Block Diagram; Pin Configuration - Hitachi SH7095 Hardware User Manual

13.1.2

Block Diagram

Figure 13.1 shows a block diagram of the SCI.
RSR: Receive shift register
RDR: Receive data register
TSR: Transmit shift register
TDR: Transmit data register
13.1.3

Pin Configuration

Table 13.1 summarizes the SCI pins by channel.
Table 13.1 SCI Pins
Pin Name
Serial clock pin
Receive data pin
Transmit data pin
324 Hitachi
SMR: Serial mode register
SCR: Serial control register
SSR: Serial status register
BRR: Bit rate register
Figure 13.1 SCI Block Diagram
Abbreviation Input/Output
SCK Input/output
RxD Input
TxD Output
Function
Clock input/output
Receive data input
Transmit data output