HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 628

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 14 Serial Communication Interface (SCI)
• Full-duplex communication capability
• Choice of LSB-first or MSB-first transfer
• Built-in baud rate generator allows any bit rate to be selected
• Choice of serial clock source: internal clock from baud rate generator or external clock from
• Four interrupt sources
• Module stop mode can be set
Notes: 1. Descriptions in this section refer to LSB-first transfer.
Rev.6.00 Sep. 27, 2007 Page 598 of 1268
REJ09B0220-0600
⎯ The transmitter and receiver are mutually independent, enabling transmission and reception
⎯ Double-buffering is used in both the transmitter and the receiver, enabling continuous
⎯ Can be selected regardless of the communication mode *
SCK pin
⎯ Four interrupt sources—transmit-data-empty, transmit-end, receive-data-full, and receive
⎯ The transmit-data-empty and receive-data-full interrupts can activate the DMA controller
⎯ As the initial setting, SCI operation is halted. Register access is enabled by exiting module
to be executed simultaneously
transmission and continuous reception of serial data
asynchronous mode 7-bit data)
error—that can issue requests independently
(DMAC) *
stop mode
2. The DMAC is not supported in the H8S/2321.
2
or data transfer controller (DTC) to execute data transfer
1
(except in the case of