Section 14 Synchronous Serial Communication Unit (SSU)
Rev. 3.00 Mar. 14, 2006 Page 529 of 804
REJ09B0104-0300
Table 14.5 Communication Modes and Pin States of SSCK Pin
Register Setting
Pin State
Communication
Mode
SSUMS MSS
SCKS SSCK
SSU communication
mode
0 0 0
1
Input
1
0
1
Output
1 0 0
Clock synchronous
communication mode
1
Input
1
0
1
Output
[Legend]
: Not used as SSU pin (can be used as I/O port)
Table 14.6 Communication Modes and Pin States of
SCS
Pin
Register Setting
Pin State
Communication
Mode
SSUMS MSS
CSS1
CSS0
SCS
0 0
×
×
Input
SSU communication
mode
1
0
0
0
1
Input
1
0
Automatic
input/output
1
1
Output
Clock synchronous
communication mode
1
×
×
×
[Legend]
×
: Don't care
: Not used as SSU pin (can be used as I/O port)
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