Datasheet
Section 19 Synchronous Serial Communication Unit (SSU) 
Page 1054 of 1384    R01UH0310EJ0500 Rev. 5.00 
 Sep 25, 2012 
H8S/2426, H8S/2426R, H8S/2424 Group
Table 19.5  Communication Modes and Pin States of SSCK Pin 
Register Setting  Pin State 
Communication 
Mode 
SSUMS MSS  SCKS  SSCK 
0 0 0 ⎯ SSU communication 
mode 
 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 
Table 19.6  Communication Modes and Pin States of SCS Pin 
Register Setting  Pin State 
Communication 
Mode 
SSUMS MSS  CSS1  CSS0  SCS 
0 0 x x  Input SSU communication 
mode 
 1 0 0  ⎯ 
  0 1 Input 
  1 0 Automatic 
input/output 
  1 1 Output 
Clock synchronous 
communication mode 
1 x x x  ⎯ 
[Legend] 
x: Don't care 
⎯:  Not used as SSU pin 










