参数资料
型号: MPC8568ECVTANGGA
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 800 MHz, RISC PROCESSOR, PBGA1023
封装: 33 X 33 MM, 2.75 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, FCBGA-1023
文件页数: 128/139页
文件大小: 1449K
代理商: MPC8568ECVTANGGA
MPC8568E/MPC8567E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 1
Freescale Semiconductor
89
Timers
16 Timers
This section describes the DC and AC electrical specifications for the timers of the MPC8568E.
16.1
Timers DC Electrical Characteristics
Table 65 provides the DC electrical characteristics for the MPC8568E timers pins, including TIN, TOUT,
TGATE and RTC_CLK.
16.2
Timers AC Timing Specifications
Table 66 provides the timers input and output AC timing specifications.
Figure 56 provides the AC test load for the timers.
Figure 56. Timers AC Test Load
Table 65. Timers DC Electrical Characteristics
Characteristic
Symbol
Condition
Min
Max
Unit
Output high voltage
VOH
IOH = –6.0 mA
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
± 10
μA
Table 66. Timers Input AC Timing Specifications 1
Characteristic
Symbol 2
Typ
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
Output
Z0 = 50 Ω
OVDD/2
RL = 50 Ω
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