參數(shù)資料
型號: MPC8308CZQAGD
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 266 MHz, MICROPROCESSOR, PBGA473
封裝: 19 X 19 MM, 0.80 MM PITCH, 1.39 MM HEIGHT, MAPBGA-473
文件頁數(shù): 55/88頁
文件大?。?/td> 2550K
代理商: MPC8308CZQAGD
MPC8308 PowerQUICC II Pro Processor Hardware Specification, Rev. 1
Freescale Semiconductor
59
GPIO
17 GPIO
This section describes the DC and AC electrical specifications for the GPIO of MPC8308
17.1
GPIO DC Electrical Characteristics
Table 47 provides the DC electrical characteristics for the GPIO.
17.2
GPIO AC Timing Specifications
Table 48 provides the GPIO input and output AC timing specifications.
Figure 48 provides the AC test load for the GPIO.
Figure 48. GPIO AC Test Load
Table 47. GPIO DC Electrical Characteristic
Characteristic
Symbol
Condition
Min
Max
Unit
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
Input high voltage
VIH
—2.1
NVDD +0.3
V
Input low voltage
VIL
–0.3
0.8
V
Input current
IIN
0V
≤ VIN ≤ NVDD
± 5
μA
Table 48. GPIO Input AC Timing Specifications
Characteristic
Symbol1
Min
Unit
GPIO inputs—minimum pulse width
tPIWID
20
ns
Notes:
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
NVDD/2
RL = 50 Ω
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