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2.3
Receiver
2.3.1
Description
The GuidePort Receiver automatically reacts to the magnetic fields created by
Identifier Transmitters (see 2.4). These Identifiers transmit a number which is related
to a certain audio event. When receiving this number, the receiver will transfer the
corresponding audio information to the Mollie System. Mollie then decides on the action
to be taken, for example to play the audio information. The GuidePort Receiver uses a
prestored assignment table for translating the numbers into the correct action.
2.3.2
Mollie Interface
The physical interface consists of:
Function
Analog:
Analog audio signals (L, R)
3.3 V power line, digital
5 V power line, analog
Analog ground
Digital:
Parallel data
'Interrupt_1' (Active Low)
'Read/Write'
'Reset' (Active Low)
'Frame Clock'
'Interrupt_2'
Digital ground
GuidePort: System Manual
No. of lines
Direction
2
from GP receiver to Mollie
1
from Mollie to GP receiver
1
from Mollie to GP receiver
1 or more
8
bi-directional
1
from Mollie to GP receiver
1
from Mollie to GP receiver
1
from Mollie to GP receiver
1
from GP receiver to Mollie
1
from GP receiver to Mollie
1 or more
27. November 2000
Seite 12
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