HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 270

• Manufacturer Part Number: HD6435348R
• Description: Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

14.1.2 Block Diagram
Figure 14-1 shows a block diagram of one serial communication interface channel.
RXD
TXD
SCK
RDR:
RSR:
TDR:
TSR:
SSR:
SCR:
SMR:
BRR:
Figure 14-1 Block Diagram of Serial Communication Interface
RSR
Receive Data Register
Receive Shift Register
Transmit Data Register
Transmit Shift Register
Serial Status Register
Serial Control Register
Serial Mode Register
Bit Rate Register
RDR
Parity generator
TDR
TSR
Parity check
Module data bus
256
Communication
control
SSR
SCR
SMR
Clock
Baud-rate
generator
BRR
External clock
Interrupt signals
TXI
RXI
ERI
Internal clock
source
ø
ø/4
ø/16
ø/64
Internal
data bus