Touch PAD for Remote BS83B16 + HT46RB70 Touch Key Flash MCU Characteristics Touch MCU : BS83B16 24SSOP ( 8-bit Flash type MCU) Integrated EEPROM Few peripheral components needed and high stability High sensitivity and S/N ratio DATA EEPROM C/R-F Sensor Detect SPI / I2C LVR INT Holtek 8-bit MCU Core POR Internal RC Timer Time Base Operating Procedure After power-on, the system is ready for operation using the same method as the general Touch Pads Supports the double click function Application Circuit Main_Board 1 3 2 PWR2.5 D1 P3 1 2 Vin Vin D2 Vout 3 1 2 3 4 VBUS DD+ GND USB_DUSB_D+ 1 1 J1 Vin R13 R14 33R 33R DD+ HT7533 C1 10uF 5 SHLD VCC 1MC8 470p U5 300 D+ D- R11 1.5K PC0 PE1 C10 103 C7 104 C5 3V3 C4 10uF R18 10K 1 R4 VCC D3 Q1 KTC8550S CP1 104 C9 104 R1 330R VCC R3 PA7 330R 1 2 3 4 5 6 7 8 9 10 11 12 Header 12 Header 12 CN1 CN1-1 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 Header 12 PA5 Header 12 C6 1 GND LED2 VCC VCC U1 KEY1 KEY2 KEY3 KEY4 KEY5 KEY6 KEY7 KEY8 KEY9 KEY10 KEY11 KEY12 BS83B16-3 PA1 PA4/INT PA3/SCS PA0/SDI/SDA PA2/SCK/SCL PA7/SDO/RES AVDD/VDD AVSS/VSS KEY16 KEY15 KEY14 KEY13 24 23 22 21 20 19 18 17 16 15 14 13 DATA PA0 PA2 RESET VCC CLOCK R1 10KΩ KEY16 KEY15 KEY14 KEY13 KEY_L VCC KEY_R CP1 104 C1 10u 12 11 10 9 8 7 6 5 4 3 2 1 Header 12 VCC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 PB5 PB4 PB3 PB2 PB1 PB0 PE3 PE2 PE1 PC0 LCM_CS1 R19 0R LCM_CS2 R2 0R LCM_RES R20 0R R21 0R LCM_A0 LCM_RW LCM_E LCM_DB0 LCM_DB1 LCM_DB2 LCM_DB3 LCM_DB4 LCM_DB5 LCM_DB6/SCLK R22 0R LCM_DB7/SI R23 0R LCM_C86 LCM_PS Vin R8-1 10R PC0 PA4 PA3 PA2 VCC PA1 PA0 VCC Header 18 VCC R8-2 10R R7 10K VCC LCM_RES C11 10uF PE1 C10 104 LED3 VCC R24 Q1 KTC8050S P1 1 2 3 4 5 6 7 8 9 10 11 12 Vin VCC P2 Header 12 Touchpad_Board KEY1 KEY2 KEY3 KEY4 KEY5 KEY6 KEY7 KEY8 KEY9 KEY10 KEY11 KEY12 Display_Board PD0 PD1 PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7 VCC 1 2 3 4 5 6 7 8 9 10 11 12 R2 10K Q2 KTC8050S 20p PA6 SW2 SW-PB CN2-1 1 2 3 4 5 6 7 8 9 10 11 12 P1 20p Y1 12M HT46RB70-28 LED1 R5 2K 2 PA4 PA5 PA6 PA7 RESET 2 28 27 26 25 24 23 22 21 20 19 18 17 16 15 PA4 PA5 PA6 PA7 RES VDD/AVDD VSS/AVSS OSC1 OSC2 V33O UDP UDN PC0/INT PE1/CLK 1 VCC PA3 PA2 PA1 PA0 PD1/PWM1 PD0/PWM0 PB5/AN5 PB4/AN4 PB3/AN3 PB2/AN2 PB1/AN1 PB0/AN0 PE3/SDO PE2/SDI CN2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Vin VCC PB5 PB4 PB3 PB2 PB1 PB0 PE3 PE2 PE1 PC0 C3 C2 47p 47p 440247-2 R6 PA3 PA2 PA1 PA0 PD1 PD0 PB5 PB4 PB3 PB2 PB1 PB0 PE3 PE2 PD0 PD1 PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7 U1 2 GND J2 10R PD0 VCC R4 6800 0R LCM_C86 R5 Parallel 0R LCM_PS R9 0 R 8080 R10 0 R Serial