Philips LPC213 Series User Manual page 97

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Table 88: UART1 register map
Name Description Bit functions and addresses
MSB
U1RBR Receiver Buffer
Register
U1THR Transmit Holding
Register
U1DLL Divisor Latch LSB
U1DLM Divisor Latch MSB
U1IER Interrupt Enable Reserved Reserved Reserved Reserved
Register
U1IIR Interrupt ID
Register
U1FCR FIFO Control
Register
U1LCR Line Control DLAB
Register
[2]
U1MCR Modem Control Reserved Reserved Reserved
Register
U1LSR Line Status RX FIFO
Register Error
[2]
U1MSR Modem Status
Register
U1SCR Scratch Pad
Register
U1TER Transmit Enable TXEN
Register
[1] Reset value relects the data stored in used bits only. It does not include reserved bits content.
[2] Modem specific features are available in LPC2134/6/8 only.
BIT7 BIT6 BIT5 BIT4
8-bit Read Data
8-bit Write Data
FIFOs Enabled Reserved Reserved
RX Trigger Reserved Reserved Reserved TX FIFO
Set Stick Even
Break Parity Parity
Select
Loop
Back
TEMT THRE BI
DCD RI DSR CTS
Reserved Reserved Reserved Reserved Reserved Reserved Reserved R/W
BIT3 BIT2 BIT1
8-bit Data
8-bit Data
Enable Enable Enable
Modem RX Line THRE
Status Status Interrupt
[2]
interrupt Interrupt
IIR3 IIR2 IIR1
RX FIFO
Reset Reset
Parity Number Word Length Select R/W
Enable of Stop
Bits
Reserved Reserved RTS
FE PE OE
Delta Trailing Delta
DCD Edge RI DSR
8-bit Data
Access Reset Address
[1]
value
LSB
BIT0
RO NA 0xE001 0000
(DLAB=0)
WO NA 0xE001 0000
(DLAB=0)
R/W 0x01 0xE001 0000
(DLAB=1)
R/W 0x00 0xE001 0004
(DLAB=1)
Enable R/W 0x00 0xE001 0004
RX Data (DLAB=0)
Available
Interrupt
IIR0 RO 0x01 0xE001 0008
FIFO WO 0x00 0xE001 0008
Enable
0x00 0xE001 000C
DTR R/W 0x00 0xE001 0010
DR RO 0x60 0xE001 0014
Delta RO 0x00 0xE001 0018
CTS
R/W 0x00 0xE001 001C
0x80 0xE001 0030