參數(shù)資料
型號： FDC37C666GT
廠商： STANDARD MICROSYSTEMS CORP
元件分類： 存儲控制器/管理單元
英文描述： High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controllers
中文描述： 1 Mbps, IDE COMPATIBLE, FLOPPY DISK DRIVE CONTROLLER, PQFP100
封裝： QFP-100
文件頁數(shù)： 127/152頁
文件大?。?/td> 621K
代理商： FDC37C666GT
127
CR6
This register can only be accessed when the
FDC is in the Configuration Mode and after the
CSR has been initialized to 06H. The default
value of this register after power up is FFH. This
register holds the floppy disk drive types for up
to four floppy disk drives.
CR7
This register can only be accessed when the
FDC is in the Configuration Mode and after the
CSR has been initialized to 07H. The default
value of this register after power up is 00H. This
register holds the value for the floppy boot drive
and the polarity of the media ID bits.
CR8
This register can only be accessed when the
FDC is in the Configuration Mode and after the
CSR has been initialized to 08H. The default
value of this register after power up is 00H. This
is the lower 8 bits for the ADRx address decode.
(Note: All addresses are qualified with AEN.)
CR9
This register can only be accessed when the
FDC is in the Configuration Mode and after the
CSR has been initialized to 09H. The default
value of this register after power up is 00H. This
is the upper 3 bits (D2 - MSB, D0 - LSB) for the
ADRx address decode. If ECP mode is not
selected then A10 is assumed to be low. (Note:
All addresses are qualified with AEN.)
CRA
This register can only be accessed when the
FDC is in the Configuration Mode and after the
CSR has been initialized to 0AH. The default
value of this register after power up is 00H. This
byte defines the FIFO threshold for the ECP
mode parallel port.
CRB and CRC
Reserved - The contents of these registers are
undefined when read.
CRD
This register can only be accessed when the
FDC is in the Configuration Mode and after the
CSR has been initialized to 0DH. This register
is read only. The default value of this register
after power up is 065H for the FDC37C665GT
and a 066H for the FDC37C666GT.
CRE
This register can only be accessed when the
FDC is in the Configuration Mode and after the
CSR has been initialized to 0EH. This register
is read only. The default value of this register
after power up is 02H. This is used to identify
the chip revision level.
CRF
This register can only be accessed when the
FDC is in the Configuration Mode and after the
CSR has been initialized to 0FH. The default
value of this register after power up is 00H.
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FDC37C669 制造商:SMSC 制造商全稱:SMSC 功能描述:PC 98/99 Compliant Super I/O Floppy Disk Controller with Infrared Support
FDC37C669_07 制造商:SMSC 制造商全稱:SMSC 功能描述:PC 98/99 Compliant Super I/O Floppy Disk Controller with Infrared Support
FDC37C669FRQFP 制造商:Rochester Electronics LLC 功能描述:- Bulk
FDC37C669FRTQFP 制造商:Rochester Electronics LLC 功能描述:- Bulk
FDC37C669-MS 功能描述:輸入/輸出控制器接口集成電路 Super I/O Controller- Pb Free RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
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