HD6413008VF25 Datasheet, PDF (430/688 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

13. Smart Card Interface
13.1.2 Block Diagram
Figure 13.1 shows a block diagram of the smart card interface.
Module data bus
RDR
RxD
RSR
TxD
SCK
TDR
TSR
SCMR
SSR
SCR
SMR
Transmission/
reception
control
BRR
Baud rate
generator
Parity generation
Clock
Parity check
External clock
Legend:
SCMR: Smart card mode register
RSR: Receive shift register
RDR: Receive data register
TSR: Transmit shift register
TDR: Transmit data register
SMR: Serial mode register
SCR: Serial control register
SSR: Serial status register
BRR: Bit rate register
φ
φ/4
φ/16
φ/64
TXI
RXI
ERI
Figure 13.1 Block Diagram of Smart Card Interface
Internal
data bus
Rev.4.00 Aug. 20, 2007 Page 384 of 638
REJ09B0395-0400