LPC1113FHN33/203,5 NXP Semiconductors, LPC1113FHN33/203,5 Datasheet - Page 243
LPC1113FHN33/203,5
Manufacturer Part Number
LPC1113FHN33/203,5
Description
ARM Microcontrollers - MCU Cortex-M0 24 kB flash up to 8kB SRAM
Manufacturer
NXP Semiconductors
Datasheet
1.LPC1113FHN333035.pdf
(538 pages)
Specifications of LPC1113FHN33/203,5
Rohs
yes
Core
ARM Cortex M0
Processor Series
LPC1113
Data Bus Width
32 bit
Maximum Clock Frequency
50 MHz
Program Memory Size
24 KB
Data Ram Size
4 KB
On-chip Adc
Yes
Operating Supply Voltage
1.8 V to 3.6 V
Operating Temperature Range
- 65 C to + 150 C
Package / Case
HVQFN-33
Mounting Style
SMD/SMT
Factory Pack Quantity
260
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NXP Semiconductors
UM10398
User manual
15.8.2 Master Receiver mode
Table 231. I2C0CONSET and I2C1CONSET used to configure Master mode
The first byte transmitted contains the slave address of the receiving device (7 bits) and
the data direction bit. In this mode the data direction bit (R/W) should be 0 which means
Write. The first byte transmitted contains the slave address and Write bit. Data is
transmitted 8 bits at a time. After each byte is transmitted, an acknowledge bit is received.
START and STOP conditions are output to indicate the beginning and the end of a serial
transfer.
The I
I
condition is transmitted, the SI bit is set, and the status code in the STAT register is 0x08.
This status code is used to vector to a state service routine which will load the slave
address and Write bit to the DAT register, and then clear the SI bit. SI is cleared by writing
a 1 to the SIC bit in the CONCLR register.
When the slave address and R/W bit have been transmitted and an acknowledgment bit
has been received, the SI bit is set again, and the possible status codes now are 0x18,
0x20, or 0x38 for the master mode, or 0x68, 0x78, or 0xB0 if the slave mode was enabled
(by setting AA to 1). The appropriate actions to be taken for each of these status codes
are shown in
In the master receiver mode, data is received from a slave transmitter. The transfer is
initiated in the same way as in the master transmitter mode. When the START condition
has been transmitted, the interrupt service routine must load the slave address and the
data direction bit to the I
data direction bit (R/W) should be 1 to indicate a read.
When the slave address and data direction bit have been transmitted and an
acknowledge bit has been received, the SI bit is set, and the Status Register will show the
status code. For master mode, the possible status codes are 0x40, 0x48, or 0x38. For
slave mode, the possible status codes are 0x68, 0x78, or 0xB0. For details, refer to
Table
2
Bit
Symbol
Value
Fig 45. Format in the Master Transmitter mode
C logic will send the START condition as soon as the bus is free. After the START
S
from Master to Slave
from Slave to Master
2
C interface will enter master transmitter mode when software sets the STA bit. The
236.
SLAVE ADDRESS
7
-
-
Table 235
All information provided in this document is subject to legal disclaimers.
Rev. 12 — 24 September 2012
6
I2EN
1
to
2
C Data register (DAT), and then clear the SI bit. In this case, the
Table
RW=0
5
STA
0
240.
Chapter 15: LPC111x/LPC11Cxx I2C-bus controller
A
4
STO
0
DATA
A = Acknowledge (SDA low)
A = Not acknowledge (SDA high)
S = START condition
P = STOP condition
3
SI
0
n bytes data transmitted
A
2
AA
0
DATA
UM10398
1
-
-
© NXP B.V. 2012. All rights reserved.
A/A
0
-
-
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