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Advantech Confidential

 

Exclusively for Midoriya

 

 

EH-7104G Guide ver 1.doc      3 of 10 

05/07/20   

3.

 

System Block Diagram   

 

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Summary of Contents for EH-7104G

Page 1: ...ject is an ODM business that Advantech defines the product specifications based on the customer s Home Automation system requirements and develops the electronics mechanism and Win CE 3 0 Japanese ver...

Page 2: ...guration The block diagram of the EH 7104 MD based Home Automation environment is as follows Advantech is in charge only for the Home Terminal This diagram shows clearly the interconnection of the EH...

Page 3: ...Advantech Confidential Exclusively for Midoriya EH 7104G Guide ver 1 doc 3 of 10 05 07 20 3 System Block Diagram 1...

Page 4: ...D Pin Definition Active Logic Level GPIO0 Reserved LED 1 Turns LED on GPIO1 Intrusion LED 1 GPIO2 Emergency Call LED 1 GPIO3 Gas Leakage LED 1 GPIO4 Fire Alarm LED 1 GPIO5 Water Leakage LED 1 GPIO6 No...

Page 5: ...k OFF 0 SW3 ON 0 SW2 OFF 0 SW1 OFF Remark SW3 is normal closed type relay switch It is ON by default after the machine having been powered on 4 4 AD1881 ALC200 Audio Codec Signals Codec Pin Direction...

Page 6: ...coming calls via the microphone speaker 9 If the Handset is off hooked the door inter phone audio signals are connected directly to the handset The user can just pick up the handset to answer the call...

Page 7: ...paths of ALC 200 or AD1881 mixer circuitry will route the received voice data from MIC1 to LINOUTL and make the user hear voices from built in speaker 5 3 Voice Communication between Door Phone and H...

Page 8: ...Disabled LINOUTR Disabled LINOUTL Enabled Send the voice data to ear speaker of handset LINEINL Enabled Get the voice data from handset microphone BT878A Port ID State GPIO16 1 shut down speaker ampl...

Page 9: ...pin of the Audio Codec and must be sent through LINOUTL to the built in microphone immediately for playing the voice The voice being recorded by the built in microphone will be got from the MIC1 pin a...

Page 10: ...n the following table These Control Registers control mainly the internal Mixer functions of the Audio Codec To configure the paths of the audio signals AP must set up the switches of Mixer inputs and...

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