APPLICATIONS
Cell phone, tablet PC, notebook, touch pad. Shanghai Hynitron Microelectronics Co., Ltd 1 Hynitron Microelectronics 4．TYPICAL APPLICATION VDDA CST340 VDDIO C1 C2 R1 R2 R3 C3 VDDA VDD18 VSSA SCL SDA IRQ IRQ RSTn RSTn VDDHV NC TX0 TX0 TX1 TX1 TX2 TX2 ... TXn TXn RX0 RX0 RX1 RX1 RX2 RX2 ... RXm RXm C1 2.2uF/10V C2: 0.1uF ~ 1uF/10V C3 10nF ~ 100nF/16V R3: 200Ω VDDIO VDDA or VDD18 R1/R2 External pull up resistor or internal 5K pull up resistor Sensor ID Floating or connecting unused TX/ RX to GND to assign an ID Shanghai Hynitron Microelectronics Co., Ltd 2 Hynitron Microelectronics 5．PIN CONFIGURATIONS CST340 52 RX2 51 RX1 50 RX0 49 VSSA 48 TX25 47 TX24 46 TX23 45 TX22 44 TX21 43 TX20 42 TX19 41 TX18 40 TX17 VDD18 14 NC 15 IRQ 16 NC 17 NC 18 SDA 19 SCL 20 VDDHV 21 RSTn 22 TX0 23 TX1 24 TX2 25 TX3 26 6． PIN FUNCTION DESCRIPTIONS PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 NAME RX3 RX4 RX5 RX6 RX7 RX8 RX9 RX10 RX11 RX12 RX13 VDDA NC VDD18 TYPE I/O I/O I/O I/O I/O I/O I/O I/O I/O I/...
Hynitron
