FDC37C935-QS Standard Microsystems (SMSC), FDC37C935-QS Datasheet - Page 104

• Manufacturer Part Number: FDC37C935-QS
• Manufacturer: Standard Microsystems (SMSC)

Specifications of FDC37C935-QS

• Lead Free Status / RoHS Status: Supplier Unconfirmed

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 44 - State of System Pins in Auto Powerdown
Access to these registers DOES NOT wake up the part
Table 43 - PC/AT and PS/2 Available Registers
System Pins
Access to these registers wakes up the part
DB[0:7]
RESET
DACKx
IDENT
D[0:7]
DRQx
A[0:9]
IRQx
IOW
IOR
TC
DOR (1)
DSR (1)
PC-AT
CCR
MSR
Data
DIR
----
----
---
---
Available Registers
Output Pins
Input Pins
State in Auto Powerdown
104
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