cy28549 SpectraLinear Inc, cy28549 Datasheet - Page 5

• Manufacturer Part Number: cy28549
• Description: Clock Generator For Intel Ck410m
• Manufacturer: SpectraLinear Inc

Document #:xxx-xxxxx Rev **
Table 4. Block Read and Block Write Protocol (continued)
Table 5. Byte Read and Byte Write Protocol
Control Registers
Byte 0 Control Register 0
18:11
27:20
36:29
45:38
18:11
27:20
Bit
8:2
Bit
Bit
10
19
28
37
46
....
....
....
....
10
19
28
29
7
6
5
4
1
9
Acknowledge from slave
Command Code–8 bits
Acknowledge from slave
Byte Count–8 bits
(Skip this step if I
Acknowledge from slave
Data byte 1–8 bits
Acknowledge from slave
Data byte 2–8 bits
Acknowledge from slave
Data Byte/Slave Acknowledges
Data Byte N–8 bits
Acknowledge from slave
Stop
Start
Slave address–7 bits
Write
Acknowledge from slave
Command Code–8 bits
Acknowledge from slave
Data byte–8 bits
Acknowledge from slave
Stop
@Pup
0
0
0
0
Block Write Protocol
Byte Write Protocol
2
C_EN bit set)
Description
Description
RESEREVD
RESEREVD
RESEREVD
RESEREVD
Name
PRELIMINARY
RESERVED
RESERVED
RESERVED
RESERVED
27:21
37:30
46:39
55:48
18:11
27:21
37:30
18:11
Bit
10
19
20
28
29
38
47
56
....
....
....
....
8:2
Bit
10
19
20
28
29
38
39
1
9
Acknowledge from slave
Command Code–8 bits
Acknowledge from slave
Repeat start
Slave address–7 bits
Read = 1
Acknowledge from slave
Byte Count from slave–8 bits
Acknowledge
Data byte 1 from slave–8 bits
Acknowledge
Data byte 2 from slave–8 bits
Acknowledge
Data bytes from slave/Acknowledge
Data Byte N from slave–8 bits
NOT Acknowledge
Stop
Start
Slave address–7 bits
Write
Acknowledge from slave
Command Code–8 bits
Acknowledge from slave
Repeated start
Slave address–7 bits
Read
Acknowledge from slave
Data from slave–8 bits
NOT Acknowledge
Stop
Description
Block Read Protocol
Byte Read Protocol
Description
Description
CY28549
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