SH7047F Datasheet, PDF (9/85 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7047 Series

Section 1 Example 1
(Standard Format, 1 Byte of Data)
1.1 Transmission and Reception Specifications
Transmission and reception of 1 byte of data in the standard format using two SH7047F devices.
Common Transmission and Reception Specifications
• The data transfer speed is 250 kbps (during 50 MHz operation).
• The identifier is H'555.
Transmission Specifications
• Mailbox 1 is used.
• The data length is 1 byte, and the data transmitted is H'AA.
• The transmission end flag is polled while transmission is in progress.
• After confirmation that the transmission end flag has been set, the transmission end flag is
cleared, completing the operation.
Reception Specifications
• Mailbox 0 is used.
• The identifier is masked and reception takes place when a match occurs.
• The received data is stored in on-chip RAM, completing the operation.
1.2 Transmission and Reception Specifications, Function Description
Table 1.1 lists the functions allocated to pins and registers.
Rev. 1.00, 08/03, page 1 of 74