free) after clearing of Reset Mode. The Tx error
counter is determined as follows:
TX Error Counter = (CANxGSR AND 0xFF000000) / 0x01000000
Writing 255 to TXERR allows initiation of a CPU-driven Bus Off event. Note that a
CPU-forced content change of the TX Error Counter is possible only if the Reset Mode
was entered previously. An Error or Bus Status change (Status Register), an Error
Warning, or an Error Passive Interrupt forced by the new register content will not occur
until the Reset Mode is cancelled again. After leaving the Reset Mode, the new TX
Counter content is interpreted and the Bus Off event is performed in the same way as if it
was forced by a bus error event. That means, that the Reset Mode is entered again, the
TX Error Counter is initialized to 127, the RX Counter is cleared, and all concerned Status
and Interrupt Register Bits are set. Clearing of Reset Mode now will perform the protocol
defined Bus Off recovery sequence (waiting for 128 occurrences of the Bus-Free signal).
If the Reset Mode is entered again before the end of Bus Off recovery (TXERR>0), Bus
Off keeps active and TXERR is frozen.
0xE004 800C)
Bits in this register indicate information about events on the CAN bus. This register is
read-only. Bits not listed read as 0 and should be written as 0.
The Interrupt flags of the Interrupt and Capture Register allow the identification of an
interrupt source. When one or more bits are set, a CAN interrupt will be indicated to the
CPU. After this register is read from the CPU all interrupt bits are reset except of the
Receive Interrupt bit. The Interrupt Register appears to the CPU as a read only memory.
Bits 1 thru 10 clear when they are read.
Bits 16-23 are captured when a bus error occurs. At the same time, if the BEIE bit in
CANIER is 1, the BEI bit in this register is set, and a CAN interrupt can occur.
Rev. 04 — 26 August 2009
Chapter 18: LPC24XX CAN controllers CAN1/2
UM10237
© NXP B.V. 2009. All rights reserved.
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