Block Diagram - Renesas H8S/2319 series Hardware Manual

13.1.2

Block Diagram

Figure 13-1 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
Rev. 5.00, 12/03, page 488 of 1088
Module data bus
TDR
TSR
Parity generation
Parity check
Figure 13-1 Block Diagram of Smart Card Interface
SCMR
SSR
SCR
Baud rate
SMR
generator
Transmission/
reception control
Clock
BRR
φ
φ/4
φ/16
φ/64
TXI
RXI
ERI
Internal
data bus