LPC1112FHN33/203,5 NXP Semiconductors, LPC1112FHN33/203,5 Datasheet - Page 268
LPC1112FHN33/203,5
Manufacturer Part Number
LPC1112FHN33/203,5
Description
ARM Microcontrollers - MCU Cortex-M0 16kB flash up to 4 kB SRAM
Manufacturer
NXP Semiconductors
Datasheet
1.LPC1113FHN333035.pdf
(538 pages)
Specifications of LPC1112FHN33/203,5
Rohs
yes
Core
ARM Cortex M0
Processor Series
LPC1112
Data Bus Width
32 bit
Maximum Clock Frequency
50 MHz
Program Memory Size
16 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
15.11.5.1 State: 0x00
15.11.5.2 Master States
15.11.5.3 State: 0x08
15.11.3 Start Master Receive function
15.11.4 I
15.11.5 Non mode specific states
Begin a Master Receive operation by setting up the buffer, pointer, and data count, then
initiating a START.
Determine the I
Bus Error. Enter not addressed Slave mode and release bus.
State 08 and State 10 are for both Master Transmit and Master Receive modes. The R/W
bit decides whether the next state is within Master Transmit mode or Master Receive
mode.
A START condition has been transmitted. The Slave Address + R/W bit will be
transmitted, an ACK bit will be received.
2
2. Set up the Slave Address to which data will be transmitted, and add the Write bit.
3. Write 0x20 to CONSET to set the STA bit.
4. Set up data to be transmitted in Master Transmit buffer.
5. Initialize the Master data counter to match the length of the message being sent.
6. Exit
1. Initialize Master data counter.
2. Set up the Slave Address to which data will be transmitted, and add the Read bit.
3. Write 0x20 to CONSET to set the STA bit.
4. Set up the Master Receive buffer.
5. Initialize the Master data counter to match the length of the message to be received.
6. Exit
1. Read the I
2. Use the status value to branch to one of 26 possible state routines.
1. Write 0x14 to CONSET to set the STO and AA bits.
2. Write 0x08 to CONCLR to clear the SI flag.
3. Exit
1. Write Slave Address with R/W bit to DAT.
2. Write 0x04 to CONSET to set the AA bit.
3. Write 0x08 to CONCLR to clear the SI flag.
4. Set up Master Transmit mode data buffer.
C interrupt routine
2
2
C status from STA.
All information provided in this document is subject to legal disclaimers.
C state and which state routine will be used to handle it.
Rev. 12 — 24 September 2012
Chapter 15: LPC111x/LPC11Cxx I2C-bus controller
UM10398
© NXP B.V. 2012. All rights reserved.
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