NXP Semiconductors LPC24XX UM10237 - Manual (Page 466)

UM10237_4 © NXP B.V. 2009. All rights reserved.
User manual Rev. 04 — 26 August 2009 466 of 792
NXP Semiconductors
UM10237
Chapter 17: LPC24XX UART1
Status information from the U1TX and U1RX is stored in the U1LSR. Control information
for the U1TX and U1RX is stored in the U1LCR.
Fig 72. UART1 block diagram
APB
INTERFACE
U1LCR
U1RX
DDIS
U1LSR
U1FCR
U1BRG
U1TX
INTERRUPT
PA[2:0]
PSEL
PSTB
PWRITE
PD[7:0]
AR
MR
PCLK
U1INTR
U1SCR
NTXRDY
TXD1
NBAUDOUT
RCLK
NRXRDY
RXD1
U1RBR U1RSR
U1DLM
U1DLL
U1THR U1TSR
U1IIR
U1IER
MODEM
RTS
U1MCR
U1MSR
DTR
DCD
RI
DSR
CTS