MV1403 Datasheet, PDF (4/18 Pages) Advanced Semiconductor – TUNING VARACTOR

Mode
Name
TX1
TX2
RX1
RX2
TX1/2
TX1/2
RX1/2
RX1/2
-
STM
DEMO
MODE
CLK
MODE
CONTROL
EN (CRC)
CRC
VDD GND
FRS DQ1, DQ3-DQ8 MFQ2 MFQ1
FRS
D1,
D3N-D8N
Q
TXTSZ
TZS
CLK
MFD6
D
TXTS16
Q
TS16
CRCGEN
Q
D
TZS D1S D1N
MFD5 TZS MFD4 MFD2 MFQ6
D
MFD3
HDB3EC
Q
MFQ3
TXD1
TXD2
MFQ9
MFQ8
MFQ5
MFQ4
Figure 2: TX1 Individual Transmit mode functional diagram
MV1403
MODE
input
DEMO
input
CRC
input
STM
input
Mode description
0
0
0/1
0
MV 1403 is configured as individual Transmit PCM
macrocells
0
1
0/1
0
MV1403 is configured as a PCM Transmitter
demonstration, using the Transmit macrocells
1
0
0/1
0
MV1403 is configured as individual Receive PCM
macrocells
1
1
0/1
0
MV1403 is configured as a PCM Receiver demonstration,
using the Receive macrocells
0
0/1
0
0
CRC generation mode of the CRCGEN macrocell is
disabled
0
0/1
1
0
CRC generation mode of the CRCGEN macrocell is
enabled
1
0/1
0
0
CRC mode of the RXTSZ macrocell is disabled
1
0/1
1
0
CRC mode of the RXTSZ macrocell is enabled
X
X
X
1
MV1403 is configured in device test mode. This mode
should not be used for normal operation
Table 1: Operational modes of the MV1403
Frame number 0 1
CRC Multiframe
Sub-Multiframe 1 (SMF1)
Sub-Multiframe 2 (SMF2)
2
34
5
6
7
8
9
10 11 12 13 14 15
Bit one of
timeslot zero
C1 0
C2 0
C3 1
C4 0
C1 1
C2 1
C3 D1S C4
NOTES:
1. C1, C2, C3, C4 are the bits of the CRC word.
2. 001011 is the CRC Multiframe Alignment Signal (MAS).
3. Even numbered frames are denoted Sync frames; odd numbered frames are denoted non-sync frames.
D1N
Table 2: Structure of the CCITT CRC Multiframe
3