ETC M1E Wireless door chime Datasheet

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
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