HD6432351 datasheet(658/1025 Pages) RENESAS

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Section 14 Smart Card Interface

Rev. 3.00 Sep 15, 2006 page 624 of 988

REJ09B0330-0300

SMR Setting

The GM bit is cleared to 0 in normal smart card interface mode, and set to 1 in GSM mode. The

E bit is cleared to 0 if the IC card is of the direct convention type, and set to 1 if of the inverse

convention type.

Bits CKS1 and CKS0 select the clock source of the on-chip baud rate generator. See section

14.3.5, Clock.

BRR Setting

BRR is used to set the bit rate. See section 14.3.5, Clock, for the method of calculating the value to

be set.

SCR Setting

The function of the TIE, RIE, TE, and RE bits is the same as for the normal SCI. For details, see

section 13, Serial Communication Interface (SCI).

Bits CKE1 and CKE0 specify the clock output. When the GM bit in SMR is cleared to 0, set these

bits to B'00 if a clock is not to be output, or to B'01 if a clock is to be output. When the GM bit in

SMR is set to 1, clock output is performed. The clock output can also be fixed high or low.

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