M1D-BL ETC
Document overview
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Technical content
遙控門鈴 IC DOOR CHIME M1D-BL GENERAL DESCRIPTION 功能敘述功能敘述功能敘述功能敘述 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 產品特長產品特長產品特長產品特長
- 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 產品應用產品應用產品應用產品應用
- Wireless door bell, visitor chime etc.. BLOCK DIAGRAM 功能方塊圖功能方塊圖功能方塊圖功能方塊圖 *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 ) Oscillator Control Input X ENV Freq Divider Logic unit Control Output Driver Y DI Central VT BZ
遙控門鈴 IC DOOR CHIME M1D-BL A B S O L U T E M A X I M U M R A T I N G (TA=25℃) Parameter Rating Unit Supply V oltage -0.3 to 5.0 V Input V oltage -0.2~V DD +0.2 V Operating Temperature -20 to 75 ℃ Storage Temperature -50 to 125 ℃
ELECTRICAL CHARACTERISTICS
Characteristics Sym. Min. Typ. Max. Unit Conditions Operating V oltage V DD 2.4 4.5 5 V Operating Current I OP ― 11 0 μA Quiescent Current I SB ― 0.3 1 mA No load Output Drive Current I O 1 ―― mA @V DS=1.2V VIH VDD –0.2 V DD VDD Input V oltage VIL VSS VSS VSS +0.2 V Oscillator Frequency Fosc ― 80 ― KHz External± 30% PIN DESCRIPTION No. Name Description 1~8 A0~A7 3 states address inputs
9 VSS Negative power supply
10 TEST Testing use
11 ENV RC envelop
12 BZ Audio output
13 DI Data input
14 X Oscillator input
15 Y Oscillator output
16 VT Valid transmit
17 1T OPEN : 2 times VDD : 1 time
18 VDD Positive power supply
Y DI BZ ENV TEST X
遙控門鈴 IC DOOR CHIME M1D-BL PAD ASSIGNMENT & POSITION * 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 WA VEFORM (1) BIT FORMAT (2) TIMING DIAGRAM “0” “OPEN” UNIT : um No. NAME X Y 1B Z 6 3 5 8 1 2 2D I 4 2 5 8 1 2 3X 1 9 2 8 1 2 4Y - 6 3 9 8 1 2 5V T - 6 3 9 5 3 4
61 T - 6 3 9 1 7 8
7 VDD -639 -55
8 A0 -639 -265
9 A1 -639 -505
10 A2 -639 -810
11 A3 -126 -810
12 A4 107 -810
13 A5 402 -810
14 A6 635 -810
15 A7 635 -600
16 VSS 635 -367
17 TEST 635 -157
18 ENV 635 76
4 WORDS 4 WORDS 4 WORDS
X Y
遙控門鈴 IC DOOR CHIME M1D-BL OPERATION FLOWCHART Power ON Stand-by Data in? Match previous stored data/add? N N Address matched? N Store data/add Check completed? VT high Ding-Dong output N
遙控門鈴 IC DOOR CHIME M1D-BL APPLICATION DIAGRAM 參考電路圖參考電路圖參考電路圖參考電路圖 TE VSS X Y VDD DO M1E 底底底底=VDD 1.9 x 1.9mm2 Rosc IR / RF M1E VSS VDD DO X Y TE Rosc 11 8 91 0 IR / RF D3 SOUND OPEN DING DONG VSS DING DING M1D-BL VSS VDD Y X Rosc DIN EN BZ 11 8 91 0 IR / RF 330K 4.7μμμμF VDD ＋＋＋＋ VDD VDD X Y VDDVSS DI BZ ENV VDD VT M1D-BL 底底底底=VDD 1.7 x 2.2mm2 Rosc IR / RF 330K 4.7μμμμF ＋＋＋＋ VDD VDD