參數(shù)資料
型號(hào)： PCI1510GVF
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)： 86/128頁
文件大?。?/td> 735K
代理商： PCI1510GVF
426
4.43 General-Purpose Input Register
The general-purpose input register provides the logical value of the data input from the GPI terminals, MFUNC5,
MFUNC4, and MFUNC2MFUNC0. See Table 418 for a complete description of the register contents.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Default
0
0
0
0
0
0
0
0
0
0
0
X
X
X
X
X
Register:
Offset:
Type:
Default:
General-purpose input
ACh
Read-only
00XXh
Table 418. General-Purpose Input Register Description
BIT
SIGNAL
TYPE
FUNCTION
155
RSVD
R
Reserved. Bits 155 return 0s when read.
4
GPI4_DATA
R
GPI4 data bit. The value read from bit 4 represents the logical value of the data input from the MFUNC5 terminal.
3
GPI3_DATA
R
GPI3 data bit. The value read from bit 3 represents the logical value of the data input from the MFUNC4 terminal.
2
GPI2_DATA
R
GPI2 data bit. The value read from bit 2 represents the logical value of the data input from the MFUNC2 terminal.
1
GPI1_DATA
R
GPI1 data bit. The value read from bit 1 represents the logical value of the data input from the MFUNC1 terminal.
0
GPI0_DATA
R
GPI0 data bit. The value read from bit 0 represents the logical value of the data input from the MFUNC0 terminal.
4.44 General-Purpose Output Register
The general-purpose output register is used for control of the general-purpose outputs. See Table 419 for a
complete description of the register contents.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Default
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Register:
Offset:
Type:
Default:
General-purpose output
AEh
Read-only, Read/Write
0000h
Table 419. General-Purpose Output Register Description
BIT
SIGNAL
TYPE
FUNCTION
155
RSVD
R
Reserved. Bits 155 return 0s when read.
4
GPO4_DATA
RW
GPO4 data bit. The value written to bit 4 represents the logical value of the data driven to the MFUNC5
terminal if configured as GPO4. Read transactions return the last data value written.
3
GPO3_DATA
RW
GPIO3 data bit. The value written to bit 3 represents the logical value of the data driven to the MFUNC4
terminal if configured as GPO3. Read transactions return the last data value written.
2
GPO2_DATA
RW
GPO2 data bit. The value written to bit 2 represents the logical value of the data driven to the MFUNC2
terminal if configured as GPO2. Read transactions return the last data value written.
1
GPO1_DATA
RW
GPO1 data bit. The value written to bit 1 represents the logical value of the data driven to the MFUNC1
terminal if configured as GPO1. Read transactions return the last data value written.
0
GPO0_DATA
RW
GPO0 data bit. The value written to bit 0 represents the logical value of the data driven to the MFUNC0
terminal if configured as GPO0. Read transactions return the last data value written.
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