参数资料
型号: MPC8378E-MDS-PB
厂商: Freescale Semiconductor
文件页数: 102/128页
文件大小: 0K
描述: BOARD PROCESSOR FOR MDS S
标准包装: 1
类型: MPU
适用于相关产品: MPC8378
所含物品:
MPC8378E PowerQUICC II Pro Processor Hardware Specifications, Rev. 8
Freescale Semiconductor
75
16.2
Timers AC Timing Specifications
This table provides the timers input and output AC timing specifications.
This figure provides the AC test load for the timers.
Figure 49. Timers AC Test Load
17 GPIO
This section describes the DC and AC electrical specifications for the GPIO of the chip.
17.1
GPIO DC Electrical Characteristics
This table provides the DC electrical characteristics for the device GPIO.
Table 60. Timers Input AC Timing Specifications1
Parameter
Symbol 2
Min
Unit
Timers inputs—minimum pulse width
tTIWID
20
ns
Notes:
1. Input specifications are measured from the 50% level of the signal to the 50% level of the rising edge of CLKIN. Timings are
measured at the pin.
2. Timers inputs and outputs are asynchronous to any visible clock. Timers outputs should be synchronized before use by any
external synchronous logic. Timers inputs are required to be valid for at least tTIWID ns to ensure proper operation
Table 61. GPIO DC Electrical Characteristics
This specification applies when operating at 3.3 V ± 165 mV supply.
Parameter
Condition
Symbol
Min
Max
Unit
Output high voltage
IOH = –6.0 mA
VOH
2.4
V
Output low voltage
IOL = 6.0 mA
VOL
—0.5
V
Output low voltage
IOL = 3.2 mA
VOL
—0.4
V
Input high voltage
VIH
2.0
OVDD +0.3
V
Input low voltage
VIL
–0.3
0.8
V
Input current
0 V
≤ VIN ≤ OVDD
IIN
—± 30
μA
Output
Z0 = 50 Ω
OVDD/2
RL = 50 Ω
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