SM5212E Datasheet | SamHop Microelectronics

DESCRIPTION SM5212E is a RF remote control encoder paired with SM5212D. It utilizes CMOS technology. The chip has 12 bits of 2-state address pins that provides 212 codes. SM5212E/SM5212D pair is suitable for use on remote controller. FEATURES - - - - - CMOS technology Low power consumption Wide range operating voltage, Vcc = 2.4~12V Up to four data bits High noise immunity APPLICATION - - - - - - Car Security Garage Door Ceiling Fan Home Security/Automatic Toys Wireless doorbell PIN ASSIGNMENTS (TOP VIEW) A0 A1 A2 A3 A4 A5 A6 A7 Vss 1 2 3 4 5 6 7 8 9 SM5212E 18 17 16 15 14 13 12 11 10 VDD Dout OSC1 OSC2 TE A11/D0 A10/D1 A9/D2 A8/D3 NC A0 A1 A2 A3 A4 A5 A6 A7 Vss 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 NC VDD Dout OSC1 OSC2 TE A11/D0 A10/D1 A9/D2 A8/D3 SM5212E-S Page 1 V1.0 SAMHOP Microelectronics Corp. 212 RF ENCODER BLOCK DIAGRAM OSC2 OSC1 OSCILLATOR ¡Ò 3 DIVIDER DATA SELECT & BUFFER DOUT A0 A1 A2 A3 A4 A5 A6 A7 ¡Ò 12 COUNTER & 1 OF 12 DECODER SYNC. CIRCUIT 12 TRANSMISSION GATE CIRCUIT BINARY DETECTOR A11/D0 A10/D1 A9/D2 A8/D3 Page...