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參數(shù)資料
| 型號(hào)： | HDNS-2000 |
| 英文描述： | Solid-State Optical Mouse Sensor with PS/2 and Quadrature Outputs(帶PS/2和積分輸出的固態(tài)光纖鼠標(biāo)傳感器) |
| 中文描述： | 固態(tài)光學(xué)鼠標(biāo)傳感器與PS / 2和正交輸出（帶的PS / 2和積分輸出的固態(tài)光纖鼠標(biāo)傳感器） |
| 文件頁(yè)數(shù)： | 7/10頁(yè) |
| 文件大小： | 216K |
| 代理商： | HDNS-2000 |
7
I/O Specifications
PS/2 Command Set Implementation
The following commands are implemented. All other commands will cause an FE (resend) response from the
HDNS-2000. A second invalid command will cause an FC (error) response from the HDNS-2000.
Valid Values and
Default Value
after Software or
Hardware Reset
(HEX
COMMAND
)
and Response
Bytes
FF
FA AA 00
Mnemonics for
Command and
Response Bytes
FF ACK ID DT
Mnemonic for
Command
RESET
Description
Soft reset ID=AA
DT=0
Resend last byte
(i.e. ACK) or Packet
Default Setting
Disable stream mode
Enable stream mode
Set sampling rate
RESEND
FE
nn
..
FE nn..
SET_DFS
DISABLE
ENABLE
SET_SAMPLING
F6
FA
F5
FA
F4
FA
F3
FA
nn
FA
F6 ACK
F5 ACK
F4 ACK
F3 ACK nn ACK
{default mode}
{0A 14 28 3C 50
64
C8} 10 20 40 60 80
100
200 reports/
second
READ_DT
ECHO
F2
FA 00
EE
FA
F2 ACK DT
EE ACK
Responds with DT=00
Echo all further
commands until
NO_ECHO or RESET
Respond to following
commands normally
Request a data packet
NO_ECHO
EC
FA
EC ACK
READ_DATA
EB
FA nn nn nn
EB ACK nn nn nn
See IBM PS/2 Mouse
Technical Reference
{default mode}
SET_STREAM
EA
FA
EA ACK
Respond with data
packets at the sample
rate
Data only sent on
READ_DATA
Request status packet
SET_PROMPT
F0
FA
F0 ACK
STATUS
E9
FA nn nn nn
E9 ACK nn nn nn
See IBM PS/2 Mouse
Technical Reference
SET_SCALE
LIN_SCALE
SET_RES
E7
FA
E6
FA
E8
FA
nn
FA
E7 ACK
E6 ACK
E8 ACK nn ACK
Pseudo Log
Linear
Set resolution
{default mode}
{00 01
02
03}
2 4
8
16 Counts/mm
Default mode after
hardware reset.
DISABLE_TEST
E8
FA
AA
FE
E8 ACK AA
RESEND
For test purposes only
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