HD64F3028F25 Datasheet, PDF (496/925 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

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
GM
0
0
1
1
1
1
Bit 1
CKE1
0
0
0
0
1
1
Bit 0
CKE0
0
1
0
1
0
1
Description
SCK pin available for generic input/output
SCK pin used for clock output
SCK pin output fixed low
SCK pin used for clock output
SCK pin output fixed high
SCK pin used for clock output
(Initial value)
Rev. 2.00, 09/03, page 464 of 890