User Manual

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5. POWER SUPPLY
6. PIN DESCRIPTION
6.1 CN1 PIN DESCRIPTION
ITEM SYMBOL LEVEL FUNCTION
1 VDD +3.3V Power Supply For Logic
2 VCC +5.0V Power Supply For Logic
3 SDA H/L I
2
C-Bus Serial Data
4 VCC +5.0V Power Supply For Logic
5 SCL H/L I
2
C-Bus Serial Clock
6 GND 0V Power Ground
7~8 NC — No connection
9 GND 0V Power Ground
10 NC — No connection
11 NC — No connection
12 NC — No connection
13 NC — No connection
14 GND 0V Power Ground
15~19 NC — No connection
20 GND 0V Power Ground
21~24 NC — No connection
25 GND 0V Power Ground
26~29 NC — No connection
30 GND 0V Power Ground
31~33 NC — No connection
34 GND 0V Power Ground