M1D-BL Datasheet, PDF (1/5 Pages) List of Unclassifed Manufacturers – WIRELESS DOOR CHIME

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
Freq
Y
Oscillator
Divider
ENV
DI
Output
Central
Driver
VT
1T
Input
Control
A0
Control
Logic unit
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 )
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2002-03-04