SYN
SCKD
0
0
0
0
0
1
0
1
1
0
1
1
MOTOROLA
Table 7-1 ESSI Clock Sources
R Clock
SCD0
Source
Asynchronous
0
EXT, SC0
1
INT
0
EXT, SC0
1
INT
Synchronous
0/1
EXT, SCK
0/1
INT
DSP56305 User's Manual
Enhanced Synchronous Serial Interface (ESSI)
ESSI Data and Control Signals
RX
T Clock
Clock
Source
Out
—
EXT, SCK
SC0
EXT, SCK
—
INT
SC0
INT
—
EXT, SCK
SCK
INT
TX Clock Out
—
—
SCK
SCK
—
SCK
7-7