參數(shù)資料
型號： PCIB40
英文描述： PC(ISA)BUS I/O CARD
中文描述： 電腦（ISA）總線的I / O卡
文件頁數(shù)： 8/16頁
文件大小： 284K
代理商： PCIB40
2192-09066-000-000
J206 PCIB40 Technical Manual
8
Link 1
Counter 0 Clock Frequency Select
The clock input for counter 0 can be connected to an on-board clock generator operating at either
10KHz, 100KHz or 1MHz. This is set using LK1A/B/C.
Links 10-14
Power-Up Output State
These links are used to select the power-up state of the five groups of I/O channels. For more
information see page 4.
Links 20-24
Power-up control
Select whether the output buffer is always enabled or controlled by software. If you are configuring
the board for known boot up state then the group must be software enabled. If link B is fitted the
output state cannot be determined (‘don’t care’ state) at power up or reset.
Link IRQ2-5 & 7
Interrupt select
The output of counter 0 can be used to generate an interrupt on either IRQ 2,3,4,5 or 7.
NOTE:
A PC must be configured with only one interrupt source for each interrupt line. Check your
PC configuration before selecting the interrupt signal. If you are not using the interrupt facility, it is
recommended that the jumper is not fitted.
LK20
Position A Group 0 Outputs enabled by ‘software’
Position B Group 0 Outputs always enabled after power on/reset
Position A Group 1 Outputs enabled by ‘software’
Position B Group 1 Outputs always enabled after power on/reset
Position A Group 2 Outputs enabled by ‘software’
Position B Group 2 Outputs always enabled after power on/reset
Position A Group 3 Outputs enabled by ‘software’
Position B Group 3 Outputs always enabled after power on/reset
Position A Group 4 Outputs enabled by ‘software’
Position B Group 4 Outputs always enabled after power on/reset
LK21
LK22
LK23
LK24
LK1A
Clock input = 1MHz
Clock input = 100KHz
Clock input = 10KHz
LK1B
LK1C
IRQ2
Timer interrupt on IRQ2
Timer interrupt on IRQ3
Timer interrupt on IRQ4
Timer interrupt on IRQ5
Timer interrupt on IRQ7
IRQ3
IRQ4
IRQ5
IRQ7
LK10
Position A for Group 0 outputs set to ‘1’
Position B for Group 0 outputs reset to ‘0’
Position A for Group 1 outputs set to ‘1’
Position B for Group 1 outputs reset to ‘0’
Position A for Group 2 outputs set to ‘1’
Position B for Group 2 outputs reset to ‘0’
Position A for Group 3 outputs set to ‘1’
Position B for Group 3 outputs reset to ‘0’
Position A for Group outputs 4 set to ‘1’
Position B for Group outputs 4 reset to ‘0’
LK11
LK12
LK13
LK14
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