User Manual

UM10360 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved.
User manual Rev. 2 — 19 August 2010 500 of 840
NXP Semiconductors
UM10360
Chapter 21: LPC17xx Timer 0/1/2/3
21.8 Architecture
The block diagram for TIMER/COUNTER0 and TIMER/COUNTER1 is shown in
Figure 116
.
Fig 116. Timer block diagram
reset
MAXVAL
TIMER CONTROL REGISTER PRESCALE REGISTER
PRESCALE COUNTER
PCLK
enable
RESERVED
RESERVED
CAPTURE REGISTER 1
CAPTURE REGISTER 0
MATCH REGISTER 3
MATCH REGISTER 2
MATCH REGISTER 1
MATCH REGISTER 0
CAPTURE CONTROL REGISTER
CONTROL
TIMER COUNTER
CSN
TCI
CE
=
=
=
=
INTERRUPT REGISTER
EXTERNAL MATCH REGISTER
MATCH CONTROL REGISTER
MAT[3:0]
INTERRUPT
CAP[3:0]
STOP ON MATCH
DMA CLEAR[1:0]
DMA REQUEST[1:0]
RESET ON MATCH
LOAD[3:0]