HD6413007F20 Datasheet, PDF (470/798 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

13. Serial Communication Interface
For smart card interface (SMIF bit in SCMR set to 1): These bits, together with the GM bit in
SMR, determine whether the SCK pin is used for generic input/output or as the serial clock output
pin.
SMR Bit 1 Bit 0
GM CKE1 CKE0 Description
0
0
0
SCK pin available for generic input/output
0
0
1
SCK pin used for clock output
1
0
0
SCK pin output fixed low
1
0
1
SCK pin used for clock output
1
1
0
SCK pin output fixed high
1
1
1
SCK pin used for clock output
(Initial value)
Rev.5.00 Sep. 12, 2007 Page 440 of 764
REJ09B0396-0500