LPC1343FHN33,551 NXP Semiconductors, LPC1343FHN33,551 Datasheet - Page 224
LPC1343FHN33,551
Manufacturer Part Number
LPC1343FHN33,551
Description
IC MCU 32BIT 32KB FLASH 33HVQFN
Manufacturer
NXP Semiconductors
Series
LPC13xxr
Specifications of LPC1343FHN33,551
Program Memory Type
FLASH
Program Memory Size
32KB (32K x 8)
Package / Case
33-VQFN Exposed Pad, 33-HVQFN, 33-SQFN, 33-DHVQFN
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
72MHz
Connectivity
I²C, Microwire, SPI, SSI, SSP, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
28
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
LPC13
Core
ARM Cortex M3
Data Bus Width
32 bit
Data Ram Size
8 KB
Interface Type
I2C, UART
Maximum Clock Frequency
72 MHz
Number Of Programmable I/os
28
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, KSK-LPC1343
Development Tools By Supplier
OM11039, OM11040, OM11046, OM11048
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Package
33HVQFN EP
Device Core
ARM Cortex M3
Family Name
LPC1000
Maximum Speed
72 MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
622-1005 - USB IN-CIRCUIT PROG ARM7 LPC2K
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
568-4944
935289655551
935289655551
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LPC1343FHN33,551
Manufacturer:
NXP
Quantity:
780
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NXP Semiconductors
UM10375
User manual
12.11.6.4 I
12.11.6.5 Bus error
12.11.7 I
An I
the bus. If the SCL line is obstructed (pulled LOW) by a device on the bus, no further serial
transfer is possible, and the problem must be resolved by the device that is pulling the
SCL bus line LOW.
Typically, the SDA line may be obstructed by another device on the bus that has become
out of synchronization with the current bus master by either missing a clock, or by sensing
a noise pulse as a clock. In this case, the problem can be solved by transmitting additional
clock pulses on the SCL line (see
dedicated time-out timer to detect an obstructed bus, but this can be implemented using
another timer in the system. When detected, software can force clocks (up to 9 may be
required) on SCL until SDA is released by the offending device. At that point, the slave
may still be out of synchronization, so a START should be generated to insure that all I
peripherals are synchronized.
A bus error occurs when a START or STOP condition is detected at an illegal position in
the format frame. Examples of illegal positions are during the serial transfer of an address
byte, a data bit, or an acknowledge bit.
The I
a master or an addressed slave. When a bus error is detected, the I
switches to the not addressed slave mode, releases the SDA and SCL lines, sets the
interrupt flag, and loads the status register with 0x00. This status code may be used to
vector to a state service routine which either attempts the aborted serial transfer again or
simply recovers from the error condition as shown in
This section provides examples of operations that must be performed by various I
service routines. This includes:
2
2
Fig 36. Recovering from a bus obstruction caused by a LOW level on SDA
•
•
•
C-bus obstructed by a LOW level on SCL or SDA
C state service routines
2
Initialization of the I
I
The 26 state service routines providing support for all four I
2
C-bus hang-up can occur if either the SDA or SCL line is held LOW by any device on
2
C Interrupt Service
(1) Unsuccessful attempt to send a START condition.
(2) SDA line is released.
(3) Successful attempt to send a START condition. State 08H is entered.
C hardware only reacts to a bus error when it is involved in a serial transfer either as
STA flag
SDA line
SCL line
All information provided in this document is subject to legal disclaimers.
2
C block after a Reset.
Rev. 2 — 7 July 2010
(1)
Figure
(1)
36). The I
Chapter 12: LPC13xx I2C-bus controller
2
(2)
C interface does not include a
Table
condition
232.
(3)
start
2
C operating modes.
2
C block immediately
UM10375
© NXP B.V. 2010. All rights reserved.
226 of 333
2
C state
2
C
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