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參數資料
型號: W83977TF
廠商: WINBOND ELECTRONICS CORP
英文描述: Multi-Function I/O Port Controller(用于個人計算機的多功能輸入/輸出口控制器)
中文描述: 多功能I / O端口控制器(用于個人計算機的多功能輸入/輸出口控制器)
文件頁數: 96/160頁
文件大?。?/td> 1012K
代理商: W83977TF
W83977TF
PRELIMINARY
Publication Release Date:March 1998
-86 -
Revision 0.62
Bit
Name
Description
0-7
TMR_VAL
This read-only field returns the running count of the power management timer.
This is a 24-bit counter that runs off of a 3.579545 MHZ clock, and counts in
the working state. The timer is reset and then continues counting until the
CLKIN input the the chip is stopped. If the clock is restarted without a MR
reset, then the counter will resume counting from where it stopped. The
TMR_STS bit is set any time the last bit of the timer (bit 23) goes from 0 to 1
or from 1 to 0. If the TMR_EN bit is set, the setting of the TMR_STS bit will
generate an
SCI
interrupt.
9.3.11 Power Management 1 Timer 3 (PM1TMR3)
Register Location:
<
CR60, 61
> + AH System I/O Space
Default Value:
00h
Attribute:
Read only
Size:
8 bits
1
2
3
4
5
6
7
0
TMR_VAL16
TMR_VAL17
TMR_VAL18
TMR_VAL19
TMR_VAL20
TMR_VAL21
TMR_VAL22
TMR_VAL23
Bit
Name
Description
0-7
TMR_VAL
This read-only field returns the running count of the power management timer.
This is a 24-bit counter that runs off of a 3.579545 MHZ clock, and counts in
the working state. The timer is reset and then continues counting until the
CLKIN input the the chip is stopped. If the clock is restarted without a MR
reset, then the counter will resume counting from where it stopped. The
TMR_STS bit is set any time the last bit of the timer (bit 23) goes from 0 to 1
or from 1 to 0. If the TMR_EN bit is set, the setting of the TMR_STS bit will
generate an
SCI
interrupt.
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相關代理商/技術參數
參數描述
W83977TF(EOL) 制造商:未知廠家 制造商全稱:未知廠家 功能描述:W83877TF plus KBC. CIR. RTC
W83977TF_98 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83977TF-A 制造商:WINBOND 制造商全稱:Winbond 功能描述:I/O chip disk drive adapter
W83977TF-AW 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83977TF-P 制造商:WINBOND 制造商全稱:Winbond 功能描述:I/O chip disk drive adapter