參數(shù)資料
型號: PCI1221GHK
廠商: Texas Instruments, Inc.
英文描述: KPT 11C 11#16 SKT PLUG
中文描述: PC卡控制器
文件頁數(shù): 62/123頁
文件大小: 1659K
代理商: PCI1221GHK
PCI1221 GHK/PDV
PC CARD CONTROLLERS
SCPS042 – JULY 1998
62
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
multifunction routing register
Bit
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Name
Multifunction routing
Type
R
R
R
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Default
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Name
Multifunction routing
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Default
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Register:
Type:
Offset:
Default:
Description: The Multifunction routing register is used to configure the MFUNC0:6 terminals. These
terminals may be configured for various functions. All multifunction terminals default to the
general-purpose input configuration. Pullup resistors are required for terminals configured as
outputs. This register is intended to be programmed once at power-on initialization. The
default value for this register may also be loaded through a serial bus EEPROM.
Multifunction routing
Read/only, read/write (see individual bit descriptions)
8Ch (functions 0, 1)
0000 0000h
Table 22. Multifunction Routing Register
BIT
SIGNAL
TYPE
FUNCTION
31–28
RSVD
R
Bits 31–28 are read/only and return 0s when read.
27–24
MFUNC6
R/W
Multifunction terminal 6 configuration. These bits control the internal signal mapped to the MFUNC6
terminal as follows:
0000 – RSVD = Reserved input – high impedance (default)
0001 – CLKRUN = PCI clock control signal
0010 – IRQ2 = Parallel ISA type IRQ2
0011 – IRQ3 = Parallel ISA type IRQ3
0100 – IRQ4 = Parallel ISA type IRQ4
0101 – IRQ5 = Parallel ISA type IRQ5
0110 – IRQ6 = Parallel ISA type IRQ6
0111 – IRQ7 = Parallel ISA type IRQ7
1000 – IRQ8 = Parallel ISA type IRQ8
1001 – IRQ9 = Parallel ISA type IRQ9
1010 – IRQ10 = Parallel ISA type IRQ10
1011 – IRQ11 = Parallel ISA type IRQ11
1100 – IRQ12 = Parallel ISA type IRQ12
1101 – IRQ13 = Parallel ISA type IRQ13
1110 – IRQ14 = Parallel ISA type IRQ14
1111 – IRQ15 = Parallel ISA type IRQ15
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