FX909AP4 View Datasheet(PDF) - CML Microsystems Plc
Part Name
Description
MFG CO.
'FX909AP4' PDF : 47 Pages View PDF
Wireless Modem Data Pump
FX909A
Figure 7 The Transmit Process
Figure 8 The Receive Process
Mobitex modem tasks:
B2 B1 B0
Receive Mode
0 0 0 NULL
0 0 1 SFH
Search for Frame Head
0 1 0 R3H
Read 3 byte Frame Head
0 1 1 RDB
Read Data Block
1 0 0 SFS
Search for Frame Sync
1 0 1 RSB
Read Single Byte
1 1 0 LFSB Load Frame Sync Bytes
1 1 1 RESET Cancel any current action
NULL
T7H
TDB
TQB
TSB
TSO
RESET
Transmit Mode
Transmit 7 byte Frame Head
Reserved
Transmit Data Block
Transmit 4 Bytes
Transmit Single Byte
Transmit Scrambler Output
Cancel any current action
© 1996 Consumer Microcircuits Limited
16
D/909A/4
Share Link: 
