FDC37N769_07 SMSC [SMSC Corporation], FDC37N769_07 Datasheet - Page 3

• Manufacturer Part Number: FDC37N769_07
• Description: 3.3V Super I/O Controller with Infrared Support for Portable Applications
• Manufacturer: SMSC [SMSC Corporation]

GENERAL DESCRIPTION................................................................................................................. 2
PIN CONFIGURATION ...................................................................................................................... 7
PIN DESCRIPTION ............................................................................................................................. 8
BUFFER TYPE PER PIN........................................................................................................................ 8
B
O
FUNCTIONAL DESCRIPTION........................................................................................................ 16
H
FLOPPY DISK CONTROLLER ....................................................................................................... 16
M
F
S
R
DMA T
C
C
I
D
C
SMSC DS – FDC37N769
NSTRUCTION
LOPPY
TATUS
UFFER
ESET
ONTROLLER
OMMAND
ONTROL
UTPUT
OST
ATA
ODES
Floppy Modes.................................................................................................................................... 16
Interface Modes ................................................................................................................................ 16
STATUS REGISTER A (SRA)......................................................................................................... 17
STATUS REGISTER B (SRB) ............................................................................................................ 18
DIGITAL OUTPUT REGISTER (DOR) ............................................................................................ 20
TAPE DRIVE REGISTER (TDR) ................................................................................................... 22
MAIN STATUS REGISTER (MSR) .................................................................................................... 23
DATA RATE SELECT REGISTER (DSR).......................................................................................... 24
DATA REGISTER (FIFO) ................................................................................................................. 26
DIGITAL INPUT REGISTER (DIR).................................................................................................. 27
CONFIGURATION CONTROL REGISTER (CCR) .......................................................................... 28
RESET Pin (Hardware Reset) ........................................................................................................... 31
DOR Reset vs. DSR Reset (Software Reset)....................................................................................... 31
Command Phase................................................................................................................................ 31
Execution Phase ................................................................................................................................ 32
Result Phase ...................................................................................................................................... 33
Read Data.......................................................................................................................................... 45
Read Deleted Data ............................................................................................................................ 47
Read A Track ..................................................................................................................................... 48
Write Data ......................................................................................................................................... 48
Write Deleted Data............................................................................................................................ 49
Verify ................................................................................................................................................. 49
Format A Track ................................................................................................................................. 49
Read ID.............................................................................................................................................. 51
Recalibrate ........................................................................................................................................ 52
Seek.................................................................................................................................................... 52
Sense Interrupt Status........................................................................................................................ 52
Sense Drive Status ............................................................................................................................. 53
Specify ............................................................................................................................................... 53
Configure........................................................................................................................................... 54
Version............................................................................................................................................... 54
P
T
..................................................................................................................................................... 31
ROCESSOR
O
RANSFERS
RANSFER
D
R
T
D
F
YPE
ISK
EGISTER
C
RIVERS
O
S
OMMANDS
ET
PERATION
C
P
S
S
/D
ONTROLLER
HASES
ET
UMMMARY
C
ESCRIPTIONS
................................................................................................................................... 14
................................................................................................................................... 36
I
.................................................................................................................................. 31
E
NTERFACE
OMMANDS
NCODING
............................................................................................................................ 31
............................................................................................................................ 51
.......................................................................................................................... 16
..................................................................................................................... 14
I
NTERNAL
................................................................................................................ 16
................................................................................................................ 29
................................................................................................................ 45
............................................................................................................... 33
R
EGISTERS
DATASHEET
TABLE OF CONTENTS
................................................................................. 17
Page 3 of 137
Rev. 02-16-07