MCF5251DVM140 查看數據表（PDF） - Freescale Semiconductor

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MCF5251DVM140

ColdFire Processor

Freescale Semiconductor 

Electrical Specifications

Table 9. DC Electrical Specifications (I/O Vcc = 3.3 Vdc + 0.3 Vdc)

Characteristic

Symbol Min Max Units

Operation Voltage Range for I/O

Input High Voltage

Input Low Voltage

Input Leakage Current @ 0.0 V/3.3 V

During Normal Operation

Vcc

3.0 3.6 V

VIH

2 5.5 V

VIL

-0.3 0.8 V

Iin

– ±1 μA

Hi-Impedance (Three-State) Leakage Current

@ 0.0 V/3.3 V During Normal Operation

Output High Voltage IOH = 11.9 mA1, 6.3 mA2,3.1 mA3

Output Low Voltage IOL = 7.1m A1, 3.5 mA2, 1.8 mA3

Schmitt Trigger Low to High Threshold Point4

Schmitt Trigger High to Low Threshold Point4

Load Capacitance:

D[31:16], SCLK[4:1], SCLKOUT, EBUOUT[2:1], LRCK[3:1], SDATAO[2:1], CFLG, EF,

IDE_DIOR, IDE_DIOW, IDE_IORDY, MCLK1, MCLK2

ITSI

– ±1 μA

VOH

2.4 –

V

VOL

– 0.4 V

VT+

1.67 1.79 V

VT-

1.01 1.15 V

CL

– 50 pF

Load Capacitance:

A[24:9], ATA_CS0, ATA_CS1, ATA_A[2:0], ATA_DIOR, ATA_DIOW, ATA_DMACK,

ATA_D[15:0], SDATAI[3,1]

CL

15 40 pF

Load Capacitance:

A[8:1], ADOUT, ATA_RST

BCLK, BCLKE, SDCAS, SDRAS, SDLDQM, SDCS0, SDUDQM, SDWE, BUFENB[2:1],

CAN0_TX, CAN1_TX, EBUIN1, RXD[2:0]

CL

– 30 pF

Load Capacitance:

CL

SDA0, SDA1, SCL0, SCL1, CMD_SDIO2, SDATA2_BS2, SDATA1_BS1, SDATA0_SDIO1,

CS0/CS4, CS1, OE, RW, TA, TXD[2:0], XTRIM, TDO/DSO, RCK, SFSY, SUBR, SDATA3,

TOUT0, QSPID_OUT, QSPICS[3:0], QSPICLK, GPIO[6:5]

– 20 pF

Load Capacitance:

DDATA[3:0], PST[3:0], PSTCLK

CL

– 15 pF

Capacitance5, Vin = 0 V, f = 1 MHz

CIN

–

6

pF

1 8.0 mA: SCL0, SDA0, SCL1, SDA1, PST[3:0], DDATA[3:0], TDSO, RW, ATA_RST, MCLK1, QSPICS2_MCLK2

2 4.0 mA: BUFENB1, BUFENB2, EBUOUT1, SCLKOUT, CMDSDIO, IDE_DIOR, IDE_DIOW, TOUT0, RTS[1:0], TXD[1:0],

SCLK[4:1], LRCK[4:1], SDATAO1, SDATAO2, QSPICLK, QSPICS0, QSPICS1_EBUOUT2, QSPICS3, QSPIDOUT, RCK,

XTRIM, A[8:1], ATA_CS0, ATA_CS1, ATA_A[2:0]

3 2.0 mA: TMS/BKPT, DSI/TDI, TRST/DSCLK

4 SCLK[4:1], SCL0, SCL1, SDA0, SDA1, ATA_DMARQ, ATA_INTRQ, ATA_IORDY

5 Capacitance CIN is periodically sampled rather than 100% tested.

MCF5251 ColdFire Processor Data Sheet: Technical Data, Rev. 2.1

Freescale Semiconductor

13

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