Block Diagram

U11
Color Display
240x
240 Pixels
U8
Bluetooth MPU chip
nRF52832
JS8
BT Antenna
Q90-HR Block Diagram
X1
Crystal
32MHz
X2
Crystal
32.768K
System Clock
RTC Clock
U6
BMA253
G-Sensor
U12
TTP232-CA6
Touch Sensor IC
System Power
3.3V
JS1 / JS6
Vibrate Motor
U14
DIO3581
Back-light
Control Circuit
SPI BUS
U10, U13
DIO3581
Heart-rate Circuit
Charge Cable
DC5V
Power-in
J
S3 / JS4
Li-polymer
Battery
U1
EUP8054
Battery Charge
U2
RT9078-3.3V
LDO 3.3V
Touch1
U5
FM25Q16
Flash Memory
Green LED
Touch2
2402-2480 MHz
Product trademark Q-Watch
Model Q-90