User Manual

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4
第
4
页 共
10
页
35 NC —
No connection
36 NC — No connection
37 NC — No connection
38 NC — No connection
39 GND 0V Power Ground
40 NC — No connection
6.2 CN2 PIN DESCRIPTION
ITEM SYMBOL LEVEL FUNCTION
1 NC — GPIO16 of the Raspberry Pi
2 Select Select button
3 NC — GPIO17 of the Raspberry Pi
4 Up Up button
5 NC — GPIO18 of the Raspberry Pi
6 Down Down button
7 NC — GPIO19 of the Raspberry Pi
8 Left Left button
9 NC — GPIO20 of the Raspberry Pi
10 Right Right button
7. MAXIMUM ABSOLUTE LIMIT (Ta=25°C)
Items Symbol Min Max Unit Condition
Supply Voltage Vdd 0 5.2 V Vss=0V
Input Voltage Vin 0 Vdd V Vss=0V
Operating Temperature Top -20 +70 ℃ No Condensation
Storage Temperature Tst -30 +80 ℃ No Condensation
Note: Voltage greater than above may damage the module
All voltages are specified relative to V
SS
=0V
8. ELECTRICAL CHARACTERISTICS
8.1 DC Characteristics (VDD=+5.0V, VSS=0V, Ta=-0~+50
°C
)
Items Symbol Test Condition Min TYP Max Unit
Operating Voltage V
DD
3.0V — 5.2 V
Supply Current I
DD
Use internal
Oscillator/external
clock(VDD=5V，
fosc=250KHz)
— 55 60 mA
Input High Voltage 1
(Except OSC1)
V
IH1
— 2.5 — Vdd V
V
IL1
— -0.3 — 0.6
Input High Voltage 2
(Except OSC1)
V
IH2
— Vdd-1.0 — Vdd V
V
IL2
— -0.2 1 V