参数资料
型号: MPC8533VTALFB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 667 MHz, RISC PROCESSOR, PBGA783
封装: 29 X 29 MM, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-783
文件页数: 70/116页
文件大小: 1277K
代理商: MPC8533VTALFB
MPC8533E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 2
Freescale Semiconductor
57
GPIO
14 GPIO
This section describes the DC and AC electrical specifications for the GPIO interface of the MPC8533E.
14.1
GPIO DC Electrical Characteristics
Table 48 provides the DC electrical characteristics for the GPIO interface.
14.2
GPIO AC Electrical Specifications
Table 49 provides the GPIO input and output AC timing specifications.
Figure 36 provides the AC test load for the GPIO.
Figure 36. GPIO AC Test Load
Table 48. GPIO DC Electrical Characteristics
Parameter
Symbol
Min
Max
Unit
Notes
High-level input voltage
VIH
2OVDD + 0.3
V
Low-level input voltage
VIL
– 0.3
0.8
V
Input current (VIN = 0 V or VIN = VDD)
IIN
—±5
μA1
High-level output voltage (OVDD = mn, 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 49. GPIO Input AC Timing Specifications
Parameter
Symbol
Typ
Unit
Notes
GPIO inputs—minimum pulse width
tPIWID
20
ns
1
Note:
1. 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.
Output
Z0 = 50 Ω
OVDD/2
RL = 50 Ω
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