Interrupt Sources - Philips LPC2101 User Manual

Philips Semiconductors
Volume 1

5.5 Interrupt sources

Table 57
has one interrupt line connected to the Vectored Interrupt Controller, but may have several
internal interrupt flags. Individual interrupt flags may also represent more than one
interrupt source.
Table 57: Connection of interrupt sources to the Vectored Interrupt Controller (VIC)
Block Flag(s)
WDT Watchdog Interrupt (WDINT)
- Reserved for Software Interrupts only
ARM Core Embedded ICE, DbgCommRx
ARM Core Embedded ICE, DbgCommTX
TIMER0 Match 0 - 2 (MR0, MR1, MR2)
Capture 0 - 2 (CR0, CR1, CR2)
TIMER1 Match 0 - 3 (MR0, MR1, MR2, MR3)
Capture 0 - 3 (CR0, CR1, CR2, CR3)
UART0 Rx Line Status (RLS)
Transmit Holding Register Empty (THRE)
Rx Data Available (RDA)
Character Time-out Indicator (CTI)
UART1 Rx Line Status (RLS)
Transmit Holding Register Empty (THRE)
Rx Data Available (RDA)
Character Time-out Indicator (CTI)
Modem Status Interrupt (MSI)
- Reserved
2
I C0 SI (state change)
SPI0 SPI0 Interrupt Flag (SPI0F)
Mode Fault (MODF)
SPI1 (SSP) TX FIFO at least half empty (TXRIS)
Rx FIFO at least half full (RXRIS)
Receive Timeout condition (RTRIS)
Receive overrun (RORRIS)
PLL PLL Lock (PLOCK)
RTC Counter Increment (RTCCIF)
Alarm (RTCALF)
System Control External Interrupt 0 (EINT0)
External Interrupt 1 (EINT1)
External Interrupt 2 (EINT2)
Reserved
ADC A/D Converter 0 end of conversion
2
I C1 SI (state change)
User manual
lists the interrupt sources for each peripheral function. Each peripheral device
Rev. 01 — 12 January 2006
UM10161
Chapter 5: VIC
VIC Channel # and Hex
Mask
0 0x0000 0001
1 0x0000 0002
2 0x0000 0004
3 0x0000 0008
4 0x0000 0010
5 0x0000 0020
6 0x0000 0040
7 0x0000 0080
8 0x0000 0100
9 0x0000 0200
10 0x0000 0400
11 0x0000 0800
12 0x0000 1000
13 0x0000 2000
14 0x0000 4000
15 0x0000 8000
16 0x0001 0000
17 0x0002 0000
18 0x0004 0000
19 0x0008 0000
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
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