TIGER560 ETC, TIGER560 Datasheet - Page 29

• Manufacturer Part Number: TIGER560
• Description: USB Controller for Low Cost VoIP solutions
• Manufacturer: ETC

Serial uP interface third data 0x28
Type: R/W
Default value: 00
SPI3B [7:0]
Serial uP interface control register 0x29
Type: R/W
Default value: 00
3 byte operation
Transfer Mode
Enable serial uP pin definition
Clock speed selection[2:0]
Break between byte transfer
Start transfer /status
Revision 1.1 released on 2/20/01
Bit
Bit
SPI3B7
3 byte
operation
Write as third serial uP interface write data byte
Read ad third serial uP interface read data byte
0: 2 byte transfer
1: 3 byte transfer
0: normal operation
1: uneven clock transfer mode
0: normal operation
1: enable serial uP pin definition
0: 320 ns per cycle
1: 640 ns per cycle
2: 960 ns per cycle
~
15: 2560 ns per cycle
0: continue bit transfer without byte break
1: CSB pull high between byte transfer
Write 1 to start the data transfer
Read 1 as busy and 0 for idle
7
7
SPI3B6
Transfer
mode
6
6
SPI3B5
Enable
serial uP
pin
definition
5
5
SPI3B4
Clock
speed
selection[2]
4
4
SPI3B3
Clock
speed
selection[1]
3
3
SPI3B2
Clock
speed
selection[0]
2
2
SPI3B1
Break
between
byte
transfer
1
1
SPI3B0
Start
transfer /
status
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