FDC37C669-MT SMSC, FDC37C669-MT Datasheet - Page 110

• Manufacturer Part Number: FDC37C669-MT
• Description: IC CTRLR SUPER I/O FLPPY 100TQFP
• Manufacturer: SMSC

Specifications of FDC37C669-MT

• Controller Type: I/O Controller
• Interface: ISA Host
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 25mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1008

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
Table 44 - State of System Pins in Auto Powerdown
Table 43 - PC/AT and PS/2 Available Registers
00H
01H
02H
03H
04H
06H
07H
07H
04H
05H
Access to these registers DOES NOT wake up the part
System Pins
Access to these registers wakes up the part
RESET
DB[0:7]
IDENT
FINTR
FDRQ
DACK
A[0:9]
D[0:7]
IOW
IOR
TC
DOR (1)
DSR (1)
PC-AT
MSR
CCR
Data
DIR
----
----
---
---
Available Registers
Output Pins
Input Pins
State in Auto Powerdown
PS/2 (Model 30)
110
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