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    參數(shù)資料
    型號: PIC16C662-04I/PT
    廠商: Microchip Technology
    文件頁數(shù): 89/125頁
    文件大?。?/td> 0K
    描述: IC MCU OTP 4KX14 COMP 44TQFP
    標(biāo)準(zhǔn)包裝: 160
    系列: PIC® 16C
    核心處理器: PIC
    芯體尺寸: 8-位
    速度: 4MHz
    外圍設(shè)備: 欠壓檢測/復(fù)位,LED,POR,WDT
    輸入/輸出數(shù): 33
    程序存儲器容量: 7KB(4K x 14)
    程序存儲器類型: OTP
    RAM 容量: 176 x 8
    電壓 - 電源 (Vcc/Vdd): 4 V ~ 6 V
    振蕩器型: 外部
    工作溫度: -40°C ~ 85°C
    封裝/外殼: 44-TQFP
    包裝: 托盤
    Micrel, Inc.
    KSZ8862-16/32MQL
    April 2007
    66
    M9999-040407-3.0
    Bank 18 Interrupt Status Register (0x02): ISR
    This register contains the status bits for all QMU and other interrupt sources.
    When the corresponding enable bit is set, it causes the interrupt pin to be asserted.
    This register is usually read by the host CPU and device drivers during interrupt service routine or polling. The register bits
    are not cleared when read. The user has to write “1” to clear.
    Bit
    Default Value
    R/W
    Description
    15
    0x0
    RO (W1C)
    LCIS Link Change Interrupt Status
    When this bit is set, it indicates that the link status has changed from link up to link down,
    or link down to link up.
    This edge-triggered interrupt status is cleared by writing 1 to this bit.
    14
    0x0
    RO (W1C)
    TXIS Transmit Status
    When this bit is set, it indicates that the TXQ MAC has transmitted at least a frame on
    the MAC interface and the QMU TXQ is ready for new frames from the host.
    This edge-triggered interrupt status is cleared by writing 1 to this bit.
    13
    0x0
    RO (W1C)
    RXIS Receive Interrupt Status
    When this bit is set, it indicates that the QMU RXQ has received a frame from the MAC
    interface and the frame is ready for the host CPU to process.
    This edge-triggered interrupt status is cleared by writing 1 to this bit.
    12
    0x0
    RO
    Reserved
    11
    0x0
    RO (W1C)
    RXOIS Receive Overrun Interrupt Status
    When this bit is set, it indicates that the Receive Overrun status has occurred.
    This edge-triggered interrupt status is cleared by writing 1 to this bit.
    10
    0x0
    RO
    Reserved
    9
    0x1
    RO (W1C)
    TXPSIE Transmit Process Stopped Status
    When this bit is set, it indicates that the Transmit Process has stopped.
    This edge-triggered interrupt status is cleared by writing 1 to this bit.
    8
    0x1
    RO (W1C)
    RXPSIE Receive Process Stopped Status
    When this bit is set, it indicates that the Receive Process has stopped.
    This edge-triggered interrupt status is cleared by writing 1 to this bit.
    7
    0x0
    RO (W1C)
    RXEFIE Receive Error Frame Interrupt Status
    When this bit is set, it indicates that the Receive error frame status has occurred.
    This edge-triggered interrupt status is cleared by writing 1 to this bit.
    6-0
    -
    RO
    Reserved
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