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  • 參數(shù)資料
    型號(hào): CY28446LFXC
    廠商: Silicon Laboratories Inc
    文件頁(yè)數(shù): 15/19頁(yè)
    文件大?。?/td> 0K
    描述: IC CLOCK CALISTOGA CK410M 64QFN
    標(biāo)準(zhǔn)包裝: 260
    類型: 時(shí)鐘/頻率發(fā)生器
    PLL:
    主要目的: Intel CPU 服務(wù)器
    輸入: LVTTL,晶體
    輸出: HCSL,LVCMOS
    電路數(shù): 1
    比率 - 輸入:輸出: 3:20
    差分 - 輸入:輸出: 無(wú)/是
    頻率 - 最大: 200MHz
    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: 64-VFQFN 裸露焊盤
    供應(yīng)商設(shè)備封裝: 64-QFN(9x9)
    包裝: 托盤
    CY28446
    .......................Document #: 001-00168 Rev *F Page 5 of 19
    Control Registers
    Table 5. Byte Read and Byte Write Protocol
    Byte Write Protocol
    Byte Read Protocol
    Bit
    Description
    Bit
    Description
    1Start
    8:2
    Slave address–7 bits
    8:2
    Slave address–7 bits
    9Write
    10
    Acknowledge from slave
    10
    Acknowledge from slave
    18:11
    Command Code–8 bits
    18:11
    Command Code–8 bits
    19
    Acknowledge from slave
    19
    Acknowledge from slave
    27:20
    Data byte–8 bits
    20
    Repeated start
    28
    Acknowledge from slave
    27:21
    Slave address–7 bits
    29
    Stop
    28
    Read
    29
    Acknowledge from slave
    37:30
    Data from slave–8 bits
    38
    NOT Acknowledge
    39
    Stop
    Byte 0: Control Register 0
    Bit
    @Pup
    Name
    Description
    7
    1
    CPU2_ITP[T/C]/SRC7[T/C] CPU2_ITP[T/C]/SRC[T/C]7 Output Enable
    0 = Disable (Tri-state), 1 = Enable
    6
    1
    SRC[T/C]6
    SRC[T/C]6 Output Enable
    0 = Disable (Tri-state), 1 = Enable
    5
    1
    SRC[T/C]5
    SRC[T/C]5 Output Enable
    0 = Disable (Tri-state), 1 = Enable
    4
    1
    Reserved
    3
    1
    SRC[T/C]3
    SRC[T/C]3 Output Enable
    0 = Disable (Tri-state), 1 = Enable
    2
    1
    SRC[T/C]2
    SRC[T/C]2 Output Enable
    0 = Disable (Tri-state), 1 = Enable
    1
    SRC[T/C]1
    SRC[T/C]1 Output Enable
    0 = Disable (Tri-state), 1 = Enable
    0
    1
    SRC[T/C]0
    SRC[T/C]0 Output Enable
    0 = Disable (Tri-state), 1 = Enable
    Byte 1: Control Register 1
    Bit
    @Pup
    Name
    Description
    7
    1
    PCIF0
    PCIF0 Output Enable
    0 = Disable, 1 = Enable
    6
    1
    DOT_96[T/C]
    DOT_96 MHz Output Enable
    0 = Disable (Tri-state), 1 = Enable
    5
    1
    USB_48
    USB_48 Output Enable
    0 = Disable, 1 = Enable
    4
    1
    REF
    REF Output Enable
    0 = Disable, 1 = Enable
    3
    1
    Reserved
    2
    1
    CPU[T/C]1
    CPU[T/C]1 Output Enable
    0 = Disable (Tri-state), 1 = Enable
    1
    CPU[T/C]0
    CPU[T/C]0 Output Enable
    0 = Disable (Tri-state), 1 = Enable
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