SI3019-F-FM Silicon Laboratories Inc, SI3019-F-FM Datasheet - Page 54
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SI3019-F-FM
Manufacturer Part Number
SI3019-F-FM
Description
IC VOICE DAA GCI/PCM/SPI 20-QFN
Manufacturer
Silicon Laboratories Inc
Series
-r
Datasheet
1.SI3050-E-FM.pdf
(128 pages)
Specifications of SI3019-F-FM
Function
Data Access Arrangement (DAA)
Interface
GCI, PCM, SPI
Number Of Circuits
1
Voltage - Supply
3 V ~ 3.6 V
Current - Supply
8.5mA
Power (watts)
*
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
20-VFQFN Exposed Pad
Includes
*
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Si3050 + Si3011/18/19
The data presented to the Si3050 in the downstream Monitor bits must be present for two consecutive frames to be
considered valid data. The Si3050 checks to ensure it receives the same data in two consecutive frames. If not, it
does not acknowledge receipt of the data byte and waits until it does receive two consecutive identical data bytes
before acknowledging to the transmitter that it received the data. If the transmitter attempts to signal transmission
of a subsequent data byte by placing the downstream MX bit in an inactive state while the Si3050 is still waiting to
receive a valid data byte transmission of two consecutive identical data bytes, the Si3050 signals an abort and
ends the transmission. Figure 45 shows a state diagram for the Receiver Monitor channel for the Si3050. Figure 46
on page 55 shows a state diagram for the Transmitter Monitor channel for the Si3050.
54
MX
Received
New Byte
1st Byte
MR = 1
MR = 0
MR = 0
MR = 1
Valid
Byte
Idle
MX
MX x LL
Figure 45. Si3050 Monitor Receiver State Diagram
MX
MX x LL
MX
MX
MR: MR bit calculated and transmitted on DTX line.
MX: MX bit received data downstream (DRX line).
LL: Last look of monitor byte received on DRX line.
ABT: Abort indication to internal source.
MX
received
nth Byte
MR = 1
MR = 1
Rev. 1.4
Abort
MX
MX x LL
ABT
MX x LL
Initial
State
State
Any
MX x LL
MX
MR = 0
MR = 0
for LL
for LL
Wait
Wait
MX
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