HD64336901G Renesas Technology, HD64336901G Datasheet - Page 216

• Manufacturer Part Number: HD64336901G
• Description: (HD64xxx Series) 16-BIT MICROCONTROLLER
• Manufacturer: Renesas Technology

Rev. 1.00, 11/03, page 188 of 376
RXD
TXD
[Legend]
RSR:
RDR:
TSR:
TDR:
SMR:
SCR3:
SSR:
BRR:
BRC:
SPMR:
SCK3
Receive shift register
Receive data register
Transmit shift register
Transmit data register
Serial mode register
Serial control register 3
Serial status register
Bit rate register
Bit rate counter
Sampling mode register
filter circuit
Noise
Clock
External
clock
Figure 14.1 Block Diagram of SCI3
Transmit/receive
control circuit
Baud rate
generator
RSR
TSR
BRC
Internal clock ( /64, /16, /4, )
SPMR
SCR3
BRR
SMR
RDR
SSR
TDR
Interrupt request
(TEI, TXI, RXI, ERI)