wts701 Winbond Electronics Corp America, wts701 Datasheet - Page 48

• Manufacturer Part Number: wts701
• Description: Winbond Single-chip Text-to-speech Processor
• Manufacturer: Winbond Electronics Corp America

Type IV – Transactions reading data
Type IV transactions read data from the WTS701. Because of the latency required for the WTS701 to
place data in the output register, R/ B must be monitored.
SCLK
MOSI
MISO
SCLK
MOSI
MISO
SSB
SSB
R/B
SCLK
MOSI
MISO
SSB
R/B
7
7
7
6
6
6
Command
5
Command
5
(even)
5
Data n
4
Byte
Byte
4
4
3
3
3
2
2
2
1
1
1
0
0
0
7
7
7
6
0
6
Figure 15. Type IV SPI Transaction.
0
Figure 14. Type III SPI Transaction.
6
0
0 0
5
Command
Data Byte
Data n+1
Data Byte
0 0
Command
5
0 0
(odd)
5
4
4
4
0
3
0
3
0
3
0
2
0
2
0
2
0
1
0
1
0
1
0
0
0
0
0
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7
R/B low with SPI End
6
7
Data n+2
5
6
(even)
Data Byte 0
4
5
(even)
3
4
2
3
1
2
0
1
7
0
0
6
7
Data n+3
0 0
5
6
(odd)
Data Byte 1
4
5
0
3
(odd)
4
2
0
3
0
1
2
0
1
WTS701
0