SH7713 datasheet(654/904 Pages) RENESAS

Part #	SH7713

Description	Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

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Manufacturer	RENESAS [Renesas Technology Corp]

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Section 17 Serial I/O with FIFO (SIOF)

Rev.1.50 Aug. 30, 2006 Page 614 of 860

REJ09B0288-0150

Table 17.2 shows an example of serial clock frequency.

Table 17.2

SIOF Serial Clock Frequency

Sampling Rate

Frame Length

8 kHz

44.1 kHz

48 kHz

96 kHz

32 bits

256 kHz

1.4112 MHz

1.536 MHz

3.072 MHz

64 bits

512 kHz

2.8224 MHz

3.072 MHz



128 bits

1.024 MHz

5.6648 MHz

6.144 MHz



256 bits

2.048 MHz

11.2896 MHz

12.288 MHz



17.4.2

Serial Timing

SIOFSYNC: 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

right channel stereo data (R) in low level

Figure 17.3 shows the SIOFSYNC synchronization timing. The timing of master mode 1, slave

mode 1, and slave mode 2 is shown in (a) in figure 17.3. The timing of master mode 2 is shown in

(b) in figure 17.3.

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