HD6432621 Hitachi, HD6432621 Datasheet - Page 463

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

13.1.2
Figure 13-1 shows a block diagram of the SCI.
SCK
RxD
TxD
Legend
RSR
RDR
TSR
TDR
SMR
SCR
SSR
SCMR
BRR
: Receive shift register
: Receive data register
: Transmit shift register
: Transmit data register
: Serial mode register
: Serial control register
: Serial status register
: Smart card mode register
: Bit rate register
Block Diagram
RDR
RSR
Parity generation
Parity check
TDR
TSR
Figure 13-1 Block Diagram of SCI
Module data bus
reception control
Transmission/
SCMR
SMR
SSR
SCR
External clock
Clock
Baud rate
generator
BRR
TEI
TXI
RXI
ERI
ø
ø/4
ø/16
ø/64
data bus
Internal
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