
CY28410-2
........................Document #: 38-07747 Rev *.* Page 4 of 16
Control Registers
....
Data Byte / Slave Acknowledges
46:39
Data byte 1 from slave – 8 bits
....
Data Byte N – 8 bits
47
Acknowledge
....
Acknowledge from slave
55:48
Data byte 2 from slave – 8 bits
....
Stop
56
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
Bit
Description
Bit
Description
1Start
8:2
Slave address – 7 bits
8:2
Slave address – 7 bits
9Write
10
Acknowledge from slave
10
Acknowledge from slave
18:11
Command Code – 8 bits
18:11
Command Code – 8 bits
19
Acknowledge from slave
19
Acknowledge from slave
27:20
Data byte – 8 bits
20
Repeated start
28
Acknowledge from slave
27:21
Slave address – 7 bits
29
Stop
28
Read
29
Acknowledge from slave
37:30
Data from slave – 8 bits
38
NOT Acknowledge
39
Stop
Table 3. Block Read and Block Write Protocol (continued)
Block Write Protocol
Block Read Protocol
Bit
Description
Bit
Description
Byte 0:Control Register 0
Bit
@Pup
Name
Description
7
1
CPUT2_ITP/SRCT7
CPUC2_ITP/SRCC7
CPU[T/C]2_ITP/SRC[T/C]7 Output Enable
0 = Disable (Hi-Z), 1 = Enable
6
1
SRC[T/C]6
SRC[T/C]6 Output Enable
0 = Disable (Hi-Z), 1 = Enable
5
1
SRC[T/C]5
SRC[T/C]5 Output Enable
0 = Disable (Hi-Z), 1 = Enable
4
1
SRC[T/C]4
SRC[T/C]4 Output Enable
0 = Disable (Hi-Z), 1 = Enable
3
1
SRC[T/C]3
SRC[T/C]3 Output Enable
0 = Disable (Hi-Z), 1 = Enable
2
1
SRC[T/C]2
SRC[T/C]2 Output Enable
0 = Disable (Hi-Z), 1 = Enable
1
SRC[T/C]1
SRC[T/C]1 Output Enable
0 = Disable (Hi-Z), 1 = Enable
0
1
Reserved
Reserved, Set = 1