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參數(shù)資料
| 型號(hào)： | CL-PS7111 |
| 廠商： | Cirrus Logic, Inc. |
| 英文描述： | Low-Power System-on-a-Chip |
| 中文描述： | 低功耗系統(tǒng)級(jí)晶片 |
| 文件頁數(shù)： | 60/105頁 |
| 文件大?。?/td> | 1207K |
| 代理商： | CL-PS7111 |
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September 1997
59
PRELIMINARY DATA BOOK v2.0
REGISTER DESCRIPTIONS
CL-PS7111
Low-Power System-on-a-Chip
4
CSINT:
Codec sound interrupt. This interrupt is active if the codec interface is enabled and the codec data FIFO has
reached half full or empty (depending on the interface direction). It is cleared by writing to the COEOI location.
3
MCINT:
Media changed interrupt. This interrupt is active after a rising edge on the NMEDCHG input pin has been
detected, This input is deglitched with a 16-kHz clock and only generates an interrupt if it is active for longer than 62.5
ms. It is mapped to the FIQ input on the ARM710a microprocessor and is cleared by writing to the MCEOI location.
2
WEINT:
Watchdog expired interrupt. This interrupt is active on a rising edge of the periodic 64-Hz tick interrupt clock if
the tick interrupt is still active, that is, if a tick interrupt has not been serviced for a complete tick period. It is cleared by
writing to the TEOI location.
NOTE:
Watchdog timer is turned off during STANDBY modes. Watchdog cannot be accessed or cleared by software.
1
BLINT:
Battery low interrupt. This interrupt is active if no external supply is present (NEXTPWR is high), and the bat-
tery-OK input pin BATOK is forced low. This interrupt is deglitched with a 16-kHz clock so it only generates an interrupt
if it is active for longer than 62.5 ms. It is mapped to the FIQ input on the ARM7 processor and is cleared by writing to
the BLEOI location.
0
EXTFIQ:
External fast interrupt. This interrupt is active if the NEXTFIQ input pin is forced low and is mapped to the FIQ
input on the ARM7 processor.
Bit
Description
(cont.)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CL-PS7111-VC-A | Low-Power System-on-a-Chip |
| CL-PS7500FE | System-on-a Chip for Internet Appliance |
| CL-SH8665 | Integrated ATA Drive microcontroller(集成ATA驅(qū)動(dòng)微控制器) |
| CL1431 | Precision Adjustable Shunt Reference |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CL-PS7111(208LQFP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic IC |
| CL-PS7111(256PBGA) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic IC |
| CL-PS7111-VC-A | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:Low-Power System-on-a-Chip |
| CL-PS7500FE | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:System-on-a Chip for Internet Appliance |
| CLPT-12SP-06 | 制造商:Tri-Star Electronics International 功能描述:CONNECTOR - Bulk |
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