Renesas SH7781 - Manual (Page 1180)

22. Serial I/O with FIFO (SIOF)
Rev.1.00 Jan. 10, 2008 Page 1150 of 1658
REJ09B0261-0100
(8) Synchronization-Pulse Output Mode at End of Each Slot (SYNCAT Bit = 1)
Synchronous pulse method, falling edge sampling, slot No.0 used for left-channel data, slot No.1
used for right-channel data, slot No.2 used for control channel 0 data, slot No.3 used for control
channel 1 data, and frame length = 128 bits
TRMD[1:0] = 00 or 10,
TDLE = 1,
RDLE = 1,
CD0E = 1, REDG = 0,
TDLA[3:0] = 0000,
RDLA[3:0] = 0000,
CD0A[3:0] = 0010, FL[3:0] = 1110 (frame length: 128 bits),
TDRE = 1,
RDRE = 1,
CD1E = 1,
TDRA[3:0] = 0001,
RDRA[3:0] = 0001,
CD1A[3:0] = 0011
Slot No.0 Slot No.1 Slot No.2 Slot No.3 Slot No.4 Slot No.5 Slot No.6 Slot No.7
Specifications:
1 frame
SIOF _SCK
SIOF _RXD
SIOF _TXD
SIOF _SYNC
L-channel
data
R-channel
data
Control
channel 0
Control
channel 1
Figure 22.20 Transmit and Receive Timing (16-Bit Stereo Data)