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RE46C190 데이터시트(PDF) 17 Page - Microchip Technology

부품명 RE46C190
상세설명  CMOS Low Voltage Photoelectric Smoke Detector ASIC with Interconnect
PDF  42 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

RE46C190 데이터시트(HTML) 17 Page - Microchip Technology

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 2010 Microchip Technology Inc.
DS22271A-page 17
RE46C190
4.2
User Selections
Prior to smoke calibration, the user must program the
functional options and parametric selections. This
requires that 14 bits, representing selected values, be
clocked in serially using TEST as a data input and
FEED as a clock input, and then be stored in the
internal EEPROM.
The detailed steps are as follows:
1.
Power up with bias conditions as shown in
Figure 4-1. At power-up
TEST = TEST2 = FEED = IO = VSS.
FIGURE 4-1:
Nominal Application Circuit for Programming.
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1 VSS
IRED
VDD
TEST
TEST2
IRP
IRN
RLED
FEED
GLED
IRCAP
IO
HB
HS
VBST
LX
RE46C190
V1
3V
V4
V5
V6
V7
Smoke
Chamber
D2
D3
V2
5V
V3
5V
Monitor RLED,
GLED, and HB



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