HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 459

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Transmission in Slave Mode: Figure 15.11 shows an example of settings and operation for slave
mode transmission.
No.
3
6
1
2
4
5
SIRDAR, SICDAR, and SIFCTR
Transmit SITDR from SIOFTXD
synchronously with SIOFSYNC
Clear the TXE bit in SICTR to 0
Set SIMDR, SISCR, SITDAR,
Set the TXE bit in SICTR to 1
Figure 15.11 Example of Transmit Operation in Slave Mode
TDREQ = 1?
Flow Chart
Set SITDR
Transfer
ended?
Start
End
Yes
Yes
No
No
Set to enable transmission
Set transmit data
Set to disable transmission
Set operating mode, serial clock,
slot positions for transmit/receive
data, slot position for control data,
and FIFO request threshold value
SIOF Settings
Rev. 1.00, 02/04, page 421 of 804
Issue transmit transfer request
to enable transmission when
frame synchronous signal is
input
End transmission
Transmit
SIOF Operation