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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: 117/160頁
文件大?。?/td> 1012K
代理商: W83977TF
W83977TF
PRELIMINARY
Publication Release Date: March 1998
-106-
Revision 0.62
Bit 2: HDUPLX. IR half/full duplex function select.
= 0
The IR function is Full Duplex.
= 1
The IR function is Half Duplex.
Bit 1: TX2INV.
= 0
the SOUTB pin of UART B function or IRTX pin of IR function in normal condition.
= 1
inverse the SOUTB pin of UART B function or IRTX pin of IR function.
Bit 0: RX2INV.
= 0
the SINB pin of UART B function or IRRX pin of IR function in normal condition.
= 1
inverse the SINB pin of UART B function or IRRX pin of IR function
11.6 Logical Device 5 (KBC)
CR30 (Default 0x01
if PENKBC= 1 during POR, default 0x00 otherwise)
Bit 7 - 1: Reserved.
Bit 0:
= 1 Activates the logical device.
= 0 Logical device is inactive.
CR60, CR 61 (Default 0x00, 0x60
if PENKBC= 1 during POR, default 0x00 otherwise)
These two registers select the first KBC I/O base address [0x100:0xFFF] on 1 byte boundary.
CR62, CR 63 (Default 0x00, 0x64
if PENKBC= 1 during POR, default 0x00 otherwise)
These two registers select the second KBC I/O base address [0x100:0xFFF] on 1 byte boundary.
CR70 (Default 0x01
if PENKBC= 1 during POR, default 0x00 otherwise)
Bit 7 - 4: Reserved.
Bit [3:0]: These bits select IRQ resource for KINT (keyboard).
CR72 (Default 0x0C
if PENKBC= 1 during POR, default 0x00 otherwise)
Bit 7 - 4: Reserved.
Bit [3:0]: These bits select IRQ resource for MINT (PS2 Mouse)
CRF0 (Default
0x83
)
Bit 7 - 6: KBC clock rate selection
= 00 Select 6MHz as KBC clock input.
= 01 Select 8MHz as KBC clock input.
= 10 Select 12Mhz as KBC clock input.
= 11 Select 16Mhz as KBC clock input.
Bit 5 - 3: Reserved.
Bit 2: = 0 Port 92 disable.
= 1 Port 92 enable.
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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
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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