...............................................................................................................................................................................1
.....................................................................................................................................................1
...........................................................................................................................................1
AD .........................................................................................................................1
DA .........................................................................................................................2
DI ..........................................................................................................................2
DO .........................................................................................................................2
CNT / .....................................................................................................................2
...........................................................................................................................................2
...........................................................................................................................................2
................................................................................................................................3
...........................................................................................................................................3
...................................................................................................................................3
...................................................................................................................................3
.................................................................................................................................................4
................................................................................................................................4
............................................................................................................................4
........................................................................................................................4
...............................................................................................................................................4
ID .............................................................................................................................5
...............................................................................................................................................6
.......................................................................................................................................6
..................................................................................................................................7
AD/DA ......................................................................................7
DI/DO ........................................................................................7
..................................................................................................................................9
AD .....................................................................................................9
AD .....................................................................................................................9
AD .....................................................................................................................9
DA ...................................................................................................10
DI ....................................................................................................10
DO ...................................................................................................10
......................................................................................................................11
CNT / ................................................................................................11
......................................................................................................................11
............................................................................................................12
AD ...........................................................................................12
AD ...............................................................................................12
AD ...................................................................................................12
AD ...............................................................................12
DA ...............................................................................................................13
DA .......................................................................................................13
DA ...................................................................................................13
1
USB2817 6.021
............................................................................................................................... 15
AD .............................................................................................................. 15
AD .............................................................................................................................. 15
AD .............................................................................................................................. 15
AD .......................................................................................... 18
AD .......................................................................................................................... 18
AD .......................................................................................................................... 19
CNT / ............................................................................................................................. 22
....................................................................................................... 25
......................................................................................................................................... 25
AD .................................................................................................................. 25
DA .................................................................................................................. 25
DA .................................................................................................................................. 25
................................................................................................................................................. 25
2
USB2817 6.021
CN1
P1 DIO /
RP1 AD
RP2 AD
RP8 AO0
RP5 AO1
RP10 AO2
RP6 AO3
RP9 AO0
RP4 AO1
4
RP7 AO2
RP3 AO3
ID
DID1 ID PC USB2817 ID
“ON” “1” “0” “ID3” “ID0”
ID ID
ID ID ID
USB2817S “CreateDevice” “CreateDeviceEx”
ID3 ID2 ID1 ID0
4 3 2 1
DID1
ON
“1111” ID 15
ID3 ID2 ID1 ID0
4 3 2 1
DID1
ON
“0111” ID 7
ID3 ID2 ID1 ID0
4 3 2 1
DID1
ON
“0101” ID 5
ID
ID3 ID2 ID1 ID0 ID Hex ID Dec
OFF OFF OFF OFF 0 0
OFF OFF OFF ON 1 1
OFF OFF ON OFF 2 2
OFF OFF ON ON 3 3
OFF ON OFF OFF 4 4
OFF ON OFF ON 5 5
OFF ON ON OFF 6 6
OFF ON ON ON 7 7
ON OFF OFF OFF 8 8
ON OFF OFF ON 9 9
ON OFF ON OFF A 10
ON OFF ON ON B 11
ON ON OFF OFF C 12
ON ON OFF ON D 13
5
USB2817 6.021
ON ON ON OFF E 14
ON ON ON ON F 15
JPW1 USB 1-2
EF FIFO FIFO
FF FIFO FIFO
HF FIFO FIFO
LED5.0V 5.0V +5.0V +5.0V
6
AD
AD
AD AD ADPara. TriggerMode = USB2817_TRIGMODE_SOFT
InitDeviceAD AD AD
AD (Frequency) AD
InitDeviceAD
AD
6.1
AD
AD AD ADPara. TriggerMode = USB2817_TRIGMODE_POST
InitDeviceAD AD AD
AD CN1
ATR DTR AD
(TriggerType) TriggerDir
ATR
ATR CN1 ATR
(Result)
AD AO0 -10V
+10V
ATR
Result
6.2
1
AD
Result
TriggerType = USB2817_TRIGTYPE_EDGE
ADPara.TriggerDir = USB2817_TRIGDIR_NEGATIVE ATR
AD ATR
AD AD
15
USB2817 6.021
6.3 AD (Frequency) AD InitDeviceAD
AD
AD
AD
ATR
AD
AD AD
, AD
6.3
ADPara.TriggerDir = USB2817_TRIGDIR_POSITIVE
ADPara.TriggerDir = USB2817_TRIGDIR_POSIT_NEGAT
AD AD
2
AD
Result
ADPara.TriggerType = USB2817_TRIGTYPE_PULSE
ADPara.TriggerDir = USB2817_TRIGDIR_NEGATIVE
AD
6.4
AD
AD
AD
ATR
AD
AD AD
, AD
AD
, AD
6.4
ADPara.TriggerDir = USB2817_TRIGDIR_POSITIVE
AD
ADPara.TriggerDir = USB2817_TRIGDIR_POSIT_NEGAT
16
DTR
TTL DTR
1
ADPara.TriggerDir = USB2817_TRIGDIR_NEGATIVE DTR
AD AD
AD
AD
AD
DTR
AD
AD AD
, AD
6.5
ADPara.TriggerDir = USB2817_TRIGDIR_POSITIVE DTR
AD AD
ADPara.TriggerDir = USB2817_TRIGDIR_POSIT_NEGAT
DTR AD
AD
2
ADPara.TriggerDir = USB2817_TRIGDIR_NEGATIVE DTR
AD AD
AD
ADPara.TriggerDir = USB2817_TRIGDIR_POSITIVE DTR
AD AD
AD
17
USB2817 6.021
AD
AD
AD
DTR
AD
AD
6.6
ADPara.TriggerDir = USB2817_TRIGDIR_POSIT_NEGAT
AD
AD
AD
ADPara.ADMode = USB2817_ADMODE_SEQUENCE
ADPara.Frequency = 100000Hz 10uS AD 10uS
10uS 10uS
= AD /
= 1/
= /
= 1/
a
a
18
AD
AD
GroupInterval
ADPara.Frequency ADPara.LoopsOfGroup
ADPara. GroupInterval
AD
+ AD AD
=
= + AD +
= /
=1/
= 1 / (ADPara.Frequency)
= ADPara.LastChannel - ADPara.FirstChannel + 1
= ADPara.LoopsOfGroup
AD = AD
= ADPara.GroupInterval
=
0 1 0 1 Frequency =
100000Hz a = 10uS 1 (GroupInterval) c = 50uS =2
1 0 1 10uS
20uS AD b AD 50uS
0 1
19
USB2817 6.021
a b c a d
1
a
b AD
c
d
2 =2 2=4 0
1 0 1 0 1 10uS
40uS AD AD 50uS
0 1
a b c a d
2
a
b AD
c
d
+
AD
=
= /
=1/
20
= ADPara.LoopsOfGroup
=
0 1 0 1 Frequency
= 100000Hz a = 10uS 2 =2 2=4
0 1 0 1 0 1
10uS 40uS AD b AD
AD
a b d
a
b AD
d
CLKIN
+ AD
a b
a
b AD
21
USB2817 6.021
CN T /
0—
GATE 1
OUT 0 OUT
GATE GATE 0 GATE 1
OUT
1
1
1—
GATE n OUT GATE
OUT 0 OUT
n GATE
n n1
GATE n1
2
2
2—
22
n n 1 OUT 0 OUT
CLK OUT n n 1
GATE 0
GATE 1
3
3
3—
2 n n 1 GATE
/ 1 OUT
OUT n 1 1 n n 1 /2
n 1 /2 OUT
GATE 0 GATE 1
4
4
4—
n OUT 0
GATE 0 GATE 1
5
23