參數資料
型號: FDC37C666GT
廠商: STANDARD MICROSYSTEMS CORP
元件分類: 存儲控制器/管理單元
英文描述: High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controllers
中文描述: 1 Mbps, IDE COMPATIBLE, FLOPPY DISK DRIVE CONTROLLER, PQFP100
封裝: QFP-100
文件頁數: 81/152頁
文件大?。?/td> 621K
代理商: FDC37C666GT
81
Table 35 - Interrupt Control Table
FIFO
MODE
ONLY
INTERRUPT
IDENTIFICATION
REGISTER
INTERRUPT SET AND RESET FUNCTIONS
BIT
3
0
0
BIT
2
0
1
BIT
1
0
1
BIT
0
1
0
PRIORIT
Y LEVEL
INTERRUPT
TYPE
None
Receiver Line
Status
INTERRUPT
SOURCE
None
Overrun Error,
Parity Error,
Framing Error or
Break Interrupt
Receiver Data
Available
INTERRUPT
RESET
CONTROL
-
Reading the Line
Status Register
-
Highest
0
1
0
0
Second
Received Data
Available
Read Receiver
Buffer or the
FIFO drops
below the trigger
level.
Reading the
Receiver Buffer
Register
1
1
0
0
Second
Character
Timeout
Indication
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
0
0
1
0
Third
Transmitter
Holding Register
Empty
Reading the IIR
Register (if
Source of
Interrupt) or
Writing the
Transmitter
Holding Register
Reading the
MODEM Status
Register
0
0
0
0
Fourth
MODEM Status
Clear to Send or
Data Set Ready
or Ring Indicator
or Data Carrier
Detect
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