4-bit single chip microcomputer
FIGARO
Version change of FIC93619A to “FIC02667”
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PD
02/10/31
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Contents
Janua...
Description
FIGARO
Version change of FIC93619A to “FIC02667”
F w C
PD
02/10/31
ww re .nu at an e ce. 8 com Tr ia
Contents
January 2003 Figaro Engineering, Inc. Figaro Engineering, Inc.
1. Designation of terminals 2. Function change 3. Recommended mode for FIC02667 4. Recommended circuit diagram 5. Ratings 6. Configuration and dimensions
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FIGARO
Outline
Due to discontinuance of its microprocessor chip, Figaro’s microcomputer FIC93169A is to be replaced by a new version “FIC02667”. In this document, usage of FIC02667 is explained in comparison to FIC93619.
FIC93619A
Part No.:M34225M2-XXXSP(Mitsubishi) Type: 4-bit single chip microcomputer Package: SDIP 30
Clock frequency: 2MHz
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02/10/31
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FIC02667 (new version)
Part No.:TMP47C443N(Toshiba)
Type: 4-bit single chip microcomputer Package: SDIP 28 Clock frequency: 4.19 MHz
(Recommended oscillator: CST4.19MGW [Murata])
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Figaro Engineering, Inc. 2
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FIGARO
1. Terminals
(1) Pin assignments
FIC93619A
Reset input Device selection mode setting A/D converter power supply/Ground A/D converter reference voltage 1 2 3 4 5 6 7 8 9 RESET INT AVSS VREF K0 VDD CNTR XIN 30 29 28 27 26 25 24 23 22 Power supply terminal Oscillator IN
Sensor signal input A/D converter power supply
Sensitivity setting input Operation mode (1) setting Operation mode (2) setting Sensor selection setting Malfunction monitor output
“Clean air” indication output “Polluted air” indication outp...
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