Block Diagram - Hitachi SH7750 series Hardware Manual

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17.1.2

Block Diagram

Figure 17.1 shows a block diagram of the smart card interface.
SCRDR1
RxD
SCRSR1
TxD
SCK
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
Rev. 4.0, 04/00, page 612 of 850
Module data bus
SCTDR1
SCTSR1
Parity generation
Parity check
Figure 17.1 Block Diagram of Smart Card Interface
SCSCMR1
SCSSR1
SCSCR1
Baud rate
SCSMR1
generator
SCSPTR1
Transmission/
reception
control
Clock
External clock
SCI
SCBRR1
Internal
data bus
Pφ/4
Pφ/16
Pφ/64
TXI
RXI
ERI

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