參數(shù)資料
型號: 37C669
廠商: SMSC Corporation
英文描述: DIODE SCHOTTKY SINGLE 25V 200mW 0.5V-vf 200mA-IFM 30mA-IF 2uA-IR SOD-323 3K/REEL
中文描述: 電腦98/99順從超級I / O軟盤控制器與紅外線支持
文件頁數(shù): 28/164頁
文件大?。?/td> 621K
代理商: 37C669
123
CR03
This
register
can
only
be
accessed
in
the Configuration Mode and the CSR has been
initialized to 03H. The default value after power
up is 780H.
Table 50 - CR03
BIT NO.
BIT NAME
DESCRIPTION
0
PWRGD/
GAMECS
Bit 0
Pin function
0
PWRGD (default)
1
GAMECS
1
Enhanced Floppy
Mode 2
Bit 1
Floppy Mode - Refer to the description of the
TAPE DRIVE REGISTER (TDR) for more
information on these modes.
0
NORMAL Floppy Mode (Default)
1
Enhanced Floppy Mode 2 (OS2)
3
Reserved
Reserved - Read as zero
4
DRVDEN1
Bit
4
Pin DRVDEN1 output
0
DRVDEN 1 output
1
DRVDEN 1 high (default)
5
MFM
IDENT is used in conjunction with MFM to define the
interface mode of operation
6
IDENT
IDENT
1
0
MFM
1
0
1
0
MODE
AT Mode (Default)
Reserved
PS/2
Model 30
7,2
ADRx/
DRV2 EN/
IRQ_B
Bit - 7
Bit - 2
Pin 94
0
x
DRV2 (input)
1
0
ADRX
1
IRQ_B
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