DOOR CHIME
WIRELESS DOOR CHIME 遙控門鈴 IC GENERAL DESCRIPTION 功能敘述 功能敘述
M1D-BL
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
• 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
• Wireless door bell, visitor chime etc..
BLOCK DIAGRAM 功能方塊圖 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 ABSOLUTE MAXIMUM RATING
Parameter Supply Voltage Input Voltage Operating Temperature Storage Temperature Rating -0.3 to 5.0 -0.2~VDD +0.2 -20 to 75 -50 to 125
M1D-BL
(TA=25℃) Unit V V ℃ ℃
ELECTRICAL CHARACTERISTICS
Characteristics Operating Voltage Operating Current Quiescent Current Output Drive Current Input Voltage Oscillator Frequency Sym. VDD IOP ISB IO VIH VIL Fosc Min. 2.4 ― ― 1 VDD –0.2 VSS ― Typ. 4.5 1 0.3 ― VDD VSS 80 Max. 5 10 1 ― VDD VSS +0.2 ― Unit V μA mA mA V KHz External± 30% No load @VDS=1.2V Conditions
PIN DESCRIPTION
No. 1~8 9 10 11 12 13 14 15 16 17 18 Name A0~A7 VSS TEST ENV BZ DI X Y VT 1T VDD 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 A1 A2 A3 A4 A5 A6 A7 VSS
M1D-BL
1 18 VDD 1T VT Y X DI BZ ENV 9 10 TEST
2/5
2002-03-04
DOOR CHIME
WIRELESS DOOR CHIME 遙控門鈴 IC PAD ASSIGNMENT & POSITION
M1D-BL
4
3
2
1
5 6 7 8 9 10 11 12 13 14
Y
18
X
17 16 15
No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
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 OPERATION FLOWCHART
M1D-BL
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 APPLICATION DIAGRAM 參考電路圖 參考電路圖
M1D-BL
A0 A1
VDD
IR / RF
M1E
VDD A0 DO Y A1 A2 Rosc A3 Y Rosc 1 18 DO X
IR / RF
A2 A3
A4 A5
1.9 x 1.9mm2 底=VDD
M1E
X TE D3
A4 A5 A6 A7 VSS 9 10
TE D3
A6 A7 VSS
A0 A1 A2
VDD
VT
M1D-BL
Y A0
IR / RF
VDD
IR / RF
1
18 1T Y X DIN BZ EN Rosc
1T
A1 A2
A3 A4
M1D-BL
1.7 x 2.2mm 底=VDD
2
Rosc VDD X A4 DI BZ A6 1M A5 VDD A3
VDD
VDD
1M
A5 A6 A7 VSS ENV + 4.7μF 330K
VDD
A7 VSS 9 10 330K + 4.7μF
VDD
D3 OPEN VSS
SOUND DING DONG DING DING
5/5
2002-03-04
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