參數(shù)資料
型號: MPC8379ECVRAGDA
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, PBGA689
封裝: 31 X 31 MM, 2.46 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-689
文件頁數(shù): 75/114頁
文件大?。?/td> 1337K
代理商: MPC8379ECVRAGDA
MPC8379E PowerQUICC II Pro Processor Hardware Specifications, Rev. 2
Freescale Semiconductor
63
Timers
16 Timers
This section describes the DC and AC electrical specifications for the timers of the MPC8379E.
16.1
Timers DC Electrical Characteristics
Table 59 provides the DC electrical characteristics for the device timers pins, including TIN, TOUT,
TGATE, and RTC_CLK.
16.2
Timers AC Timing Specifications
Table 60 provides the timers input and output AC timing specifications.
Deterministic jitter
fC3dB =fBAUD/10
USATA_TXDJfB/10
0.35
UIp-p
1
Deterministic jitter
fC3dB =fBAUD/500
USATA_TXDJfB/500
0.42
UIp-p
1
Deterministic jitter
fC3dB =fBAUD/1667
USATA_TXDJfB/1667
0.35
UIp-p
1
Note:
1 Measured at Tx output pins peak to peak phase variation, random data pattern.
Table 59. 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 60. 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
Table 58. Gen 2i/3G Receiver AC Specifications (continued)
Parameter
Symbol
Min
Typical
Max
Units
Notes
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