參數(shù)資料
型號： LPC2917
廠商： NXP Semiconductors N.V.
元件分類： 32位微控制器
英文描述： ARM9 microcontroller with CAN and LIN
中文描述： 具有CAN和LIN的ARM9微控制器
文件頁數(shù)： 23/68頁
文件大小： 384K
代理商： LPC2917
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LPC2917_19_1
NXP B.V. 2007. All rights reserved.
Preliminary data sheet
Rev. 1.01 — 15 November 2007
23 of 68
NXP Semiconductors
LPC2917/19
ARM9 microcontroller with CAN and LIN
Event detection is fully asynchronous, so no clock is required
8.3.4.2
Description
The event router allows the event source to be defined, its polarity and activation type to
be selected and the interrupt to be masked or enabled. The event router can be used to
start a clock on an external event.
The vectored interrupt-controller inputs are active HIGH.
8.3.4.3
Event-router pin description and mapping to register bit positions
The event router module in the LPC2917/19 is connected to the pins listed below. The
pins are combined with other functions on the port pins of the LPC2917/19.
Table 13
shows the pins connected to the event router, and also the corresponding bit position in
the event-router registers and the default polarity.
Table 13.
Symbol
8.4 Peripheral subsystem
8.4.1
Peripheral subsystem clock description
The peripheral subsystem is clocked by a number of different clocks:
CLK_SYS_PESS
CLK_UART0/1
CLK_SPI0/1/2
CLK_TMR0/1/2/3
Event-router pin connections
Direction
Bit position
Description
Default
polarity
1
1
1
1
1
1
1
1
0
0
-
0
0
-
1
1
1
-
EXTINT0
EXTINT1
EXTINT2
EXTINT3
EXTINT4
EXTINT5
EXTINT6
EXTINT7
CAN0 RXD
CAN1 RXD
-
LIN0 RXD
LIN1 RXD
-
-
-
-
-
in
in
in
in
in
in
in
in
in
in
-
in
in
-
na
na
na
-
0
1
2
3
4
5
6
7
8
9
13 - 10
14
15
21 - 16
22
23
24
26 - 25
external interrupt input 0
external interrupt input 1
external interrupt input 2
external interrupt input 3
external interrupt input 4
external interrupt input 5
external interrupt input 6
external interrupt input 7
CAN0 receive data input wake-up
CAN1 receive data input wake-up
reserved
LIN0 receive data input wake-up
LIN1 receive data input wake-up
reserved
CAN interrupt (internal)
VIC FIQ (internal)
VIC IRQ (internal)
reserved
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相關代理商/技術參數(shù)
參數(shù)描述
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