9 transmit and receive timing – Renesas SH7781 User Manual

Page 1176

22. Serial I/O with FIFO (SIOF)

Rev.1.00 Jan. 10, 2008 Page 1146 of 1658
REJ09B0261-0100

22.4.9

Transmit and Receive Timing

Figures 22.13 to 22.19 show examples of the SIOF serial transmission and reception.

(1)

8-bit Monaural Data (1)

Synchronous pulse method, falling edge sampling, slot No.0 used for transmit and receive data, a
frame length = 8 bits

Slot No.0

TRMD[1:0] = 00 or 10,
TDLE = 1,
RDLE = 1,
CD0E = 0,

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

FL[3:0] = 0000 (frame length: 8 bits)
TDRE = 0,
RDRE = 0,
CD1E = 0,

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

Specifications:

1 frame

1-bit delay

SIOF_SCK

SIOF_RXD

SIOF_TXD

SIOF_SYNC

SYNCDL = 1

L-channel data

Figure 22.13 Transmit and Receive Timing (8-Bit Monaural Data (1))