HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 779
HD6417320
Manufacturer Part Number
HD6417320
Description
Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
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The number of channels in control data is specified by the CD0E and CD1E bits in SICDAR.
Table 21.8 shows the relationship between the number of channels in control data and bit settings.
Table 21.8 Setting Number of Channels in Control Data
Note: To use only one channel in control data, use channel 0.
21.4.5
Control data performs control command output to the CODEC and status input from the CODEC.
The SIOF supports the following two control data interface methods.
• Control by slot position
• Control by secondary FS
Control data is valid only when data length is specified as 16 bits.
(1)
Control data is transferred for all frames transmitted or received by the SIOF by specifying the slot
position of control data. This method can be used in both SIOF master and slave modes. Figure
21.7 shows an example of the control data interface timing by slot position control.
Number of Channels
1
2
SIOFRxD
SIOFSCK
SIOFSYNC
SIOFTxD
Control by Slot Position (Master Mode 1, Slave Mode 1)
Control Data Interface
Specifications: TRMD[1:0]=00 or 10,
Slot No.0
L-channel
data
Figure 21.7
TDLE=1,
RDLE=1,
CD0E=1,
channel 0
Slot No.1
Control
R-channel
Control Data Interface (Slot Position)
Slot No.2
CD0E
1
1
data
REDG=0,
TDLA[3:0]=0000,
RDLA[3:0]=0000,
CD0A[3:0]=0001,
channel 1
Slot No.3
Control
1 frame
Rev. 3.00 Jan. 18, 2008 Page 717 of 1458
FL[3:0]=1110 (Frame length: 128 bits),
TDRE=1,
RDRE=1,
CD1E=1,
Section 21
Bit
CD1E
0
1
TDRA[3:0]=0010,
RDRA[3:0]=0010,
CD1A[3:0]=0011
Serial I/O with FIFO (SIOF)
REJ09B0033-0300
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