參數(shù)資料
      型號: PIC18F4431-E/ML
      廠商: Microchip Technology
      文件頁數(shù): 114/119頁
      文件大小: 0K
      描述: IC MCU FLASH 8KX16 44QFN
      標(biāo)準(zhǔn)包裝: 45
      系列: PIC® 18F
      核心處理器: PIC
      芯體尺寸: 8-位
      速度: 40MHz
      連通性: I²C,SPI,UART/USART
      外圍設(shè)備: 欠壓檢測/復(fù)位,LVD,電源控制 PWM,QEI,POR,PWM,WDT
      輸入/輸出數(shù): 36
      程序存儲器容量: 16KB(8K x 16)
      程序存儲器類型: 閃存
      EEPROM 大?。?/td> 256 x 8
      RAM 容量: 768 x 8
      電壓 - 電源 (Vcc/Vdd): 4.2 V ~ 5.5 V
      數(shù)據(jù)轉(zhuǎn)換器: A/D 9x10b
      振蕩器型: 內(nèi)部
      工作溫度: -40°C ~ 125°C
      封裝/外殼: 44-VQFN 裸露焊盤
      包裝: 管件
      Micrel, Inc.
      KSZ8842-PMQL/PMBL
      October 2007
      94
      M9999-100207-1.5
      Port 2 Status Register (Offset 0x0534): P2SR
      This register contains the global per port status for the switch port 2 function.
      Bit
      Default
      R/W
      Description
      Is the same as:
      15
      0
      RW
      HP_mdix
      1 = HP Auto MDIX mode
      0 = Micrel Auto MDIX mode
      P2MBCR, bit 5
      14
      0
      RO
      Reserved
      13
      0
      RO
      Polarity reverse
      1 = polarity is reversed
      0 = polarity is not reversed
      P2PHYCTRL,
      bit 5
      12
      0
      RO
      Receive flow control enable
      1 = Receive flow control feature is active
      0 = Receive flow control feature is inactive
      11
      0
      RO
      Transmit flow control enable
      1 = transmit flow control feature is active
      0 = transmit flow control feature is inactive
      10
      0
      RO
      Operation Speed
      1 = link speed is 100Mbps
      0 = link speed is 10Mbps
      9
      0
      RO
      Operation duplex
      1 = link duplex is full
      0 = link duplex is half
      8
      0
      RO
      Far end fault
      1 = Far end fault status detected
      0 = no Far end fault status detected
      P2MBCR, bit 4
      7
      0
      RO
      MDIX status
      1 = MDIX
      0 = MDI
      P2PHYCTRL,
      bit 4
      6
      0
      RO
      AN done
      1 = AN done
      0 = AN not done
      P2MBSR, bit 5
      5
      0
      RO
      Link good
      1 = Link good
      0 = Link not good
      P2MBSR, bit 2
      4
      0
      RO
      Partner flow control capability
      1 = link partner flow control (pause) capable
      0 = link partner not flow control (pause) capable
      P2ANLPR, bit 10
      3
      0
      RO
      Partner 100BT full duplex capability
      1 = link partner 100Base-T full duplex capable
      0 = link partner not 100Base-T full duplex capable
      P2ANLPR, bit 8
      2
      0
      RO
      Partner 100BT half duplex capability
      1 = link partner 100Base-T half duplex capable
      0 = link partner not 100Base-T half duplex capable
      P2ANLPR, bit 7
      1
      0
      RO
      Partner 10BT full duplex capability
      1 = link partner 10Base-T full duplex capable
      0 = link partner not 10Base-T full duplex capable
      P2ANLPR, bit 6
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