LPC1767FBD100,551 NXP Semiconductors, LPC1767FBD100,551 Datasheet - Page 356
LPC1767FBD100,551
Manufacturer Part Number
LPC1767FBD100,551
Description
IC ARM CORTEX MCU 512K 100-LQFP
Manufacturer
NXP Semiconductors
Series
LPC17xxr
Datasheets
1.LPC1767FBD100551.pdf
(2 pages)
2.LPC1767FBD100551.pdf
(840 pages)
3.LPC1767FBD100551.pdf
(65 pages)
Specifications of LPC1767FBD100,551
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
100MHz
Connectivity
Ethernet, I²C, IrDA, Microwire, SPI, SSI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, I²S, Motor Control PWM, POR, PWM, WDT
Number Of I /o
70
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 3.6 V
Data Converters
A/D 8x12b, D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-LQFP
Processor Series
LPC17
Core
ARM Cortex M3
3rd Party Development Tools
MDK-ARM, RL-ARM, ULINK2, MCB1760, MCB1760U, MCB1760UME
For Use With
622-1005 - USB IN-CIRCUIT PROG ARM7 LPC2K
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
568-4967
935289808551
935289808551
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LPC1767FBD100,551
Manufacturer:
NXP Semiconductors
Quantity:
10 000
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UM10360
User manual
If there is not enough space to store the message within the Receive Buffer, that message is dropped and the Data Overrun condition is
signalled to the CPU in the moment this message becomes valid. If this message is not completed successfully (e.g. because of an
error), no overrun condition is signalled.
The Transmission Complete Status bit is set '0' (incomplete) whenever the Transmission Request bit or the Self Reception Request bit
is set '1' at least for one of the three Transmit Buffers. The Transmission Complete Status bit will remain '0' until all messages are
transmitted successfully.
If both the Receive Status and the Transmit Status bits are '0' (idle), the CAN-Bus is idle. If both bits are set, the controller is waiting to
become idle again. After hardware reset 11 consecutive recessive bits have to be detected until idle status is reached. After Bus-off this
will take 128 times of 11 consecutive recessive bits.
Errors detected during reception or transmission will effect the error counters according to the CAN specification. The Error Status bit is
set when at least one of the error counters has reached or exceeded the Error Warning Limit. An Error Warning Interrupt is generated, if
enabled. The default value of the Error Warning Limit after hardware reset is 96 decimal, see also
Limit register (CAN1EWL - 0x4004 4018, CAN2EWL - 0x4004
Mode bit '1' (present) and an Error Warning Interrupt is generated, if enabled. Afterwards the Transmit Error Counter is set to '127', and
the Receive Error Counter is cleared. It will stay in this mode until the CPU clears the Reset Mode bit. Once this is completed the CAN
Controller will wait the minimum protocol-defined time (128 occurrences of the Bus-Free signal) counting down the Transmit Error
Counter. After that, the Bus Status bit is cleared (Bus-On), the Error Status bit is set '0' (ok), the Error Counters are reset, and an Error
Warning Interrupt is generated, if enabled. Reading the TX Error Counter during this time gives information about the status of the
Bus-Off recovery.
RX error counter
The RX Error Counter Register, which is part of the Status Register, reflects the current
value of the Receive Error Counter. After hardware reset this register is initialized to 0. In
Operating Mode this register appears to the CPU as a read-only memory. A write access
to this register is possible only in Reset Mode. If a Bus Off event occurs, the RX Error
Counter is initialized to 0. As long as Bus Off is valid, writing to this register has no
effect.The Rx Error Counter is determined as follows:
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
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 19 August 2010
8018)”.
Chapter 16: LPC17xx CAN1/2
Section 16.7.7 “CAN Error Warning
UM10360
© NXP B.V. 2010. All rights reserved.
356 of 840
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