A2SI-L14-G1-SR ZMDI, A2SI-L14-G1-SR Datasheet - Page 18

• Manufacturer Part Number: A2SI-L14-G1-SR
• Description: Interface - Specialized ASI
• Manufacturer: ZMDI

Specifications of A2SI-L14-G1-SR

• Rohs: yes
• Product Type: Actuator Sensor Interface IC
• Operating Supply Voltage: 12 V to 31.6 V
• Supply Current: 8.5 mA
• Maximum Power Dissipation: 500 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOP-14
• Minimum Operating Temperature: - 25 C

4.7. FID Input and LED Output Ports
The fault indication input FID is a digital input that is dedicated for a periphery fault messaging signal (for
electrical properties refer to Table 3.4 on page 10). The S1 status bit is equivalent to the FID input signal. An
FID transition will occur at S1 with a certain delay due to a synchronizer circuit which is put in between.
In case of the 14 pin IC version the FID input is not available. The manufacturer (ZMDI) will disable this
function by setting the EEPROM flag FID_Disable (refer to Table C.1 ). A disabled FID pin function is
equivalent to a logic low input signal at an enabled FID pin. Therefore the status bit S1 is always cleared if an
IC is having a disabled FID pin.
The LED output port is used as a status indicator. An active FID (logic high) signal causes a flashing status
LED (frequency approx. 2Hz). Otherwise, if FID is not active (logic low) the status LED operation depends on
the communication status of the A²SI-L device. If the internal Data_Exchange_Disable flag is set (no data
exchange allowed), a steady-on LED shall indicate that the communication is off.
Notes:


Data Sheet
October 20, 2011
Figure 4-4: PWM Output Signal Timing
A²SI-Light 14 / A²SI-Light 16
Low End Device AS-Interface
An active FID has priority and will cause a flashing LED even if the Data_Exchange_Disable flag is set.
If the FID pin is disabled (EEPROM flag FID_Disable set), the LED output is always set to logic high state.
V
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© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 3.0
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without
the prior written consent of the copyright owner. The information furnished in this publication is PRELIMINARY and subject to
changes without notice.
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