FDC37C665IR SMSC Corporation, FDC37C665IR Datasheet - Page 113

• Manufacturer Part Number: FDC37C665IR
• Description: 3/5 Volt Advanced High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controller with Infranred Support
• Manufacturer: SMSC Corporation

Note 1: Writing to the DOR or DSR does not wake up the part, however, writing any of the motor
enable bits or doing a software reset (via DOR or DSR reset bits) will wake up the part
Base + Address
00H
01H
02H
03H
04H
06H
07H
07H
04H
05H
Table 46 - State of System Pins in Auto Powerdown
Access to these registers DOES NOT wake up the part
Table 45 - PC/AT and PS/2 Available Registers
System Pins
Access to these registers wakes up the part
DB[0:7]
RESET
IDENT
FINTR
D[0:7]
DACK
FDRQ
A[0:9]
IOW
IOR
TC
DOR (1)
DSR (1)
PC-AT
CCR
MSR
Data
DIR
----
----
---
---
Available Registers
Output Pins
Input Pins
State in Auto Powerdown
113
PS/2 (Model 30)
DOR (1)
DSR (1)
Unchanged (low)
Unchanged (low)
CCR
MSR
SRA
SRB
Data
DIR
---
---
Unchanged
Unchanged
Unchanged
Unchanged
Unchanged
Unchanged
Unchanged
Unchanged
Unchanged
Access Permitted
R/W
R/W
---
---
W
W
R
R
R
R