參數(shù)資料
型號： FDC37C665GT
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)： 23/162頁
文件大?。?/td> 562K
代理商： FDC37C665GT
23
STATUS REGISTER B (SRB)
Address F1 READ ONLY
This register is read-only and monitors the state
of several disk interface pins, in PS/2 and Model
30 modes. The SRB can be accessed at any
time when in PS/2 mode. In the PC/AT mode
the data bus pins D0 - D7 are held in a high
impedance state for a read of address 3F1.
PS/2 Mode
BIT 0 MOTOR ENABLE 0
Active high status of the MTR0 disk interface
output pin. This bit is low after a hardware reset
and unaffected by a software reset.
BIT 1 MOTOR ENABLE 1
Active high status of the MTR1 disk interface
output pin. This bit is low after a hardware reset
and unaffected by a software reset.
BIT 2 WRITE GATE
Active high status of the WGATE disk interface
output.
BIT 3 READ DATA TOGGLE
Every inactive edge of the RDATA input causes
this bit to change state.
BIT 4 WRITE DATA TOGGLE
Every inactive edge of the WDATA input causes
this bit to change state.
BIT 5 DRIVE SELECT 0
Reflects the status of the Drive Select 0 bit of
the DOR (address 3F2 bit 0). This bit is cleared
after a hardware reset, it is unaffected by a
software reset.
BIT 6 RESERVED
Always read as a logic "1".
BIT 7 RESERVED
Always read as a logic "1".
7
1
6
1
5
4
3
2
1
0
DRIVE
SEL0
0
WDATA
TOGGLE
0
RDATA
TOGGLE
0
WGATE
MOT
EN1
0
MOT
EN0
0
RESET
COND.
1
1
0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FDC37C665GT_07 制造商:SMSC 制造商全稱:SMSC 功能描述:High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controllers
FDC37C665GT-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
FDC37C665GTQFP 功能描述:輸入/輸出控制器接口集成電路 Super I/O Controller 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
FDC37C665IR 制造商:SMSC 制造商全稱:SMSC 功能描述:3/5 Volt Advanced High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controller with Infranred Support
FDC37C665IRQFP 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:SMSC 功能描述:
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