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參數(shù)資料
| 型號： | CY28323OXCT |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 18/21頁 |
| 文件大小： | 0K |
| 描述： | IC CLOCK BROOKDALE GPENT4 48SSOP |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 時鐘/頻率發(fā)生器 |
| PLL： | 是 |
| 主要目的： | Intel CPU 服務(wù)器 |
| 輸入： | 晶體 |
| 輸出： | HCSL，LVCMOS |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:21 |
| 差分 - 輸入:輸出： | 無/是 |
| 頻率 - 最大： | 248MHz |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-BSSOP（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 48-SSOP |
| 包裝： | 帶卷 (TR) |
CY28323PVC
... Document #: 38-07004 Rev. *B Page Page 6 of 21 of 21
Data Byte Configuration Map
Table 3. Byte Read and Byte Write Protocol
Byte Write Protocol
Byte Read Protocol
Bit
Description
Bit
Description
1Start
2:8
Slave address – 7 bits
2:8
Slave address – 7 bits
9Write
10
Acknowledge from slave
10
Acknowledge from slave
11:18
Command Code - 8 bits
‘1xxxxxxx’ stands for byte operation
bit[6:0] of the command code represents the
offset of the byte to be accessed
11:18
Command Code - 8 bits
‘1xxxxxxx’ stands for byte operation
bit[6:0] of the command code represents the
offset of the byte to be accessed
19
Acknowledge from slave
19
Acknowledge from slave
20:27
Data byte – 8 bits
20
Repeat start
28
Acknowledge from slave
21:27
Slave address – 7 bits
29
Stop
28
Read
29
Acknowledge from slave
30:37
Data byte from slave – 8 bits
38
Not Acknowledge
39
Stop
Data Byte 0
Bit
Pin#
Name
Description
Power On
Default
Bit 7
--
Spread Select2
‘000’ = OFF
‘001’ = Reserved
‘010’ = Reserved
‘011’ = Reserved
‘100’ = ±0.25%
‘101’ = –0.5%
‘110’ = ±0.5%
‘111’ = ±0.38%
0
Bit 6
--
Spread Select1
0
Bit 5
--
Spread Select0
0
Bit 4
--
SEL4
SW Frequency selection bits. See Table 4.0
Bit 3
--
SEL3
0
Bit 2
--
SEL2
0
Bit 1
--
SEL1
0
Bit 0
--
SEL0
0
Data Byte 1
Bit
Pin#
Name
Description
Power On
Default
Bit 7
38, 37
CPU1, CPU1#
(Active/Inactive)
1
Bit 6
41, 40
CPU0, CPU0#
(Active/Inactive)
1
Bit 5
22
48MHz
(Active/Inactive)
1
Bit 4
23
24_48MHz
(Active/Inactive)
1
Bit 3
27
3V66_3
(Active/Inactive)
1
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|---|---|
| CY28323PVC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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