參數(shù)資料
型號(hào): MPC850CZQ50BUR2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 50 MHz, RISC PROCESSOR, PBGA256
封裝: 23 X 23 MM, 1.27 MM PITCH, PLASTIC, BGA-256
文件頁(yè)數(shù): 75/75頁(yè)
文件大?。?/td> 2995K
代理商: MPC850CZQ50BUR2
MPC850 PowerQUICC Integrated Communications Processor Hardware Specifications, Rev. 2
Freescale Semiconductor
9
Power Considerations
5
Power Considerations
The average chip-junction temperature, TJ, in °C can be obtained from the equation:
TJ = TA + (P
D θJA)(1)
where
T
A
= Ambient temperature,
°C
Input low voltage
VIL
GND
0.8
V
EXTAL, EXTCLK input high voltage
VIHC
0.7*(VCC)
VCC+0.3
V
Input leakage current, Vin = 5.5 V (Except TMS, TRST, DSCK
and DSDI pins)
Iin
100
A
Input leakage current, Vin = 3.6V (Except TMS, TRST, DSCK
and DSDI pins)
IIn
—10
A
Input leakage current, Vin = 0V (Except TMS, TRST, DSCK
and DSDI pins)
IIn
—10
A
Input capacitance
Cin
—20
pF
Output high voltage, IOH = -2.0 mA, VDDH = 3.0V
except XTAL, XFC, and open-drain pins
VOH
2.4
V
Output low voltage
CLKOUT 3
IOL = 3.2 mA 1
IOL = 5.3 mA 2
IOL = 7.0 mA PA[14]/USBOE, PA[12]/TXD2
IOL = 8.9 mA TS, TA, TEA, BI, BB, HRESET, SRESET
VOL
0.5
V
1
A[6:31], TSIZ0/REG, TSIZ1, D[0:31], DP[0:3]/IRQ[3:6], RD/WR, BURST, RSV/IRQ2, IP_B[0:1]/IWP[0:1]/VFLS[0:1],
IP_B2/IOIS16_B/AT2, IP_B3/IWP2/VF2, IP_B4/LWP0/VF0, IP_B5/LWP1/VF1, IP_B6/DSDI/AT0, IP_B7/PTR/AT3,
PA[15]/USBRXD, PA[13]/RXD2, PA[9]/L1TXDA/SMRXD2, PA[8]/L1RXDA/SMTXD2,
PA[7]/CLK1/TIN1/L1RCLKA/BRGO1, PA[6]/CLK2/TOUT1/TIN3, PA[5]/CLK3/TIN2/L1TCLKA/BRGO2,
PA[4]/CLK4/TOUT2/TIN4, PB[31]/SPISEL, PB[30]/SPICLK/TXD3, PB[29]/SPIMOSI /RXD3,
PB[28]/SPIMISO/BRGO3, PB[27]/I2CSDA/BRGO1, PB[26]/I2CSCL/BRGO2, PB[25]/SMTXD1/TXD3,
PB[24]/SMRXD1/RXD3, PB[23]/SMSYN1/SDACK1, PB[22]/SMSYN2/SDACK2, PB[19]/L1ST1,
PB[18]/RTS2/L1ST2, PB[17]/L1ST3, PB[16]/L1RQa/L1ST4, PC[15]/DREQ0/L1ST5, PC[14]/DREQ1/RTS2/L1ST6,
PC[13]/L1ST7/RTS3, PC[12]/L1RQa/L1ST8, PC[11]/USBRXP, PC[10]/TGATE1/USBRXN, PC[9]/CTS2,
PC[8]/CD2/TGATE1, PC[7]/USBTXP, PC[6]/USBTXN, PC[5]/CTS3/L1TSYNCA/SDACK1, PC[4]/CD3/L1RSYNCA,
PD[15], PD[14], PD[13], PD[12], PD[11], PD[10], PD[9], PD[8], PD[7], PD[6], PD[5], PD[4], PD[3]
2
BDIP/GPL_B5, BR, BG, FRZ/IRQ6, CS[0:5], CS6/CE1_B, CS7/CE2_B, WE0/BS_AB0/IORD, WE1/BS_AB1/IOWR,
WE2/BS_AB2/PCOE, WE3/BS_AB3/PCWE, GPL_A0/GPL_B0, OE/GPL_A1/GPL_B1,
GPL_A[2:3]/GPL_B[2:3]/CS[2:3], UPWAITA/GPL_A4/AS, UPWAITB/GPL_B4, GPL_A5, ALE_B/DSCK/AT1,
OP2/MODCK1/STS, OP3/MODCK2/DSDO
3 The MPC850 IBIS model must be used to accurately model the behavior of the Clkout output driver for the full and
half drive setting. Due to the nature of the Clkout output buffer, IOH and IOL for Clkout should be extracted from the
IBIS model at any output voltage level.
Table 5. DC Electrical Specifications (continued)
Characteristic
Symbol
Min
Max
Unit
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