參數(shù)資料
型號: MPC8548ECPXATGB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 1200 MHz, MICROPROCESSOR, PBGA783
封裝: 29 X 29 MM, 1 MM PITCH, PLASTIC, BGA-783
文件頁數(shù): 96/143頁
文件大?。?/td> 1460K
代理商: MPC8548ECPXATGB
MPC8548E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 8
56
Freescale Semiconductor
GPOUT/GPIN
Figure 29 provides the AC test load for the I2C.
Figure 33. I2C AC Test Load
Figure 34 shows the AC timing diagram for the I2C bus.
Figure 34. I2C Bus AC Timing Diagram
14 GPOUT/GPIN
This section describes the DC and AC electrical specifications for the GPOUT/GPIN bus of the MPC8548E.
14.1
GPOUT/GPIN Electrical Characteristics
Table 47 and Table 48 provide the DC electrical characteristics for the GPOUT interface.
Table 47. GPOUT DC Electrical Characteristics (3.3 V DC)
Parameter
Symbol
Min
Max
Unit
Supply voltage 3.3 V
BVDD
3.13
3.47
V
High-level output voltage
(BVDD =min, IOH =–2 mA)
VOH
BVDD –0.2
V
Low-level output voltage
(BVDD =min, IOL =2 mA)
VOL
—0.2
V
Table 48. GPOUT DC Electrical Characteristics (2.5 V DC)
Parameter
Symbol
Min
Max
Unit
Supply voltage 2.5 V
BVDD
2.37
2.63
V
High-level output voltage
(BVDD =min, IOH = –1 mA)
VOH
2.0
BVDD + 0.3
V
Low-level output voltage
(BVDD min, IOL = 1 mA)
VOL
GND – 0.3
0.4
V
Output
Z0 = 50 Ω
OVDD/2
RL = 50 Ω
Sr
S
SDA
SCL
tI2CF
tI2SXKL
tI2CL
tI2CH
tI2DXKL,tI2OVKL
tI2DVKH
tI2SXKL
tI2SVKH
tI2KHKL
tI2PVKH
tI2CR
tI2CF
PS
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