FDC37M60X SMSC Corporation, FDC37M60X Datasheet - Page 138
![no-image](/images/no-image-200.jpg)
FDC37M60X
Manufacturer Part Number
FDC37M60X
Description
ENHANCED SUPER I/O CONTROLLER WITH INFRARED SUPPORT
Manufacturer
SMSC Corporation
Datasheet
1.FDC37M60X.pdf
(182 pages)
- Current page: 138 of 182
- Download datasheet (651Kb)
FDD Option
Register
Default = 0x00
on Vcc POR or
Reset_Drv
FDD Type Register
Default = 0xFF
on Vcc POR or
Reset_Drv
FDD0
Default = 0x00
on Vcc POR or
Reset_Drv
FDD1
Table 59 - Floppy Disk Controller, Logical Device 0 [Logical Device Number = 0x00]
NAME
REG INDEX
0xF1 R/W
0xF2 R/W
0xF4 R/W
0xF5 R/W
0xF3 R
Bits[1:0] Reserved, set to zero
Bits[3:2] Density Select
= 00
= 01
= 10
= 11
Bit[4] Media ID 0 Polarity
= 0: Don’t invert (default)
= 1: Invert
Bit[5] Media ID 1 Polarity
= 0: Don’t invert (default)
= 1: Invert
Bits[7:6] Boot Floppy
= 00
= 01
= 10
= 11
Bits[1:0] Floppy Drive A Type
Bits[3:2] Floppy Drive B Type
Bits[5:4] Reserved (could be used to store Floppy
Drive C type)
Bits[7:6] Reserved (could be used to store Floppy
Drive D type)
Note: The FDC37M60x supports two floppy drives
Reserved, Read as 0 (read only)
Bits[1:0] Drive Type Select: DT1, DT0
Bits[2]
Bits[4:3] Data Rate Table Select: DRT1, DRT0
Bits[5]
Bits[6]
Bits[7]
Refer to definition and default for 0xF4
=0 Use Precompensation
=1 No Precompensation
Normal (default)
Normal (reserved for users)
1 (forced to logic "1")
0 (forced to logic "0")
FDD 0 (default)
FDD 1
Reserved (neither drive A or B is a boot
drive).
Reserved (neither drive A or B is a boot
drive).
Read as 0 (read only)
Read as 0 (read only)
Precompensation Disable PTS
Read as 0 (read only)
138
DEFINITION
STATE
C
C
C
C
C
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