![Advantech PCI-1755 Скачать руководство пользователя страница 46](http://html1.mh-extra.com/html/advantech/pci-1755/pci-1755_user-manual_2858212046.webp)
40
C.3 DI Control Register--- BASE+0
Table C-2 PCI-1755 Register for DI Control Register
Base
Addr.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
DI Control Register
00H
W
STP1 STP0 STR1 STR0
SC2
SC1
SC0
M1
M0
DI Control Register
02H
W
HS0
CLK
RF
ACK
RF
REQ
RF
STP
RF
STR
RF
1. M1:M0 = Digital input mode
00
Disable
01
Normal mode
10 Handshaking mode
2. SC2:SC0 = Sampling clock select
000 Disable
001 30 MHz sampling clock
010 15 MHz sampling clock
011 10 MHz sampling clock
100 Timer0 output of 8254
101 External clock input by EXT_CLKIN
3. STR1:STR0 = Start mode of normal DI
00 Disable
01 Software command
10 Trigger signal occurred from DI_STR
11 Pattern DI
4. STP1:STP0 = Stop mode of normal DI
00 Disable
01 Software command
10 Trigger signal occurred from DI_STP
11 Pattern DI
5. STRRF = DI_STR triggering control
0 Rising edge trigger
1 Falling edge trigger
6. STPRF = DI_STP triggering control
0 High level active
1 Low level active
Содержание PCI-1755
Страница 2: ...ii This page is left blank for hard printing...
Страница 4: ...iv This page is left blank for hard printing...
Страница 5: ...v 1 Introduction Chapter...
Страница 6: ...vi This page is left blank for hard printing...
Страница 15: ...9 2 Installation Chapter...
Страница 16: ...10 This page is left blank for hard printing...
Страница 27: ...21 3 Signal Connections Chapter...
Страница 28: ...22 This page is left blank for hard printing...
Страница 33: ...27 Appendixes...
Страница 34: ...28 This page is left blank for hard printing...
Страница 38: ...32 This page is left blank for hard printing...
Страница 40: ...34 This page is left blank for hard printing...
Страница 70: ...64 This page is left blank for hard printing...