LPC1343FBD48,151 NXP Semiconductors, LPC1343FBD48,151 Datasheet - Page 206
LPC1343FBD48,151
Manufacturer Part Number
LPC1343FBD48,151
Description
IC MCU 32BIT 32KB FLASH 48LQFP
Manufacturer
NXP Semiconductors
Series
LPC13xxr
Specifications of LPC1343FBD48,151
Program Memory Type
FLASH
Program Memory Size
32KB (32K x 8)
Package / Case
48-LQFP
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
40
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
42
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
Cpu Family
LPC1000
Device Core
ARM Cortex-M3
Device Core Size
32b
Frequency (max)
72MHz
Total Internal Ram Size
8KB
# I/os (max)
42
Number Of Timers - General Purpose
4
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
2V
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
48
Package Type
LQFP
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
568-4945
935289652151
935289652151
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LPC1343FBD48,151
Manufacturer:
NXP Semiconductors
Quantity:
10 000
Part Number:
LPC1343FBD48,151
Manufacturer:
NXP/恩智浦
Quantity:
20 000
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UM10375
User manual
12.10.7 Serial clock generator
The synchronization logic will synchronize the serial clock generator with the clock pulses
on the SCL line from another device. If two or more master devices generate clock pulses,
the “mark” duration is determined by the device that generates the shortest “marks,” and
the “space” duration is determined by the device that generates the longest “spaces”.
Figure 29
A slave may stretch the space duration to slow down the bus master. The space duration
may also be stretched for handshaking purposes. This can be done after each bit or after
a complete byte transfer. the I
been transmitted or received and the acknowledge bit has been transferred. The serial
interrupt flag (SI) is set, and the stretching continues until the serial interrupt flag is
cleared.
This programmable clock pulse generator provides the SCL clock pulses when the I
block is in the master transmitter or master receiver mode. It is switched off when the I
block is in a slave mode. The I
Fig 28. Arbitration procedure
Fig 29. Serial clock synchronization
(1) Another device transmits serial data.
(2) Another device overrules a logic (dotted line) transmitted this I
(3) This I
(1) Another device pulls the SCL line low before this I
(2) Another device continues to pull the SCL line low after this I
(3) The SCL line is released , and the clock generator begins timing the HIGH time.
low. Arbitration is lost, and this I
transmitted. This I
the new master once it has won arbitration.
device effectively determines the (shorter) HIGH period.
released SCL. The I
effectively determines the (longer) LOW period.
SDA line
SCL line
shows the synchronization procedure.
SDA line
SCL line
2
C is in Slave Receiver mode but still generates clock pulses until the current byte has been
All information provided in this document is subject to legal disclaimers.
2
Rev. 2 — 7 July 2010
C will not generate clock pulses for the next byte. Data on SDA originates from
2
C clock generator is forced to wait until SCL goes HIGH. The other device
(1)
1
period
high
2
C block will stretch the SCL space duration after a byte has
2
C output clock frequency and duty cycle is programmable
(1)
(1)
2
2
C enters Slave Receiver mode.
period
low
(2)
3
(2)
(3)
Chapter 12: LPC13xx I2C-bus controller
4
2
C has timed a complete high time. The other
(1)
2
C has timed a complete low time and
(3)
2
C master by pulling the SDA line
8
UM10375
© NXP B.V. 2010. All rights reserved.
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