• 參數(shù)資料
      型號(hào)： KSZ8051RNLI TR
      廠商： Micrel Inc
      文件頁(yè)數(shù)： 50/59頁(yè)
      文件大?。?/td> 0K
      描述： TXRX PHY 10/T100 3.3V RMII 32QFN
      特色產(chǎn)品： KSZ8051/8031/8021 Series
      標(biāo)準(zhǔn)包裝： 1
      類(lèi)型： PHY 收發(fā)器
      驅(qū)動(dòng)器/接收器數(shù)： 1/1
      規(guī)程： RMII
      電源電壓： 1.8V，2.5V，3.3V
      安裝類(lèi)型： 表面貼裝
      封裝/外殼： 32-VFQFN 裸露焊盤(pán)
      供應(yīng)商設(shè)備封裝： 32-QFN（5x5）
      包裝： 標(biāo)準(zhǔn)包裝
      其它名稱(chēng)： 576-3889-6
      MCP414X/416X/424X/426X
      DS22059B-page 54
      2008 Microchip Technology Inc.
      7.7.2
      CONTINUOUS INCREMENTS
      Continuous Increments are possible only when writing
      to the volatile memory registers (address 00h, and
      01h).
      Figure 7-7 shows a Continuous Increment sequence
      for three continuous writes. The writes do not need to
      be to the same volatile memory address.
      When executing an continuous Increment commands,
      the selected wiper will be altered from n to n+1 for each
      Increment command received. The wiper value will
      increment up to 100h on 8-bit devices and 80h on 7-bit
      devices. After the wiper value has reached Full-Scale
      (8-bit =100h, 7-bit =80h), the wiper value will not be
      incremented further. If the Wiper register has a value
      between 101h and 1FFh, the Increment command is
      disabled.
      Increment commands can be sent repeatedly without
      raising CS until a desired condition is met. The value in
      the Volatile Wiper register can be read using a Read
      Command
      and
      written
      to
      the
      corresponding
      Non-Volatile Wiper EEPROM using a Write Command.
      When executing a continuous command string, The
      Increment command can be followed by any other valid
      command.
      The wiper terminal will move after the command has
      been received (8th clock).
      After the wiper is incremented to the desired position,
      the CS pin should be forced to VIH to ensure that
      unexpected transitions (on the SCK pin do not cause
      the wiper setting to change). Driving the CS pin to VIH
      should occur as soon as possible (within device
      specifications) after the last desired increment occurs.
      FIGURE 7-7:
      Continuous Increment Command - SDI and SDO States.
      A
      D
      3
      A
      D
      2
      A
      D
      1
      A
      D
      0
      1
      XXA
      D
      3
      A
      D
      2
      A
      D
      1
      A
      D
      0
      1
      XXA
      D
      3
      A
      D
      2
      A
      D
      1
      A
      D
      0
      01
      X X
      111111 1* 11
      11111 1* 1111111 1* 1 Note 1, 2
      111111
      0
      0 Note 3, 4
      111111111
      11111
      0
      0 Note 3, 4
      111111111
      1111111111111
      0
      0 Note 3, 4
      (INCR COMMAND (n+1) )
      (INCR COMMAND (n+2) )
      (INCR COMMAND (n+3) )
      SDI
      SDO
      COMMAND BYTE
      Note 1:
      Only functions when writing the volatile wiper registers (AD3:AD0) 0h and 1h.
      2:
      Valid Address/Command combination.
      3:
      Invalid Address/Command combination.
      4:
      If an Error Condition occurs (CMDERR = L), all following SDO bits will be low until the CMDERR
      condition is cleared (the CS pin is forced to the inactive state).
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