CY28416
Table 3. Block Read and Block Write Protocol (continued)
Block Write Protocol
Block Read Protocol
Description
Bit
46
....
....
....
....
Description
Acknowledge from slave
Bit
38
Acknowledge
Data Byte /Slave Acknowledges
Data Byte N –8 bits
Acknowledge from slave
Stop
46:39
47
Data byte 1 from slave – 8 bits
Acknowledge
55:48
56
Data byte 2 from slave – 8 bits
Acknowledge
....
Data bytes from slave / Acknowledge
Data Byte N from slave – 8 bits
NOT Acknowledge
....
....
...
Stop
Table 4. Byte Read and Byte Write Protocol
Byte Write Protocol
Byte Read Protocol
Description
Bit
1
Description
Bit
1
Start
Start
8:2
9
Slave address – 7 bits
Write
8:2
9
Slave address – 7 bits
Write
10
Acknowledge from slave
Command Code – 8 bits
Acknowledge from slave
Data byte – 8 bits
Acknowledge from slave
Stop
10
Acknowledge from slave
Command Code – 8 bits
Acknowledge from slave
Repeated start
18:11
19
18:11
19
27:20
28
20
27:21
28
Slave address – 7 bits
Read
29
29
Acknowledge from slave
Data from slave – 8 bits
NOT Acknowledge
Stop
37:30
38
39
Control Registers
Byte 0: Control Register 0
Bit
@Pup
Name
Description
7
1
CPUT2_ITP/SRCT4
CPUC2_ITP/SRCC4
CPU[T/C]2_ITP/SRC[T/C]4 Output Enable
0 = Disable (Hi-Z), 1 = Enable
6
5
4
1
1
1
RESERVED
RESERVED
SRC[T/C]3
RESERVED, Set = 1
RESERVED, Set = 1
SRC[T/C]3 Output Enable
0 = Disable (Hi-Z), 1 = Enable
3
2
1
0
1
1
1
1
SRC[T/C]2_SATA
SRC[T/C]1
SRC[T/C]2_SATA Output Enable
0 = Disable (Hi-Z), 1 = Enable
SRC[T/C]1 Output Enable
0 = Disable (Hi-Z), 1 = Enable
SRC[T/C]0
SRC[T/C]0 Output Enable
0 = Disable (Hi-Z), 1 = Enable
RESERVED
RESERVED, Set = 1
Rev 1.0,November 22, 2006
Page 4 of 14
SPECTRALINEAR [ SPECTRALINEAR INC ]
