參數(shù)資料
型號(hào): CY28419ZXCT
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 11/15頁(yè)
文件大小: 0K
描述: IC CLOCK SERV CK419 56TSSOP
標(biāo)準(zhǔn)包裝: 2,000
類(lèi)型: *
PLL:
輸入: 晶體
輸出: 時(shí)鐘
電路數(shù): 1
比率 - 輸入:輸出: 1:25
差分 - 輸入:輸出: 無(wú)/是
頻率 - 最大: 400MHz
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(lèi)型: *
封裝/外殼: *
供應(yīng)商設(shè)備封裝: *
包裝: *
CY28419
........................Document #: 38-07444 Rev. *D Page 5 of 15
Byte 0: Control Register 0
Bit
@Pup
Name
Description
7
0
Reserved
6
1
Reserved
5
0
Reserved
4
0
Reserved
3
1
Reserved
2
1
Reserved
1
Externally
Selected
FS_B
FS_B reflects the value of the FS_B pin sampled on power-up.
0 = FS_B low at power-up
0
Externally
Selected
FS_A
FS_A reflects the value of the FS_A pin sampled on power-up.
0 = FS_A low at power-up
Byte 1: Control Register 1
Bit
@Pup
Name
Description
7
0
SRCT, SRCC
Allow control of SRCT/C with assertion of PCI_STP#
0 = Free Running, 1 = Stopped with PCI_STP#
6
1
SRCT, SRCC
SRCT/C Output Enable
0 = Disabled (three-state), 1 = Enabled
5
1
Reserved
4
1
Reserved
3
1
Reserved
2
1
CPUT2, CPUC2
CPUT/C2 Output Enable
0 = Disabled (three-state), 1 = Enabled
1
CPUT1, CPUC1
CPUT/C1 Output Enable,
0 = Disabled (three-state), 1 = Enabled
0
1
CPUT0, CPUC0
CPUT/C0 Output Enable
0 = Disabled (three-state), 1 = Enabled
Byte 2: Control Register 2
Bit
@Pup
Name
Description
7
0
SRCT, SRCC
SRCT/C Pwrdwn drive mode
0 = Driven in power-down, 1 = Three-state in power-down
6
0
SRCT, SRCC
SRCT/C Stop drive mode
0 = Driven in PCI_STP, 1 = Three-state in power-down
5
0
CPUT2, CPUC2
CPUT/C2 Pwrdwn drive mode
0 = Driven in power-down, 1 = Three-state in power-down
4
0
CPUT1, CPUC1
CPUT/C1 Pwrdwn drive mode
0 = Driven in power-down, 1 = Three-state in power-down
3
0
CPUT0, CPUC0
CPUT/C0 Pwrdwn drive mode
0 = Driven in power-down, 1 = Three-state in power-down
2
0
Reserved
1
0
Reserved
0
Reserved
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