参数资料
型号: MPC8535EAVTAQGA
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 1000 MHz, MICROPROCESSOR, PBGA783
封装: 29 X 29 MM, 2.80 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, FCBGA-783
文件页数: 113/126页
文件大小: 2861K
代理商: MPC8535EAVTAQGA
GPIO
MPC8535E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 3
Freescale Semiconductor
87
2.18
GPIO
This section describes the DC and AC electrical specifications for the GPIO interface of the MPC8535E.
2.18.1
GPIO DC Electrical Characteristics
Table 65 provides the DC electrical characteristics for the GPIO interface.
2.18.2
GPIO AC Electrical Specifications
Table 66 provides the GPIO input and output AC timing specifications.
Figure 53 provides the AC test load for the GPIO.
Figure 53. GPIO AC Test Load
Table 65. GPIO DC Electrical Characteristics
Parameter
Symbol
Min
Max
Unit
High-level input voltage
VIH
2OVDD + 0.3
V
Low-level input voltage
VIL
– 0.3
0.8
V
Input current
(VIN
1 = 0 V or V
IN = VDD)
IIN
—±5
μA
High-level output voltage
(OVDD = min, IOH = –2 mA)
VOH
2.4
V
Low-level output voltage
(OVDD = min, IOL = 2 mA)
VOL
—0.4
V
Note:
1. Note that the symbol VIN, in this case, represents the OVIN symbol referenced in Table 1 and Table 2.
Table 66. GPIO Input and Output AC Timing Specifications1
Characteristic
Symbol 2
Min
Unit
Notes
GPIO inputs—minimum pulse width
tPIWID
7.5
ns
3
GPIO outputs—minimum pulse width
tGTOWID
12
ns
Notes:
1. Input specifications are measured from the 50% level of the signal to the 50% level of the rising edge of CLKIN. Timings
are measured at the pin.
2. GPIO inputs and outputs are asynchronous to any visible clock. GPIO outputs should be synchronized before use by any
external synchronous logic. GPIO inputs are required to be valid for at least tPIWID ns to ensure proper operation.
3. The minimum pulse width is a function of the MPX/Platform clock. The minimum pulse width must be greater than or equal
to 4 times the MPX/Platform clock period.
Output
Z0 = 50 Ω
OVDD/2
RL = 50 Ω
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