Block Diagram - Hitachi H8S/2338 Series Hardware Manual

12.1.2

Block Diagram

Figure 12-1 shows a block diagram of the smart card interface.
RDR
RxD
RSR
TxD
SCK
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
454
Module data bus
TDR
TSR
Parity generation
Parity check
Figure 12-1 Block Diagram of Smart Card Interface
SCMR
SSR
SCR
Baud rate
SMR
generator
Transmission/
reception control
Clock
BRR
ø
ø/4
ø/16
ø/64
TXI
RXI
ERI
Internal
data bus