Copyright Cirrus Logic, Inc. 2011 (All Rights Reserved) DS508F2 EP7312 High-Performance, Low-Power S" />
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  • 參數(shù)資料
    型號(hào): EP7312-CV-90
    廠商: Cirrus Logic Inc
    文件頁(yè)數(shù): 28/54頁(yè)
    文件大?。?/td> 0K
    描述: IC ARM720T MCU 90MHZ 208-LQFP
    標(biāo)準(zhǔn)包裝: 36
    系列: EP7
    核心處理器: ARM7
    芯體尺寸: 32-位
    速度: 90MHz
    連通性: 編解碼器,DAI,EBI/EMI,IrDA,鍵盤(pán),SPI/Microwire1,UART/USART
    外圍設(shè)備: LCD,LED,MaverickKey,PWM
    輸入/輸出數(shù): 27
    程序存儲(chǔ)器類(lèi)型: ROMless
    RAM 容量: 56K x 8
    電壓 - 電源 (Vcc/Vdd): 2.3 V ~ 2.7 V
    振蕩器型: 外部
    工作溫度: 0°C ~ 70°C
    封裝/外殼: 208-LQFP
    包裝: 托盤(pán)
    配用: 598-1209-ND - KIT DEVELOPMENT EP73XX ARM7
    其它名稱(chēng): 598-1238
    34
    Copyright Cirrus Logic, Inc. 2011
    (All Rights Reserved)
    DS508F2
    EP7312
    High-Performance, Low-Power System on Chip
    79
    SMPCLK
    1
    Low
    O
    SSI1 ADC sample clock
    80
    FB[1]
    I
    PWM feedback input
    81
    VSSIO
    Pad Gnd
    I/O ground
    82
    FB[0]
    I
    PWM feedback input
    83
    COL[7]
    1
    High
    O
    Keyboard scanner column
    drive
    84
    COL[6]
    1
    High
    O
    Keyboard scanner column
    drive
    85
    COL[5]
    1
    High
    O
    Keyboard scanner column
    drive
    86
    COL[4]
    1
    High
    O
    Keyboard scanner column
    drive
    87
    COL[3]
    1
    High
    O
    Keyboard scanner column
    drive
    88
    COL[2]
    1
    High
    O
    Keyboard scanner column
    drive
    89
    VDDIO
    Pad Pwr
    Digital I/O power, 3.3 V
    90
    TCLK
    I
    JTAG clock
    91
    COL[1]
    1
    High
    O
    Keyboard scanner column
    drive
    92
    COL[0]
    1
    High
    O
    Keyboard scanner column
    drive
    93
    BUZ
    1
    Low
    O
    Buzzer drive output
    94
    D[31]
    1
    Low
    I/O
    Data I/O
    95
    D[30]
    1
    Low
    I/O
    Data I/O
    96
    D[29]
    1
    Low
    I/O
    Data I/O
    97
    D[28]
    1
    Low
    I/O
    Data I/O
    98
    VSSIO
    Pad Gnd
    I/O ground
    99
    A[27]/DRA[0]
    2
    Low
    O
    System byte address /
    SDRAM address
    100
    D[27]
    1
    Low
    I/O
    Data I/O
    101
    A[26]/DRA[1]
    2
    Low
    O
    System byte address /
    SDRAM address
    102
    D[26]
    1
    Low
    I/O
    Data I/O
    103
    A[25]/DRA[2]
    2
    Low
    O
    System byte address /
    SDRAM address
    104
    D[25]
    1
    Low
    I/O
    Data I/O
    105
    HALFWORD
    1
    Low
    O
    Halfword access select output
    106
    A[24]/DRA[3]
    1
    Low
    O
    System byte address /
    SDRAM address
    107
    VDDIO
    Pad Pwr
    Digital I/O power, 3.3 V
    108
    VSSIO
    Pad Gnd
    I/O ground
    109
    D[24]
    1
    Low
    I/O
    Data I/O
    110
    A[23]/DRA[4]
    1
    Low
    O
    System byte address /
    SDRAM address
    111
    D[23]
    1
    Low
    I/O
    Data I/O
    112
    A[22]/DRA[5]
    1
    Low
    O
    System byte address /
    SDRAM address
    113
    D[22]
    1
    Low
    I/O
    Data I/O
    114
    A[21]/DRA[6]
    1
    Low
    O
    System byte address /
    SDRAM address
    115
    D[21]
    1
    Low
    I/O
    Data I/O
    116
    VSSIO
    Pad Gnd
    I/O ground
    117
    A[20]/DRA[7]
    1
    Low
    O
    System byte address /
    SDRAM address
    Table 20. 208-Pin LQFP Numeric Pin Listing (Continued)
    Pin
    No.
    Signal
    Strength
    Reset
    State
    Type
    Description
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