FDC37C665GT-MS Standard Microsystems (SMSC), FDC37C665GT-MS Datasheet - Page 81

• Manufacturer Part Number: FDC37C665GT-MS
• Manufacturer: Standard Microsystems (SMSC)

Specifications of FDC37C665GT-MS

• Pin Count: 100
• Lead Free Status / RoHS Status: Compliant

MODE
ONLY
FIFO
BIT
3
0
0
0
1
0
0
IDENTIFICATION
BIT
2
0
1
1
1
0
0
INTERRUPT
REGISTER
BIT
1
0
1
0
0
1
0
BIT
0
1
0
0
0
0
0
PRIORIT
Highest
Second
Second
Third
Fourth
Y LEVEL
Table 35 - Interrupt Control Table
-
INTERRUPT SET AND RESET FUNCTIONS
None
Receiver Line
Status
Received Data
Available
Character
Timeout
Indication
Transmitter
Holding Register
Empty
MODEM Status
INTERRUPT
81
TYPE
None
Overrun Error,
Parity Error,
Framing Error or
Break Interrupt
Receiver Data
Available
No Characters
Have Been
Removed From
or Input to the
RCVR FIFO
during the last 4
Char times and
there is at least 1
char in it during
this time
Transmitter
Holding Register
Empty
Clear to Send or
Data Set Ready
or Ring Indicator
or Data Carrier
Detect
INTERRUPT
SOURCE
Reading the Line
Status Register
Read Receiver
Buffer or the
FIFO drops
below the trigger
level.
Reading the
Receiver Buffer
Register
Reading the IIR
Register (if
Source of
Interrupt) or
Writing the
Transmitter
Holding Register
Reading the
MODEM Status
Register
INTERRUPT
CONTROL
RESET
-