參數(shù)資料
型號(hào): MPC870
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述: Hardware Specifications
中文描述: 硬件規(guī)格
文件頁(yè)數(shù): 2/84頁(yè)
文件大?。?/td> 1366K
代理商: MPC870
MPC875/MPC870 Hardware Specifications, Rev. 3.0
10
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Freescale Semiconductor
DC Characteristics
6
DC Characteristics
Table 6 provides the DC electrical characteristics for the MPC875/870.
2 Maximum power dissipation at V
DDL = VDDSYN = 1.9 V, and VDDH is at 3.5 V.
NOTE
The values in Table 5 represent VDDL-based power dissipation and do not
include I/O power dissipation over VDDH. I/O power dissipation varies
widely by application due to buffer current, depending on external
circuitry.
The VDDSYN power dissipation is negligible.
Table 6. DC Electrical Specifications
Characteristic
Symbol
Min
Max
Unit
Operating voltage
VDDH (I/O)
3.135
3.465
V
VDDL (Core)
1.7
1.9
V
VDDSYN
1
1 The difference between V
DDL and VDDSYN cannot be more than 100 mV.
1.7
1.9
V
Difference
between
VDDL and
VDDSYN
100
mV
Input high voltage (all inputs except EXTAL and EXTCLK) 2
2 The signals PA[0:15], PB[14:31], PC[4:15], PD[3:15], PE(14:31), TDI, TDO, TCK, TRST, TMS, MII1_TXEN, MII_MDIO
are 5-V tolerant. The minimum voltage is still 2.0 V.
VIH
2.0
3.465
V
Input low voltage 3
3 V
IL(max) for the I
2C interface is 0.8 V rather than the 1.5 V as specified in the I2C standard.
VIL
GND
0.8
V
EXTAL, EXTCLK input high voltage
VIHC
0.7
× V
DDH
VDDH
V
Input leakage current, Vin = 5.5 V (except TMS, TRST, DSCK and
DSDI pins) for 5-V tolerant pins 1
Iin
100
A
Input leakage current, Vin = VDDH (except TMS, TRST, DSCK, and
DSDI)
IIn
—10
A
Input leakage current, Vin = 0 V (except TMS, TRST, DSCK and DSDI
pins)
IIn
—10
A
Input capacitance 4
Cin
—20
pF
Output high voltage, IOH = –2.0 mA, VDDH = 3.0 V
except XTAL and open-drain pins
VOH
2.4
V
Output low voltage
IOL = 2.0 mA (CLKOUT)
IOL = 3.2 mA 5
IOL = 5.3 mA 6
IOL = 7.0 mA (TXD1/PA14, TXD2/PA12)
IOL = 8.9 mA (TS, TA, TEA, BI, BB, HRESET, SRESET)
VOL
—0.5
V
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