参数资料
型号: MPC8308-KIT
厂商: Freescale Semiconductor
文件页数: 52/83页
文件大小: 0K
描述: KIT EVALUATION FOR MPC830X
标准包装: 1
系列: PowerQUICC II™ PRO
类型: MPU
适用于相关产品: MPC8308
所含物品: 板,线缆,CD,电源
MPC8308 PowerQUICC II Pro Processor Hardware Specification, Rev. 3
56
Freescale Semiconductor
GPIO
17 GPIO
This section describes the DC and AC electrical specifications for the GPIO of MPC8308
17.1
GPIO DC Electrical Characteristics
This table provides the DC electrical characteristics for the GPIO.
17.2
GPIO AC Timing Specifications
This table provides the GPIO input and output AC timing specifications.
This figure 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 =–8.0mA
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
V
IN NVDD
± 5
A
Table 48. GPIO Input AC Timing Specifications
Characteristic
Symbol1
Min
Unit
GPIO inputs—minimum pulse width
tPIWID
20
ns
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
NVDD/2
RL = 50
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