Renesas SH7781 用户手册
22. Serial I/O with FIFO (SIOF)
Rev.1.00 Jan. 10, 2008 Page 1146 of 1658
REJ09B0261-0100
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
frame length = 8 bits
Slot No.0
TRMD[1:0] = 00 or 10,
TDLE = 1,
RDLE = 1,
CD0E = 0,
TDLE = 1,
RDLE = 1,
CD0E = 0,
REDG = 0,
TDLA[3:0] = 0000,
RDLA[3:0] = 0000,
CD0A[3:0] = 0000,
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,
TDRE = 0,
RDRE = 0,
CD1E = 0,
TDRA[3:0] = 0000,
RDRA[3:0] = 0000,
CD1A[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))