參數(shù)資料
型號: W83977TF(EOL)
英文描述: W83877TF plus KBC. CIR. RTC
中文描述: W83877TF加比聯(lián)。稅務(wù)局局長。時鐘
文件頁數(shù): 124/161頁
文件大?。?/td> 592K
代理商: W83977TF(EOL)
W83977EF/ CTF
PRELIMINARY
Publication Release Date: March 1999
-115 -
Revision A1
= 01 Reserved
= 10 Select 2nd alternate function: Keyboard P15 I/O
= 11 Reserved
Bit 2: Int En
= 1 Enable Common IRQ
= 0 Disable Common IRQ
Bit 1: Polarity: 1: Invert, 0: No Invert
Bit 0: In/Out: 1: Input, 0: Output
@
CREC (GP24, Default 0x01)
Bit 7 - 5: Reserved.
Bit 4 - 3: Select Function.
= 00 Select Basic I/O function
= 01 Reserved
= 10 Select 2nd alternate function: Keyboard P16 I/O
= 11 Reserved
Bit 2: Int En
= 1 Enable Common IRQ
= 0 Disable Common IRQ
Bit 1: Polarity: 1: Invert, 0: No Invert
Bit 0: In/Out: 1: Input, 0: Output
CRED (GP25, Default 0x01)
Bit 7 - 4: Reserved.
Bit 3: Select Function.
= 1 Select alternate function: GATE A20(Connect to KBC P21).
= 0 Select basic I/O function
Bit 2: Int En
= 1 Enable Common IRQ
= 0 Disable Common IRQ
Bit 1: Polarity: 1: Invert, 0: No Invert
Bit 0: In/Out: 1: Input, 0: Output
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