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參數(shù)資料
型號(hào): W83626F
廠商: WINBOND ELECTRONICS CORP
英文描述: LPC-to-ISA Bridge
中文描述: 線性預(yù)測(cè)到的ISA橋
文件頁(yè)數(shù): 10/34頁(yè)
文件大小: 343K
代理商: W83626F
LPC TO ISA BRIDGE SET
W83626F/W83626D
PRELIMINARY
Publication Release Date: Feb 2000
- 8 - Revision 0.50
K/B , GPIO AND 80h PCS# Function
SYMBOL
PIN
80PCS#
KBEN#
I/O
FUNCTION
36
I/OD12t
80h PORT Chip Select.(Default)
K/B Functions Enable. During power-on reset this pin is weak
pulled-up internally. The pin applied a pull-down resistor (4.7K
ohm) to enable K/B functions. (IRQ1,KBCS#,and MCCS#)
ROMCS#, this pin enable positive decoder of BIOS address range
[depend on CR03 ,bit 1 or external weak pulled-up during PCIRST
is asserted] .
General purpose I/O pin 0.
Parallel Interrupt Requested Input 1. This interrupt request is used
for specific K/B functions.
General purpose I/O pin 1.
Decode the address 60h and 64h to output chip selected signal.
Enable by KBEN# power-on setting.
General purpose I/O pin 2.
Decode the address 62h and 66h to output chip selected signal
Enable by KBEN# power-on setting
General purpose I/O pin 3.
Programmable parallel IRQ input transfers to serial IRQ
Enable by KBEN# power-on setting
General purpose I/O pin 4.
Power LED output, this signal is low after system reset.
General purpose I/O pin 5.
Parallel Interrupt Requested Input 8. This interrupt request is used
for specific RTC functions. Enable by RTCEN# power-on setting
General purpose I/O pin 6.
Decode the address 70h and 71h to output chip selected signal
Enable by RTCEN# power-on setting
General purpose I/O pin 7.
Decode SA[15-11] are all 0 and setting by CR04 Bit 6.
ROMCS#
37
I/OD12t
GPIO0
IRQ1
GPIO1
KBCS#
38
I/OD12t
39
I/O12t
GPIO2
MCCS#
40
I/OD12t
GPIO3
IRQIN
62
I/OD12t
GPIO4
PLED
GPIO5
IRQ8
GPIO6
RTCCS#
63
I/OD12t
64
I/OD12t
65
I/OD12t
GPIO7
IOHCS#
66
I/OD12t
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W83626F_05 制造商:WINBOND 制造商全稱:Winbond 功能描述:LPC TO ISA BRIDGE SET
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