Renesas SH7781 User Manual

Page 1178

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22. Serial I/O with FIFO (SIOF)

Rev.1.00 Jan. 10, 2008 Page 1148 of 1658
REJ09B0261-0100

(4)

16-bit Stereo Data (1)

L/R method, rising edge sampling, slot No.0 used for left-channel data, slot No.1 used for right-
channel data, and frame length = 32 bits

TRMD[1:0] = 11,
TDLE = 1,
RDLE = 1,
CD0E = 0,

REDG = 1,
TDLA[3:0] = 0000,
RDLA[3:0] = 0000,
CD0A[3:0] = 0000,

FL[3:0] = 1101 (frame length: 32 bits)
TDRE = 1,
RDRE = 1,
CD1E = 0,

TDRA[3:0] = 0001,
RDRA[3:0] = 0001,
CD1A[3:0] = 0000

Slot No.0

Slot No.1

Specifications:

1 frame

No bit delay

SIOF_SCK

SIOF_RXD

SIOF_TXD

SIOF_SYNC

L-channel data

R-channel data

Figure 22.16 Transmit and Receive Timing (16-Bit Stereo Data (1))

(5)

16-bit Stereo Data (2)

L/R method, rising edge sampling, slot No.0 used for left-channel transmit data, slot No.1 used for
left-channel receive data, slot No.2 used for right-channel transmit data, slot No.3 used for right-
channel receive data, and frame length = 64 bits

TRMD[1:0] = 11,
TDLE = 1,
RDLE = 1,
CD0E = 0,

REDG = 1,
TDLA[3:0] = 0000,
RDLA[3:0] = 0001,
CD0A[3:0] = 0000,

FL[3:0] = 1101 (frame length: 64 bits),
TDRE = 1,
RDRE = 1,
CD1E = 0,

TDRA[3:0] = 0010,
RDRA[3:0] = 0011,
CD1A[3:0] = 0000

Slot No.0

Slot No.1

Slot No.2

Slot No.3

Specifications:

1 frame

No bit delay

SIOF_SCK

SIOF_RXD

SIOF_TXD

SIOF_SYNC

R-channel data

L-channel data

L-channel data

R-channel data

Figure 22.17 Transmit and Receive Timing (16-Bit Stereo Data (2))

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