adns-7700 Avago Technologies, adns-7700 Datasheet - Page 56

• Manufacturer Part Number: adns-7700
• Description: One Chip Usb Laserstream? Mouse Sensors
• Manufacturer: Avago Technologies

CODEA_KEY2
Access: Read/Write
Data Type: 8-Bit number
USAGE: This register is used together with CODEA_KEY1 register to form CodeA for KM1 output. Any keyboard key scan
CODEB_KEY2
Access: Read/Write
Data Type: 8-Bit number
USAGE: This register is used together with CODEA_KEY1 register to form CodeA for KM2 output. Any keyboard key scan
LONGPRESS
Access: Read/Write
Data Type: 8-Bit number
USAGE: This register is used to set the button press duration for OTF_L. The press duration is range from 16ms to 4s. Each
56
Bit
Field
Bit
Field
Bit
Field
codes listed in Keyboard Scan Code Specification Windows Platform Design Notes can be used but only limited
to one scan code.
CodeA = CODEA_KEY1 + CODEA_KEY2
For 3D flip application, CodeA = Alt + Tab
CODEA_KEY2 = 0x2B (Tab key)
codes listed in Keyboard Scan Code Specification Windows Platform Design Notes can be used but only limited
to one scan code.
CodeB = CODEB_KEY1 + CODEB_KEY2
For Windows Security Logon/Logout application, CodeB = Alt + Ctrl + Del
CODEB_KEY2 = 0x4C (Del key)
bit step change is 16ms.
CODEA_KEY1 = 0x40 (R-Alt = 1) or 0x04 (L-Alt = 1)
CODEB_KEY1 = 0x05 (L-Alt = 1, L-Ctrl = 1)
7
SC_A
7
SC_A
7
L_Press
7
7
7
6
SC_A
6
SC_A
6
L_Press
6
6
6
Address: 0xC4
Reset Value: 0x00
Address: 0xC5
Reset Value: 0x00
Address: 0xC6
Reset Value: 0x10
5
SC_A
5
SC_A
5
L_Press
5
5
5
4
SC_A
4
SC_A
4
L_Press
4
4
4
3
SC_A
3
SC_A
3
L_Press
3
3
3
2
SC_A
2
SC_A
2
L_Press
2
2
Type: OTP
Type: OTP
Type: OTP
2
1
SC_A
1
SC_A
1
L_Press
1
1
1
0
SC_A
0
SC_A
0
L_Press
0
0
0