S3C2416 RISC MICROPROCESSOR
I/O PORTS
10-31
3.14 EXTINTn (External Interrupt Control Register n)
The 8 external interrupts can be requested by various Signalling methods. The EXTINT register configures the
Signalling method between the level trigger and edge trigger for the external interrupt request, and also configures
the signal polarity.
To recognize the level interrupt, the valid logic level on EXTINTn pin must be retained for 40ns at least because of
the noise filter.
Register
Address
R/W
Description
Reset Value
EXTINT0 0x56000088
R/W
External
interrupt control register 0
0x0
EXTINT1 0x5600008c
R/W
External
interrupt control register 1
0x0
EXTINT0
Bit
Description
Reserved [31]
Reserved
EINT7
[30:28]
Setting the signalling method of the EINT7.
000 = Low level
001 = High level
01x = Falling edge triggered
10x = Rising edge triggered
11x = Both edge triggered
Reserved [27]
Reserved
EINT6 [26:24]
Setting
the
ٛ
signalling method of the EINT6.
000 = Low level
001 = High level
01x = Falling edge triggered
10x = Rising edge triggered
11x = Both edge triggered
Reserved [23]
Reserved
EINT5
[22:20]
Setting the signalling method of the EINT5.
000 = Low level
001 = High level
01x = Falling edge triggered
10x = Rising edge triggered
11x = Both edge triggered
Reserved [19]
Reserved
EINT4
[18:16]
Setting the signalling method of the EINT4.
000 = Low level
001 = High level
01x = Falling edge triggered
10x = Rising edge triggered
11x = Both edge triggered
Reserved [15]
Reserved
Содержание S3C2416
Страница 33: ...S3C2416X RISC MICROPROCESSOR PRODUCT OVERVIEW 1 5 3 BLOCK DIAGRAM Figure 1 1 S3C2416X Block Diagram ...
Страница 38: ...PRODUCT OVERVIEW S3C2416X RISC MICROPROCESSOR 1 10 153 AIN 1 U14 195 EINT 10 GPG2 K15 237 SDATA 14 C18 ...
Страница 122: ...BUS MATRIX EBI S3C2416X RISC MICROPROCESSOR 3 4 NOTES ...
Страница 204: ...DMA CONTROLLER S3C2416X RISC MICROPROCESSOR 8 18 NOTES ...
Страница 284: ...WATCHDOG TIMER S3C2416X RISC MICROPROCESSOR 11 6 NOTES ...
Страница 320: ...REAL TIME CLOCK S3C2416X RISC MICROPROCESSOR 13 16 NOTES ...
Страница 344: ...UART S3C2416X RISC MICROPROCESSOR 14 24 NOTES ...
Страница 380: ...USB2 0 DEVICE S3C2416X RISC MICROPROCESSOR 16 34 NOTES ...
Страница 432: ...2D S3C2416X RISC MICROPROCESSOR 18 38 NOTES ...
Страница 446: ...HS_SPI CONTROLLER S3C2416X RISC MICROPROCESSOR 19 14 NOTES ...
Страница 455: ...S3C2416X RISC MICROPROCESSOR HSMMC CONTROLLER 20 9 4 9 SD COMMAND ISSUE SEQUENCE Figure 20 9 Timeout Setting Sequence ...
Страница 604: ...S3C2416X RISC MICROPROCESSOR S3C2416X RISC MICROPROCESSOR 23 22 NOTES ...
Страница 638: ...PCM AUDIO INTERFACE S3C2416X RISC MICROPROCESSOR 25 18 NOTES ...
Страница 653: ...S3C2416X RISC MICROPROCESSOR ELECTRICAL DATA 26 15 Figure 26 14 SDRAM READ WRITE Timing Trp 2 Trcd 2 Tcl 2 DW 16 bit ...
Страница 670: ...ELECTRICAL DATA S3C2416X RISC MICROPROCESSOR 26 32 NOTES ...
Страница 672: ...MECHANICAL DATA S3C2416X RISC MICROPROCESSOR 30 2 Figure 27 2 330 FBGA 1414 Package Dimension 2 Bottom View ...