HD6413008VF25 Datasheet, PDF (382/688 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

12. 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.4.00 Aug. 20, 2007 Page 336 of 638
REJ09B0395-0400