參數(shù)資料
型號(hào): CY28346ZXC-2
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 15/19頁(yè)
文件大?。?/td> 0K
描述: IC CLOCK DIFF OUT CK408 56TSSOP
標(biāo)準(zhǔn)包裝: 35
類型: *
PLL:
輸入: 晶體
輸出: 時(shí)鐘
電路數(shù): 1
比率 - 輸入:輸出: 1:21
差分 - 輸入:輸出: 無(wú)/是
頻率 - 最大: 200MHz
除法器/乘法器: 是/無(wú)
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 70°C
安裝類型: *
封裝/外殼: *
供應(yīng)商設(shè)備封裝: *
包裝: *
CY28346-2
........................ Document #: 38-07509 Rev. *B Page 5 of 19
Byte 3: PCIF Clock and 48M Control Register (all bits are read and write functional)
Bit
@Pup
Name
Description
7
1
48M_DOT
48M_DOT Output Control,1 = enabled, 0 = forced LOW
6
1
48M_USB
48M_USB Output Control,1 = enabled, 0 = forced LOW
5
0
PCIF2
PCI_STP#, control of PCIF2.
0 = Free Running, 1 = Stopped when PCI_STP# is LOW
4
0
PCIF1
PCI_STP#, control of PCIF1.
0 = Free Running, 1 = Stopped when PCI_STP# is LOW
3
0
PCIF0
PCI_STP#, control of PCIF0.
0 = Free Running, 1 = Stopped when PCI_STP# is LOW
2
1
PCIF2
PCIF2 Output Control. 1=running, 0=forced LOW
1
PCIF1
PCIF1 Output Control. 1= running, 0=forced LOW
0
1
PCIF0
PCIF0 Output Control. 1= running, 0=forced LOW
Byte 4: DRCG Control Register(all bits are read and write functional)
Bit
@Pup
Name
Description
7
0
SS2 Spread Spectrum control bit (0 = down spread, 1 = center spread)
60
Reserved
5
1
3V66_0
3V66_0 Output Enabled. 1 = enabled, 0 = disabled
4
1
3V66_1/VCH
3V66_1/VCH Output Enable. 1 = enabled, 0 = disabled
3
1
3V66_5
3V66_5 Output Enable. 1 = enabled, 0 = disabled
2
1
66B2/3V66_4
66B2/3V66_4 Output Enabled. 1 = enabled, 0 = disabled
1
66B1/3V66_3
66B1/3V66_3 Output Enabled. 1 = enabled, 0 = disabled
0
1
66B0/3V66_2
66B0/3V66_2 Output Enabled. 1 = enabled, 0 = disabled
Byte 5: Clock Control Register (all bits are read and write functional)
Bit
@Pup
Name
Description
7
0
SS1 Spread Spectrum control bit
6
1
SS0 Spread Spectrum control bit
5
0
66IN to 66M delay Control MSB
4
0
66IN to 66M delay Control LSB
30
Reserved
2
0
48M_DOT edge rate control. When set to 1, the edge is slowed by 15%.
10
Reserved
0
USB edge rate control. When set to 1, the edge is slowed by 15%
Byte 6: Silicon Signature Register[2] (all bits are read-only)
Bit
@Pup
Name
Description
70
60
50
41
3
0
Vendor Code, 011 = IMI
20
11
01
Note:
2. When writing to this register the device will acknowledge the write operation, but the data itself will be ignored.
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