AMIS-49587 Datasheet, PDF (51/59 Pages) ON Semiconductor – Power Line Carrier Modem

AMIS−49587
Table 41. DESCRIPTION OF WRITECONFIGNEW_REQUEST IN MONITOR MODE
Field
Length
Value
Description
R_CONF→BAUDRATE
2 bits
(b2,b1)
00
300 baud @ 50 Hz or 360 baud @ 60 Hz
01
600 baud @ 50 Hz or 720 baud @ 60 Hz
10
1200 baud @ 50 Hz or 1440 baud @ 60 Hz
11
2400 baud @ 50 Hz or 2880 baud @ 60 Hz
R_CONF→MAINS_FREQ
1 bit
0
mains frequency = 50 Hz
(b0)
1
mains frequency = 60 Hz
Pad
1 bit (b7)
0
This bit is not used (adjust length at 1 byte)
Search method
2 bits
(b6, b5)
0
Method V6
1
Method V3
SINC Filter
1 bit (b5)
0
Disabled (1111)
1
Enabled (1331)
SYNCHRO−Type→Mode
1 bit (b4)
0
Must be set to 0 (Synchronization on sub−frame pre-
amble)
SYNCHRO−Bit→Value
3 bits
(b3 to b1)
XXX
Synchro−bit value (in chip clock) in fixed mode
SYNCHRO−Bit→Mode
1 bit (b0)
1
Must be set to 1 (Fixed synchro bit)
SearchInitiatorGain or
Min−ReceivingGain Mode
1 bit (b7)
1
1 Min Receiving Gain selected
Search Initiator Gain or
Min−Receiving Gain
3 bits
(b6 to b4)
XXX
Value of the gain for Intelligent Synchronisation
or Min Receiving Value
Min Gain of reception = (value * 6 db)
Max−Receiving−Gain→Value
3 bits
(b3to b1)
XXX
Max Receiving gain value in limited mode
Range of reception = (value * 6 db)
Max−Receiving−Gain→Mode
1 bit (b0)
0
Non limited Max−Receiving−Gain
1
Limited Max−Receiving−Gain
Time out Inter Character TIC
1 bit (b7)
0
Constant of 10 ms
1
5 characters depending on communication speed
Bad CRC transmitting
1 bit (b6)
X
Don’t care
Pad correcting
1 bit (b5)
X
Don’t care
FSK +
1 bit (b4)
0
Disables the improvement of FSK
1
Enables the improvement of FSK
Alarm Filter
1 bit (b3)
X
Don’t care
Synchro without Gain Min
1 bit (b2)
x
0 disabled
1 enabled
Repeater
2 bits
(b1,b0)
XX
Don’t care
Time−out−search−initiator
2 bytes
XXXX
Don’t care
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