LPC2220FBD144 NXP Semiconductors, LPC2220FBD144 Datasheet - Page 17

IC, 16/32BIT ARM7 MCU, 64K RAM, SMD

LPC2220FBD144

Manufacturer Part Number
LPC2220FBD144
Description
IC, 16/32BIT ARM7 MCU, 64K RAM, SMD
Manufacturer
NXP Semiconductors
Datasheet

Specifications of LPC2220FBD144

No. Of I/o's
76
Ram Memory Size
64KB
Cpu Speed
75MHz
No. Of Timers
2
No. Of Pwm Channels
6
Digital Ic Case Style
LQFP
Supply Voltage
RoHS Compliant
Core Size
32bit
Oscillator Type
External Only
Controller Family/series
LPC22xx
Peripherals
ADC, RTC
Rohs Compliant
Yes

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NXP Semiconductors
LPC2210_2220_6
Product data sheet
6.4.1 Interrupt sources
Non-vectored IRQs have the lowest priority.
The VIC combines the requests from all the vectored and non-vectored IRQs to produce
the IRQ signal to the ARM processor. The IRQ service routine can start by reading a
register from the VIC and jumping there. If any of the vectored IRQs are requesting, the
VIC provides the address of the highest-priority requesting IRQs service routine,
otherwise it provides the address of a default routine that is shared by all the non-vectored
IRQs. The default routine can read another VIC register to see what IRQs are active.
Table 5
one interrupt line connected to the VIC, but may have several internal interrupt flags.
Individual interrupt flags may also represent more than one interrupt source.
Table 5.
Block
WDT
-
ARM Core
ARM Core
TIMER0
TIMER1
UART0
UART1
PWM0
I
SPI0
SPI1 and SSP
PLL
RTC
System Control
A/D
2
C
lists the interrupt sources for each peripheral function. Each peripheral device has
Interrupt sources
Flag(s)
Watchdog Interrupt (WDINT)
Reserved for software interrupts only
EmbeddedICE, DbgCommRX
EmbeddedICE, DbgCommTX
Match 0 to 3 (MR0, MR1, MR2, MR3)
Match 0 to 3 (MR0, MR1, MR2, MR3)
RX Line Status (RLS)
Transmit Holding Register Empty (THRE)
RX Data Available (RDA)
Character Time-out Indicator (CTI)
RX Line Status (RLS)
Transmit Holding Register empty (THRE)
RX Data Available (RDA)
Character Time-out Indicator (CTI)
Modem Status Interrupt (MSI)
Match 0 to 6 (MR0, MR1, MR2, MR3, MR4, MR5, MR6)
SI (state change)
SPIF, MODF
SPIF, MODF and TXRIS, RXRIS, RTRIS, RORRIS
PLL Lock (PLOCK)
RTCCIF (Counter Increment), RTCALF (Alarm)
External Interrupt 0 (EINT0)
External Interrupt 1 (EINT1)
External Interrupt 2 (EINT2)
External Interrupt 3 (EINT3)
ADC
Rev. 06 — 11 December 2008
16/32-bit ARM microcontrollers
LPC2210/2220
© NXP B.V. 2008. All rights reserved.
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