Schematics

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Optimus Logic Sys Pvt Ltd
+3V3 +3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
+3V3
ADC0_EN
ADC0
ADC1
I2C_SCL
I2C_SDA
S3IO_2
IMU_INT
S3IO_4
S3IO_5
USR_BUTTON
S3IO_7
S3IO_10
S3IO_11
S3IO_12
S3IO_13
SWD_CLK
SWD_IO
S3IO_8
S3IO_9
SPI_SLV_CLK
SPI_SLV_MISO
Q_LED_B
SPI_SLV_MOSI
SPI_SLV_CSn
Q_LED_G
Q_LED_R
I2S_WCLK
I2S_DOUT
S3IO_25
SPI_MST_CS2
PDM_DATA
PDM_CKO
S3IO_30
I2S_CLK
S3IO_35
USB_D_N
USB_D_P
HEADER_P6
HEADER_TX
HEADER_RX
SYS_RST
SYS_RST
USR_BUTTON
SPI_MST_MISO
SPI_MST_CLK
SPI_MST_MOSI
Title
Size Document Number Rev
Date: Sheet of
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QuickThing+
B
2 6Thursday, October 22, 2020
Title
Size Document Number Rev
Date: Sheet of
<Doc> 0
QuickThing+
B
2 6Thursday, October 22, 2020
Title
Size Document Number Rev
Date: Sheet of
<Doc> 0
QuickThing+
B
2 6Thursday, October 22, 2020
R16
1K5
R17
22E
Y2
ABS07-32768KHZ-T
R14
10K
C13
12 pF
R13
10K
DNP
TP4
C6
0.1uF
TP2
IC3
GD25Q16CWIGR
CS#
1
SO__IO1_
2
WP#__IO2_
3
VSS
4
SI__IO0_
5
SCLK
6
HOLD#__IO3_
7
VCC
8
PAD
9
R21
10K
R23
10K
R18
22E
R15
10K
C14
0.1uF
C10
0.1uF
J2
CON2
1
2
TP1
TP7
R22
10K
C8
4.7uF
U1
EOS_S3B_VBGA64
GPIO0
B1
GPIO1
C1
GPIO2
A1
GPIO3
A2
GPIO4
B2
GPIO5
C3
GPIO6
B3
GPIO7
A3
GPIO8
C4
GPIO9
B4
GPIO10
A4
GPIO11
C5
GPIO12
B5
GPIO13
D6
GPIO14
A5
GPIO15
C6
GND1
D3
GND2
D4
GND3
D5
LDO_VIN
A6
LDO_VOUT2
B6
ADC0
A7
AVDD
D8
AGND
A8
OSCO
C8
OSCI
B8
SYS_RSTn
F8
GPIO16
E7
GPIO17
D7
GPIO18
E8
GPIO19
H8
GPIO20
G8
GPIO21
H7
GPIO22
G7
VCCIOB1
E4
VCCIOB2
E6
GPIO23
H6
GPIO24
G6
GPIO25
F7
GPIO26
F6
STM
E5
GPIO27
H5
GPIO28
G5
GPIO29
F5
GPIO30
F4
GPIO32
H4
GPIO33
E3
GPIO34
F3
VPP_FSOURCE
G3
GPIO35
F2
GPIO36
H3
GPIO37
G2
GPIO38
E2
GPIO39
H2
GPIO40
D2
GPIO41
F1
GPIO42
H1
GPIO43
D1
GPIO44
E1
GPIO45
G1
ADC1
C7
VCCIOA
C2
GPIO31
G4
LDO_VOUT1
B7
R10
10K
R20
10K
J3
CON2
1
2
TP3
C7
0.1uF
C9
4.7uF
R19
1K5
R12
10K
DNP
C11
0.1uF
C12
12 pF R11
10K
SPI_MST_MISO
SPI_MST_MOSI
SPI_MST_CLK
SPI_MST_MISO
SPI_MST_MOSI
SPI_MST_SS
SPI_MST_CLK
SPI_MST_SS