參數(shù)資料
型號: MPC8377EVRANGA
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, PBGA689
封裝: 31 X 31 MM, 2.46 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-689
文件頁數(shù): 95/124頁
文件大?。?/td> 1462K
代理商: MPC8377EVRANGA
MPC8377E PowerQUICC II Pro Processor Hardware Specifications, Rev. 2
72
Freescale Semiconductor
Timers
17 Timers
This section describes the DC and AC electrical specifications for the timers of the MPC8377E.
17.1
Timers DC Electrical Characteristics
Table 62 provides the DC electrical characteristics for the device timers pins, including TIN, TOUT,
TGATE, and RTC_CLK.
17.2
Timers AC Timing Specifications
Table 63 provides the timers input and output AC timing specifications.
Figure 46 provides the AC test load for the timers.
Figure 46. Timers AC Test Load
Table 62. Timers DC Electrical Characteristics
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
Table 63. Timers Input AC Timing Specifications 1
Parameter
Symbol 2
Min
Unit
Timers inputs—minimum pulse width
tTIWID
20
ns
Note:
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
Output
Z0 = 50 Ω
OVDD/2
RL = 50 Ω
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