Block Diagram; Figure 17.1 Block Diagram Of Smart Card Interface - Renesas SH7751 Group User Manual

Section 17 Smart Card Interface
17.1.2

Block Diagram

Figure 17.1 shows a block diagram of the smart card interface.
SCRDR1
RxD SCRSR1
TxD
SCK
Legend:
SCSCMR1: Smart card mode register
SCRSR1: Receive shift register
SCRDR1: Receive data register
SCTSR1: Transmit shift register
SCTDR1: Transmit data register
SCSMR1: Serial mode register
SCSCR1: Serial control register
SCSSR1: Serial status register
SCBRR1: Bit rate register
SCSPTR1: Serial port register
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Module data bus
SCTDR1
SCTSR1
Parity generation
Parity check

Figure 17.1 Block Diagram of Smart Card Interface

SCBRR1
SCSCMR1
SCSSR1
SCSCR1
Baud rate
SCSMR1
generator
SCSPTR1
Transmission/
reception
control
Clock
External clock
SCI
SH7751 Group, SH7751R Group
Internal
data bus
Pck
Pck/4
Pck/16
Pck/64
R01UH0457EJ0301 Rev. 3.01
Sep 24, 2013
TXI
RXI
ERI