參數(shù)資料
型號: PCI1520I
廠商: Texas Instruments, Inc.
英文描述: PC CARD CONTROLLERS
中文描述: PC卡控制器
文件頁數(shù): 75/138頁
文件大?。?/td> 745K
代理商: PCI1520I
413
4.24 Interrupt Pin Register
The value read from the interrupt pin register is function dependent and depends on the interrupt signaling mode,
selected through bits 21 (INTMODE field) of the device control register (PCI offset 92h, see Section 4.33) and the
state of bit 29 (INTRTIE) in the system control register (PCI offset 80h, see Section 4.29). When the INTRTIE bit is
set, this register reads 01h (INTA) for both functions. See Table 46 for a complete description of the register contents.
Bit
7
6
5
4
3
2
1
0
Name
Interrupt pin
Type
R
R
R
R
R
R
R
R
Default
0
0
0
0
0
0
X
X
Register:
Offset:
Type:
Default:
Interrupt pin
3Dh
Read-only
0Xh
Table 46. Interrupt Pin Register Cross-Reference
INTRTIE BIT
INTPIN
FUNCTION 0
FUNCTION 1
0
01h
02h
1
01h
01h
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