OM13013,598 NXP Semiconductors, OM13013,598 Datasheet - Page 173

• Manufacturer Part Number: OM13013,598
• Description: BOARD DEMO IAR LPC1227 JLINKLITE
• Manufacturer: NXP Semiconductors
• Series: -r

Specifications of OM13013,598

• Design Resources: LPC122x-SK Brd Schematic
• Processor To Be Evaluated: LPC1227
• Processor Series: LPC122x
• Data Bus Width: 32 bit
• Interface Type: UART, SSP, SPI, I2C
• Cpu Core: ARM Cortex-M0
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 3 V to 3.6 V
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-6885

NXP Semiconductors
UM10441
User manual
Fig 10. Auto-baud a) mode 0 and b) mode 1 waveform
b. Mode 1 (only start bit is used for auto-baud)
16xbaud_rate
U0ACR start
rate counter
UARTn RX
10.5.11 UART IrDA Control Register
The IrDA Control Register enables and configures the IrDA mode on each UART. The
value of ICR should not be changed while transmitting or receiving data, or data loss or
corruption may occur.
Table 174: UART IrDA Control Register (ICR - 0x4000 C024) bit description
Bit
0
1
2
Symbol
IRDAEN
IRDAINV
FIXPULSEEN
start
16 cycles
bit0
All information provided in this document is subject to legal disclaimers.
bit1
Value
0
1
0
1
0
1
start bit
Rev. 1 — 15 February 2011
bit2
©A© (0x41) or ©a© (0x61)
Description
IrDA mode enable.
IrDA mode on UARTn is disabled, UARTn acts as a
standard UART.
IrDA mode on UARTn is enabled.
IrDA input polarity.
The serial input is not inverted.
The serial input is inverted. This has no effect on the serial
output.
IrDA fixed pulse width mode.
IrDA fixed pulse width mode disabled.
IrDA fixed pulse width mode enabled.
bit3
bit4
bit5
bit6
LSB of ©A© or ©a©
bit7
Chapter 10: LPC122x UART1
parity stop
UM10441
© NXP B.V. 2011. All rights reserved.
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0
Reset
value
0
0