Use Manual

Shenzhen Huayu Hongxin Electronic Technology Co., Ltd.
2.4G wireless keyboard
Ver7.0
版
TEL: [phone] FAX: [phone]
2018/12/01
Page 4
● ● Keyboard matrix application description
Large keyboard state
1. 104/107 key Matrix compatible with Yilong EMC83053, see "keyboard Matrix" on the
next page for key arrangement
2. Description of multimedia functions of FN + F1-F12
Hold down FN and then press F1-F12. F1-F12 becomes the multimedia function key
Default
Hot key
Default
Hot key
Default
Hot key
Default
Hot key
F1
Media
F4
Mute
F7
Play/Pause
F10
E-mail
F2
Volume-
F5
PreTrack
F8
CD Stop
F11
My computer
F3
Volume+
F6
NextTrack
F9
web home
F12
wwwFavorite
Electrical characteristics
IC_ CX5177
Keyboard IC_ CX5177
symbol
Number
VDD
State
Min
Typical values
Max
Unit
VDD
Working voltage
2.3
3.0
4.5
V
IDD
Working current
3V
Standby
≤3.0
uA
Fosc
system frequency
3V
1.0
MHz
2.4G RF IC _ BK2425
Symbol
Number
VDD
State
MIN
values
Max
Unit
VDD
Working voltage
1.9
3.0
3.7
V
IDD
Working current
3V
Word
23
mA
Standby
3
uA
Fosc
System frequency
3V
16.0000
MHz
Freq
Working frequency
band
2402
2480
MHz
Rx Sens
Receiving sensitivity
-80
-87
dBm