This document provides information about the USB2817 integrated circuit, including its pin descriptions and functions. It describes the purpose of pins such as AD, DA, DI, DO, and CNT for analog to digital conversion and digital to analog functions. It also explains the chip's ID register for identification purposes and provides programming information for configuration registers to control aspects like conversion timing and power management.

1. USB2817

2. ...............................................................................................................................................................................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

3. 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

4. ISA
PCI USB
USB2817 USB USB
AD
AD7610BSTZ
±10V ±5V 0 10V 0 5V
16 (Bit)
(Frequency) 31Hz 250KHz
= /
= / = 40MHz 32
160 1290322
16 ( SE) 8 ( DI)
(LastChannel – FirstChannel + 1)
( )
( )
8K FIFO
(ADMode) ( )
(GroupInterval) (1/Frequency) 32767uS ( )
(LoopsOfGroup) 1 65535
(TriggerMode) ( )
(TriggerType) ( )
(TriggerDir)
(TriggerSource) ATR( ) DTR( )
ATR -10V 10V
DTR TTL
(TrigLevelVolt) -10V 10V
AD8251 AD8250 AD8253
1 2 4 8 (AD8251) 1 2 5 10 (AD8250) 1 10 100 1000 (AD8253)
10M
1

5. USB2817 6.021
AD 1.45uS
±1.5LSB
0.01%
0 +50
- 20 +70
DA
AD5724
0 5V 0 10V 0 10.8V ±5V ±10V ±10.8V
12
10 S
4
±1LIB( )
( ) ±1LIB
0 +50
- 20 +70
DI
16
TTL
2V
0.8V
DO
16
CMOS
4.45V
0.5V
CN T /
3
32
6
TTL
GATEn
OUTn
40MHz
158.8mm( ) x 117.2mm( ) x 17mm( )
2

6. USB2817
1 USB2817
2 ART
a) USB USB2817
b) pdf
USB2817 Setup.exe
3

7. USB2817 6.021
CN1
P1 DIO /
RP1 AD
RP2 AD
RP8 AO0
RP5 AO1
RP10 AO2
RP6 AO3
RP9 AO0
RP4 AO1
4

8. 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

9. 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

10. AD/DA
37 D CN1
19 NC
DTR 37
18 ATR
AGND 36
17 AGND
AI0 35
16 AI1
AI2 34
15 AI3
AI4 33
14 AI5
AI6 32
13 AI7
AI8 31
12 AI9
AI10 30
11 AI11
AI12 29
10 AI13
AI14 28
9 AI15
AGND 27
8 AGND
AGND 26
7 AO3
AGND 25
6 AGND
AGND 24
5 AO2
AGND 23
4 AGND
AGND 22
3 AO1
AGND 21
2 AGND
AGND 20
1 AO0
37 D CN1 ( )
AI0 AI15 Input AD 16
AI0-AI7 AI8-AI15
AI0-AI7 AI8-AI15
AO0 AO3 Output AD 4
ATR Input
DTR Input
AGND GND
NC
AI0 AI15 AD
AO0 AO3 DA
ATR DTR
AD
DI/DO
50 P1
7

11. USB2817 6.021
DO0 1 2 DO1
DO2 3 4 DO3
DO4 5 6 DO5
DO6 7 8 DO7
DO8 9 10 DO9
DO10 11 12 DO11
DO12 13 14 DO13
DO14 15 16 DO15
DGND 17 18 DGND
DI0 19 20 DI1
DI2 21 22 DI3
DI4 23 24 DI5
DI6 25 26 DI7
DI8 27 28 DI9
DI10 29 30 DI11
DI12 31 32 DI13
DI14 33 34 DI15
DGND 35 36 DGND
OUT0 37 38 GATE0
CLK0 39 40 OUT1
GATE1 41 42 CLK1
OUT2 43 44 GATE2
CLK2 45 46 DGND
DGND 47 48 CLK
+5V 49 50 +5V
50 P1
DI0 DI15 Input 16
DO0 DO15 Output 16
CLK0 CLK2 Input / DGND
GATE0 GATE2 Input / DGND
OUT0 OUT2 Output / DGND
CLK Output 2MHz 0.5
DGND GND
+5V PWR +5V
DI DI
DO DO
CNT /
8

12. AD
AD
16 AI0 AI15 AGND
AI0
AI1
AI2
AI15
AGND
AD
USB2817 16
AI0 AI7 AI8 AI15 CN1 AI8 AI15
AGND K K 100
1000 100 2000
AI0 +
AI8
AI1 +
AI9
AI7 +
AI15
K ~ K
AGND
9

13. USB2817 6.021
DA
AO0
AO1
AO2
AO3
AGND
DI
DI0
DI1
DI2
DI15
DGND
DO
DO0
DO1
DO2
DO15
DGND
10

14. DTR
ATR
AGND
DGND
CN T /
OUT
CLK
GATE
DGND
USB2817
ATR DTR CN1 ATR DTR
“ ”
AD
ATR/DTR
USB2817
ATR/DTR
USB2817
ATR/DTR
USB2817
11

15. USB2817 6.021
AD
AD
AD ( ) AD ( ) AD ( )
1111 1111 1111 1111 FFFF 65535
1LSB 1111 1111 1111 1110 FFFE 65534
+1LSB 1000 0000 0000 0001 8001 32769
1000 0000 0000 0000 8000 32768
1LSB 0111 1111 1111 1111 7FFF 32767
+1LSB 0000 0000 0000 0001 0001 1
0000 0000 0000 0000 0000 0
±10V ±5V ±2.5V
C ANSI C ( AD ADBuffer
Volt)
±10V : Volt = (20000.00/65536) * (ADBuffer[0]&0xFFFF) – 10000.00;
±5V : Volt = (10000.00/65536) * (ADBuffer[0]&0xFFFF) – 5000.00;
AD
AD ( ) AD ( ) AD ( )
1111 1111 1111 1111 FFFF 65535
1LSB 1111 1111 1111 1110 FFFE 65534
+1LSB 1000 0000 0000 0001 8001 32769
1000 0000 0000 0000 8000 32768
1LSB 0111 1111 1111 1111 7FFF 32767
+1LSB 0000 0000 0000 0001 0001 1
0000 0000 0000 0000 0000 0
0 10V 0 5V
C ANSI C ( AD ADBuffer
Volt)
0 10V : Volt = (10000.00/65536) * (ADBuffer[0] &0xFFFF);
0 5V : Volt = (5000.00/65536) * (ADBuffer[0] &0xFFFF);
AD
16Bit
8 8 8
8
ADPara.LastChannel – ADPara.FirstChannel+ 1 1 (
) ADBuffer 1
ADPara.LastChannel – ADPara.FirstChannel + 1 1 (
) ADBuffer
AD
12

16. ADPara. FirstChannel = 0;
ADPara. LastChannel = 2;
AI0 1
AI1 1
AI2 1
AI0 2
AI1 2
AI2 2
AI0 3
AI1 3
AI2 3 ……
AD ADBuffer 0 1 2 0 1 2 0 1 2 0 1 2……
DA
DA
DA ( ) DA ( ) DA ( )
1111 1111 1111 FFF 4095
1LSB 1111 1111 1110 FFE 4094
+1LSB 1000 0000 0001 801 2049
1000 0000 0000 800 2048
1LSB 0111 1111 1111 7FF 2047
+1LSB 0000 0000 0001 001 1
0000 0000 0000 000 0
0 5V 0 10V 0 10.8V Volt(
mV) DA nDAData 4095
0 5V nDAData = Volt / (5000.00/4096);
0 10V nDAData = Volt / (10000.00/4096);
0 10.8V nDAData = Volt / (10800.00/4096);
DA
DA ( ) DA ( ) DA ( )
1111 1111 1111 FFF 4095
1LSB 1111 1111 1110 FFE 4094
+1LSB 1000 0000 0001 801 2049
1000 0000 0000 800 2048
1LSB 0111 1111 1111 7FF 2047
+1LSB 0000 0000 0001 001 1
0000 0000 0000 000 0
±5V ±10V ±10.8V Volt( mV)
DA nDAData 4095
±5V nDAData = Volt / (10000.00/4096) + 2048;
±10V nDAData = Volt / (20000.00/4096) + 2048;
13

17. USB2817 6.021
±10.8V nDAData = Volt / (21600.00/4096) + 2048;
14

18. 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

19. 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

20. 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

21. 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

22. 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

23. 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

24. = 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

25. 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

26. 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

27. USB2817 6.021
5
5—
GATE ( ) OUT
0 GATE
n1 GATE n1
6
6
24

28. USB2817
1 USB2817 IC
2
AD
USB2817 ±10V
5 USB2817 15
1 AI0 AI0 0 Windows
USB2817 0 RP1 AI0 0V
2 AI0 AI0 9999.69mV
WINDOWS 0 0
RP2 9999.69mV
3
DA
±5V
1 (AGND) AO0
2 Windows USB2817 D/A
3 DA 2048 RP8 AO0 0.000V RP5 RP10
RP6 AO1 AO3 0.000V DA 0
4 DA 4095 RP9 AO0 4997.55mV( RP4
RP7 RP3 AO1 AO3 4997.55mV)
5 3) 4
DA
DA
USB2817
25