HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 773

• Manufacturer Part Number: HD6417320
• Description: Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

21.4.2
(1)
The SIOFSYNC is a frame synchronous signal. Depending on the transfer mode, it has the
following two functions.
• Synchronous pulse: 1-bit-width pulse indicating the start of the frame
• L/R: 1/2-frame-width pulse indicating the left-channel stereo data (L) in high level and the
Figure 21.3 shows the SIOFSYNC synchronization timing.
right-channel stereo data (R) in low level
SIOFRxD
SIOFRxD
SIOFSCK
SIOFSYNC
SIOFTxD
SIOFSYNC
SIOFTxD
SIOFSCK
(a) Synchronous pulse
(b) L/R
SIOFSYNC
Serial Timing
1-bit delay
No delay
Figure 21.3
Start bit of left channel data
Start bit data
(1/2 frame length)
Serial Data Synchronization Timing
1 frame
1 frame
Start bit of right channel data
Rev. 3.00 Jan. 18, 2008 Page 711 of 1458
(1/2 frame length)
Section 21
Serial I/O with FIFO (SIOF)
REJ09B0033-0300