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| 型號： | MPC8309CVMAHFCA |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 417 MHz, RISC PROCESSOR, PBGA489 |
| 封裝： | 19 X 19 MM, 1.61 MM HEIGHT, 0.80 MM PITCH, LEAD FREE, PLASTIC, MAPBGA-489 |
| 文件頁數(shù)： | 39/81頁 |
| 文件大?。?/td> | 484K |
| 代理商： | MPC8309CVMAHFCA |
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MPC8309 PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 1
44
Freescale Semiconductor
Timers
17 Timers
This section describes the DC and AC electrical specifications for the timers of the MPC8309.
17.1
Timer DC Electrical Characteristics
The following table provides the DC electrical characteristics for the MPC8309 timer pins, including TIN,
TOUT, TGATE, and RTC_PIT_CLK.
17.2
Timer AC Timing Specifications
The following table provides the timer input and output AC timing specifications.
The following figure provides the AC test load for the timers.
Figure 34. Timers AC Test Load
Table 45. Timer DC Electrical Characteristics
Characteristic
Symbol
Condition
Min
Max
Unit
Output high voltage
VOH
IOH =–6.0mA
2.4
—
V
Output low voltage
VOL
IOL =6.0 mA
—
0.5
V
Output low voltage
VOL
IOL =3.2 mA
—
0.4
V
Input high voltage
VIH
—2.0
OVDD +0.3
V
Input low voltage
VIL
—–0.3
0.8
V
Input current
IIN
0 V
VIN OVDD
—
±5
A
Table 46. Timer Input AC Timing Specifications1
Characteristic
Symbol2
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 SYS_CLK_IN.
Timings are measured at the pin.
2. Timer inputs and outputs are asynchronous to any visible clock. Timer outputs should be synchronized before use by any
external synchronous logic. Timer inputs are required to be valid for at least tTIWID ns to ensure proper operation.
Output
Z0 = 50
OVDD/2
RL = 50
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|---|---|
| MPC8309EC | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications |
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