Specifications

 Real-Time Counters (RTC)
 Supports generic 4-wire SPI master/slave
 Supports 8 channel Low power comparator
 400ksps, 12bit, 8channel AUXADC
 Timers x 8
 I2C x 2
 PWM x 8
 UART x 2
 I2S/PCM interface for external audio codec
 Supports I8080 interface for LCD
 Supports external 40MHz XTAL without capacitor (in limited condition)
 Supports external 32.768kHz XTAL without capacitor (in limited condition)
 Support embedded internal 32K RCOSC to keep BLE link (in limited condition)
 Embedded PGA and audio ADC with 5-band EQ for analog MIC interface
Package
 RTL8762CK: 48-pin 6x6mm QFN
2.Electrical specifications
Core module
RTL8762CK
MCU core
ARM
Cortex-M4F 32-bit
Flash 128Kb+128Mb
LCD
1.3 Inch TFT BOE IPS 240*240
G- sensor STK8321
TP All touch
BT Bluetooth 5. 0 (Bluetooth Low Energy or Bluetooth Smart)
Motor Wire bonding
FPC external expansion
function
Heart rate + charging
Mechanical specifications
Material PCB Module