HD6432670 Hitachi, HD6432670 Datasheet - Page 681

• Manufacturer Part Number: HD6432670
• Description: (HD64F267x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

15.2
Table 15.1 shows the pin configuration of the serial communication interface.
RxD
TxD
SCK
Legend
RSR
RDR
TSR
TDR
SMR
SCR
SSR
SCMR : Smart card mode register
BRR
SEMR
Note: * Only in H8S/2678R series.
Input/Output Pins
: Receive shift register
: Receive data register
: Transmit shift register
: Transmit data register
: Serial mode register
: Serial control register
: Serial status register
: Bit rate register
: Serial extension mode register (only in SCI_2)
RDR
RSR
Parity generation
Parity check
Figure 15.1 Block Diagram of SCI
TDR
TSR
Module data bus
reception control
Transmission/
SEMR
SCMR
SMR
SSR
SCR
*
External clock
Clock
Baud rate
generator
BRR
Rev. 2.0, 04/02, page 635 of 906
TEI
TXI
RXI
ERI
/4
/16
/64
Average transfer
rate generator *
10.667 MHz operation
16 MHz operation
32 MHz operation
• 115.152 kbps
• 460.606 kbps
• 115.196 kbps
• 460.784 kbps
• 720 kbps
• 720 kbps
(SCI_2)
data bus
Internal