DOOR CHIME WIRELESS DOOR CHIME 遙控門鈴 IC M1D-BL GENERAL DESCRIPTION 功能敘述 The M1D-BL is a CMOS ASIC for wireless door bell receiver use. It will receive the RF signal from M1E (ENCODER) and give a DING-DONG output if address are checked the same.. FEATURES 產品特長 • Same Rosc matched to the ENCODER M1E • 28 = 256 codes, “0”, “1” binary • 3 cycles checked each time • BZ : DING-DONG / DING-DING sound • 1T : 1 time option (default 2 times) • RC envelop APPLICATIONS 產品應用 • Wireless door bell, visitor chime etc.. BLOCK DIAGRAM 功能方塊圖 X Oscillator Y Freq Divider ENV DI Central 1T A0 Input Control Control Logic unit Output Driver VT BZ A7 *All specs and applications shown above subject to change without prior notice. ( 以㆖電路及規格僅供參考,本公司得逕行修正 ) 1/5 2002-03-04 DOOR CHIME WIRELESS DOOR CHIME 遙控門鈴 IC M1D-BL ABSOLUTE MAXIMUM RATING (TA=25℃) Parameter Supply Voltage Rating -0.3 to 5.0 Unit V -0.2~VDD +0.2 V Operating Temperature -20 to 75 ℃ Storage Temperature -50 to 125 ℃ Input Voltage ELECTRICAL CHARACTERISTICS Characteristics Operating Voltage Sym. VDD Min. 2.4 Typ. 4.5 Max. 5 Unit V Operating Current IOP ― 1 10 μA Quiescent Current ISB ― No load IO 1 1 ― mA Output Drive Current 0.3 ― mA @VDS=1.2V VIH VDD –0.2 VDD VDD VIL VSS ― VSS VSS +0.2 ― Input Voltage Oscillator Frequency Fosc 80 Conditions V KHz External± 30% PIN DESCRIPTION No. 1~8 9 10 11 12 13 14 15 16 Name A0~A7 VSS TEST ENV BZ DI X Y VT 17 1T 18 VDD M1D-BL Description 3 states address inputs Negative power supply Testing use RC envelop Audio output Data input Oscillator input Oscillator output Valid transmit OPEN : 2 times VDD : 1 time Positive power supply A0 18 VDD A1 1T A2 VT A3 Y A4 X A5 DI A6 BZ A7 ENV VSS 2/5 1 9 10 TEST 2002-03-04 DOOR CHIME WIRELESS DOOR CHIME 遙控門鈴 IC M1D-BL PAD ASSIGNMENT & POSITION 4 3 2 No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 5 Y 6 18 7 X 17 8 16 9 15 10 11 12 13 14 NAME BZ DI X Y VT 1T VDD A0 A1 A2 A3 A4 A5 A6 A7 VSS TEST ENV X 635 425 192 -639 -639 -639 -639 -639 -639 -639 -126 107 402 635 635 635 635 635 UNIT : um Y 812 812 812 812 534 178 -55 -265 -505 -810 -810 -810 -810 -810 -600 -367 -157 76 * CHIP SIZE ~ 1.7 x 2.2 mm2 * IC substrate should be connected to VDD in PCB(PCB ㆖ IC 底座必須接 VDD) TIMING WAVEFORM (1) BIT FORMAT “0” “OPEN” (2) TIMING DIAGRAM DI 4 WORDS 4 WORDS 4 WORDS VT BZ 3/5 2002-03-04 DOOR CHIME WIRELESS DOOR CHIME 遙控門鈴 IC M1D-BL OPERATION FLOWCHART Power ON Stand-by N Data in? N Address matched? Store data/add N Match previous stored data/add? N Check completed? VT high Ding-Dong output 4/5 2002-03-04 DOOR CHIME WIRELESS DOOR CHIME 遙控門鈴 IC M1D-BL APPLICATION DIAGRAM 參考電路圖 M1E VDD A0 VDD IR / RF A0 A1 1 18 DO A1 Y A2 IR / RF DO X A2 A3 Rosc Y Rosc A3 M1E A4 1.9 x 1.9mm2 底=VDD A5 A4 TE TE A5 D3 D3 A6 X A6 A7 A7 VSS VSS A0 VDD 9 10 M1D-BL VT VDD A1 A0 Y A2 1T 1 1T A1 IR / RF Y A2 Rosc M1D-BL A3 VDD 2 1.7 x 2.2mm 底=VDD A4 IR / RF 18 VDD X A3 X A5 VDD DIN A4 DI Rosc VDD 1M 1M BZ A5 BZ A6 EN A6 ENV A7 ＋ 4.7μ μF VSS A7 VDD VSS 330K 9 10 330K ＋ 4.7μ μF VDD D3 OPEN VSS SOUND DING DONG DING DING 5/5 2002-03-04