AS2701 데이터 시트보기 (PDF) - austriamicrosystems AG
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AS2701 Datasheet PDF : 16 Pages
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AS-Interface Slave IC
AS2701A (ISA3+)
Application Example 2:
Sensor / actuator circuit supplied from the AS-Interface Bus for supply current needs > 35 mA.
It is recommended to protect the AS-Interface Bus by a fuse in this set-up, if there is a high risk
of excessive current extraction due to component failure (e.g.: MC1747 or other components in
the sensor / actuator circuitry).
ASI-P
ASI-N
100n
10 LTGN
11 LTGP
12 CDC
5 DSTBn
16 PSTBn
14 OSC1
15 OSC2
17 P0
18 P1
19 P2
20 P3
U1
130k
12k
100n
2,2mH 2,2mH
100n 100n
100n100n
SDA 9
SCL 8
TEST 7
U5R 6
UOUT 13
D0 4
D1 3
D2 2
D3 1
ST24C01
8 VCC
4 VSS
5 SDA
7 MODE
6 SCL
1 E0
2 E1
3 E2
C
A
K
E
10µ
100n
130k
2,2mH 2,2mH
4 U+
5 - RF11
7 + 10
8 U-
MC1747
AS-Interface Quartz 5.333 MHz
AS2701A works fine with the following crystal types:
Citizen CM 309
Philips SQ 4849
AS-Interface quartz crystals are available from:
Endrich GmbH
Contact: Axel Gensler
Hauptstr. 56
D-72202 Nagold
Tel.: +49-7452-6007-31
Fax: +49-7452-6007-70
Email: a.gensler@endrich.com
Geyer electronic
Contact: Jürgen Blank
Camerloherstr. 71
D-80689 München
Tel.: +49-89-546868-13
Fax: +49-89-546868-90
Rev. C, October 2000
Page 14 of 16
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