參數(shù)資料
型號(hào): MPC8347CVRAGDA
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 400 MHz, MICROPROCESSOR, PBGA620
封裝: 29 X 29 MM, 2.46 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-620
文件頁數(shù): 83/120頁
文件大?。?/td> 1349K
代理商: MPC8347CVRAGDA
MPC8347EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 2
Freescale Semiconductor
65
GPIO
15 GPIO
This section describes the DC and AC electrical specifications for the GPIO.
15.1
GPIO DC Electrical Characteristics
Table 48 provides the DC electrical characteristics for the MPC8347EA GPIO.
15.2
GPIO AC Timing Specifications
Table 49 provides the GPIO input and output AC timing specifications.
Table 48. GPIO DC Electrical Characteristics
Characteristic
Symbol
Condition
Min
Max
Unit
Input high voltage
VIH
2.0
OVDD+0.3
V
Input low voltage
VIL
–0.3
0.8
V
Input current
IIN
±5
μA
Output high voltage
VOH
IOH = –8.0 mA
2.4
V
Output low voltage
VOL
IOL = 8.0 mA
0.5
V
Output low voltage
VOL
IOL = 3.2 mA
0.4
V
Table 49. GPIO Input AC Timing Specifications 1
Characteristic
Symbol 2
Min
Unit
GPIO inputs—minimum pulse width
tPIWID
20
ns
Notes:
1. Input specifications are measured from the 50 percent level of the signal to the 50 percent 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 external
synchronous logic. GPIO inputs must be valid for at least tPIWID ns to ensure proper operation.
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