参数资料
型号: MPC8569VTAUNLB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: RISC PROCESSOR, PBGA783
封装: 29 X 29 MM, 1 MM PITCH, PLASTIC, BGA-783
文件页数: 124/126页
文件大小: 2847K
代理商: MPC8569VTAUNLB
GPIO
MPC8569E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 0
Freescale Semiconductor
97
2.13
GPIO
This section describes the DC and AC electrical characteristics for the GPIO interface.
2.13.1
GPIO DC Electrical Characteristics
The following table provides the DC electrical characteristics for the GPIO interface when operating from a 3.3 V supply
2.13.2
GPIO AC Timing Specifications
The following table provides the GPIO input and output AC timing specifications.
The following figure provides the AC test load for the GPIO.
Figure 51. GPIO AC Test Load
Table 58. GPIO DC Electrical Characteristics (3.3 V)
For recommended operating conditions, see Table 3
Parameter
Symbol
Min
Max
Unit
Notes
Input high voltage
VIH
2—
V
1
Input low voltage
VIL
—0.8
V
1
Input current (OVIN = 0 V or OVIN = OVDD)
IIN
—±40
μA2
Output high voltage (OVDD = min, IOH = –2 mA)
VOH
2.4
V
Output low voltage (OVDD = min, IOL = 2 mA)
VOL
—0.4
V
Note:
1. The min VILand max VIH values are based on the min and max OVIN respective values found in Table 3.
2. The symbol OVIN represents the input voltage of the supply. It is referenced in Table 3.
Table 59. GPIO Input AC Timing Specifications
For recommended operating conditions, see Table 3
Parameter
Symbol
Min
Unit
Notes
GPIO inputs—minimum pulse width
tPIWID
20
ns
1
Notes:
1. GPIO inputs and outputs are asynchronous to any visible clock. GPIO outputs must be synchronized before use by any
external synchronous logic. GPIO inputs are required to be valid for at least tPIWID to ensure proper operation.
Output
Z0 = 50 Ω
OVDD/2
RL = 50 Ω
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