r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1171

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

(3)
Figure 22.11 shows an example of settings and operation for slave mode transmission.
No.
Transmission in Slave Mode
1
2
3
4
5
6
Transmit SITDR from SIOF_TXD
synchronously with SIOF_SYNC
Clear the TXE bit in SICTR to 0
Set SIMDR, SISCR, SITDAR,
Figure 22.11 Example of Transmit Operation in Slave Mode
Set the TXE bit in SICTR to 1
SIRDAR, SICDAR, SITCR,
Transfer ended?
and SIFCTR
TDREQ = 1
Set SITDR
Flowchart
Start
End
Yes
Yes
No
No
Set operating mode, serial clock, slot
positions for transmit/receive data, slot
position for control data, and FIFO
request threshold value
Set to enable transmission
Set transmit data
Set to disable transmission
SIOF Settings
Rev.1.00 Jan. 10, 2008 Page 1141 of 1658
22. Serial I/O with FIFO (SIOF)
Issue transmit transfer
request to enable
transmission when frame
synchronous signal is
input
Transmit
End transmission
SIOF Operation
REJ09B0261-0100