MA108 Datasheet, PDF (15/19 Pages) Megawin Technology Co., Ltd – USB Low Speed

MA108
USB Low Speed HID Keyboard V1.01
6.3
Keyboard BOM List
Comment
MA108
10u/16V
1u/16V
Table 6-1 USB Keyboard BOM List
Pattern
Quantity Note
DICE or LQFP48
1
USB HID Keyboard
SMD or DIP
1
VBUS to GND (Near by USB connector)
SMD or DIP
1
V33 to GND (Nearby MA108)
0.1u/16V
SMD or DIP
2
RESB to GND
VBUS to GND (Nearby MA108)
LED-G
SMD or DIP
3
LED GRN 17-21VGC/TR8 VR5V 30mA
6.4 Keyboard EMI Reference
 Lab : CRC TR6 3M RE CHAMBER
 EUT : PC(110V) and USB Keyboard
 Keyboard PCB Layout
 Single Layer (CEM3) : 1.6mm
 Thick Cu : 1 oz
 Cable without ring core
 About 1m60cm
 Key-scan : ‘H’ key press, silver / carbon membrane without VSS shielding
 ALL LED ON.
This document information is the intellectual property of Megawin Technology.
 Megawin Technology Co., Ltd. 2014 All right reserved.
QP-7300-03D
15/19