Motorola MPC823e - Page 588

Communication Processor Module
16-134 MPC823e REFERENCE MANUAL MOTOROLA
SERIAL
I/F
COMMUNICATION
16
PROCESSOR MODULE
Figure 16-56. Example of Frame Transmission Reception When
RFSDx or TFSDx = 0 and CD = 1
tFSDx=0
CEx=1
L1xCLK
L1xSYNC (FEx=0)
L1TXDx (BIT 0)
L1STx (ON BIT 0)
RX SAMPLED HERE
L1xSYNC
(FEx=0)
L1TXDx (BIT 0)
L1STx (ON BIT 0)
L1xSYNC
(FEx=1)
L1TXDx (BIT 0)
L1STx (ON BIT 0)
RX SAMPLED HERE
L1xSYNC
(FEx=1)
L1TXDx (BIT 0)
L1STx (ON BIT 0)
THE L1STx IS DRIVEN FROM SYNC.
BOTH DATA BIT 0 AND L1STx ARE
DRIVEN FROM SYNC
L1STx AND DATA BIT 0
DATA IS DRIVEN FROM CLOCK LOW.
L1STx IS DRIVEN FROM CLOCK HIGH
IS DRIVEN FROM CLOCK LOW