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NuMaker-ML56SD
Mar. 08, 2021
Page
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Rev 1.01
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TK and LCD Cap
Figure 5-4 shows touch key and LCD cap of NuMaker-ML56SD.
Figure 5-4 Touch Key and LCD Cap Circuit
1
2
LEDG2
0805 LED G (
綠光
)
普亮
LED0805
R9
330R
R0603
VDD_MCU
TKLED
C16
1u
C0603
C17
0.1u
P11_DH1
P12_DH2
GND
VLCD Charge Pump Capacitor
Touch Keys offpage
VLCD
TK6
P56_Pin
Touch Key reference
VDD_MCU
GND
VDD_MCU
O f f - page Connect or
TK0
PCB Touch Keys
TK7
Tit le
Size
Docum ent Num ber
Rev
Dat e:
Sheet
of
NuMaker-ML56SD
v1.1
Touch_Key & LCD Power Cap
A
5
5
Thursday , September 10, 2020
Pin30
TKLED
TK7
REF (NC)
1
Touch Keys LED
K8
CTKey 0.8x08 (NC)
1
R18 0(NC)
R19 0(NC)
R20 0(NC)
TK7
TK7_R
TK0
TK6
SHILEDING1
SHILEDING (NC)
1
Top Layer Shielding
P36_Pin
TOP SHILED
P36
P05_NU3_D8
P56
P00_NU3_D11/MOSI
P05_Pin
TK0_R
TK6_R
Pin25
TK6
Pin24
TK7
Pin31
TK0