Renesas SH7781 User Manual

Page 1164

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22. Serial I/O with FIFO (SIOF)

Rev.1.00 Jan. 10, 2008 Page 1134 of 1658
REJ09B0261-0100

Table 22.8 Audio Mode Specification for Transmit Data

Bit

Mode TDLE

TDRE

TLREP

Monaural

1 0 x

Stereo

1 1 0

Left and right same audio output

1

1

1

Legend:

x: Don't care

Table 22.9 Audio Mode Specification for Receive Data

Bit

Mode RDLE

RDRE

Monaural 1

0

Stereo 1 1

Note: Left and right same audio mode is not supported in receive data.

To execute 8-bit monaural transmission or reception, use the left channel.

(2)

Control Data

Control data is written to or read from by the following registers.

• Transmit control data write: SITCR (32-bit access)
• Receive control data read: SIRCR (32-bit access)

Figure 22.6 shows the control data and bit alignment in SITCR and SIRCR.

(b) Control data: Two channels

(a) Control data: One channel

31

24 23

16 15

8 7

0

31

24 23

16 15

8 7

0

Control data (channel 0)

Control data (channel 0)

Control data (channel 1)

Figure 22.6 Control Data Bit Alignment

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