XE8000EV108 Semtech, XE8000EV108 Datasheet - Page 83
![EVAL BOARD FOR XE8806/XE8807](/photos/9/22/92267/xe8000ev108_sml.jpg)
XE8000EV108
Manufacturer Part Number
XE8000EV108
Description
EVAL BOARD FOR XE8806/XE8807
Manufacturer
Semtech
Type
MCUr
Specifications of XE8000EV108
Contents
Fully Assembled Evaluation Board
For Use With/related Products
XE88LC06AMI026
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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The Reception block consists of:
•
•
•
•
The Transmission block consists of:
•
•
The Prescaler generates the clock signals needed for the reception and transmission depending on the selected
baud rate and PCM code type.
14.4 Register map
© Semtech 2006
The “Filter”. The input data are filtered depending on the selected baud rate. The block extracts the bit
synchronization clock. When an external bit synchronization clock is used, the filter is bypassed.
The “Start Detection” block. This block detects a programmable start sequence and therefore synchronizes at
the message start. The interface ignores incoming messages until the start sequence is detected. This block
can be bypassed or an external message synchronization signal can be used (match in Figure 14-1).
The “PCM Decoder” which decodes the 3 main types of PCM waveforms ( i.e. NRZ, Bi-Phase, Miller). This
block can be bypassed.
The “Shift Register” and the FIFO, that do the serial to parallel conversion and memorize the input data.
The FIFO and the “Shift Register” which store the data and do the parallel to serial conversion.
The “Encoder” which encodes the serial data into the chosen PCM type. This block can be bypassed.
pos.
pos.
7-6
5-4
3-0
7-6
2-0
5
4
3
RfifBRCoarse(1:0)
RfifBRFine(3:0)
RfifEnStart(1:0)
RegRfifCmd1
RegRfifCmd2
RfifPCM(2:0)
RfifRxClock
RfifTxClock
RfifEnCod
unused
r/w
r/w
r/w
r/w
r/w
r/w
rw
r/w
rw
-
Table 14-2: RegRfifCmd1
Table 14-3: RegRfifCmd2
Table 14-1: Rfif registers
0000 nresetglobal
000 nresetglobal
RegRfifCmd1
RegRfifCmd2
RegRfifCmd3
RegRfifTx
RegRfifTxSta
RegRfifRx
RegRfifRxSta
RegRfifRxSPat
00 nresetglobal
00 nresetglobal
0 nresetglobal
0 nresetglobal
0 nresetglobal
register name
reset
reset
-
14-3
‘1’ enables decoder (Rx) / encoder (Tx)
Start Detection mode in Rx mode (see
‘1’ enables external clock output (Tx)
‘1’ enables external clock input (Rx)
Select baud rate (coarse selection)
Select PCM type (see page 14-6)
Select baud rate (fine selection)
description
description
page 14-8)
XE8806A/XE8807A
-
www.semtech.com
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