參數(shù)資料
型號: CY28354OXC-400
廠商: Silicon Laboratories Inc
文件頁數(shù): 3/8頁
文件大?。?/td> 0K
描述: IC BUFF 273MHZ 4DDR DIMM 48SSOP
標(biāo)準(zhǔn)包裝: 30
類型: 扇出緩沖器(分配)
PLL:
主要目的: 存儲器,DDR
輸入: 時鐘
輸出: 時鐘
電路數(shù): 2
比率 - 輸入:輸出: 1:12
差分 - 輸入:輸出: 無/無
頻率 - 最大: 400MHz
電源電壓: 2.3 V ~ 2.7 V
工作溫度: 0°C ~ 85°C
安裝類型: *
封裝/外殼: *
供應(yīng)商設(shè)備封裝: *
包裝: *
CY28354-400
.......................... Document #: 38-07615 Rev. *B Page 3 of 8
Serial Configuration Map
The Serial bits will be read by the clock driver in the following
order.
Byte 0 – Bits 7, 6, 5, 4, 3, 2, 1, 0
Byte 1 – Bits 7, 6, 5, 4, 3, 2, 1, 0
Byte N – Bits 7, 6, 5, 4, 3, 2, 1, 0
Reserved and unused bits should be programmed to “0”
SMBus Address for the CY28354 is as follows.
Table 2. Block Read and Block Write Protocol
Block Write Protocol
Block Read Protocol
Bit
Description
Bit
Description
1Start
2:8
Slave address – 7 bits
2:8
Slave address – 7 bits
9
Write = 0
9
Write = 0
10
Acknowledge from slave
10
Acknowledge from slave
11:18
Command Code – 8 bits
'00000000' stands for block operation
11:18
Command Code – 8 bits
'00000000' stands for block operation
19
Acknowledge from slave
19
Acknowledge from slave
20:27
Byte Count from master – 8 bits
20
Repeat start
28
Acknowledge from slave
21:27
Slave address – 7 bits
29:36
Data byte 0 from master – 8 bits
28
Read = 1
37
Acknowledge from slave
29
Acknowledge from slave
38:45
Data byte 1 from master – 8 bits
30:37
Byte count from slave – 8 bits
46
Acknowledge from slave
38
Acknowledge
....
Data bytes from master/Acknowledge
39:46
Data byte 0 from slave – 8 bits
....
Data Byte N – 8 bits
47
Acknowledge
....
Acknowledge from slave
48:55
Data byte 1 from slave – 8 bits
....
Stop
56
Acknowledge
....
Data bytes from slave/Acknowledge
....
Data byte N from slave – 8 bits
....
Not Acknowledge
....
Stop
A6
A5
A4
A3
A2
A1
A0 R/W
SEL ADDR = 1
110
1001
SEL ADDR = 0
110
1110
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