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Philips Semiconductors
Volume 1
User manual
MODEM
CTS
U1MSR
DSR
RI
DCD
DTR
RTS
U1MCR
INTERRUPT
U1IER
U1INTR
U1IIR
U1SCR
PA[2:0]
PSEL
PSTB
PWRITE
PD[7:0]
AR
MR
PCLK
Fig 19. LPC2131/2/4/6/8 UART1 block diagram
Rev. 01 — 24 June 2005
U1TX
U1THR
U1BRG
U1DLL
U1DLM
U1RX
U1RBR
U1FCR
U1LSR
U1LCR
VPB
INTERFACE
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
UM10120
Chapter 10: UART1
NTXRDY
TXD1
U1TSR
NBAUDOUT
RCLK
NRXRDY
RXD1
U1RSR
DDIS
108
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