参数资料
型号: MPC8306CVMADDCA
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 266 MHz, RISC PROCESSOR, PBGA369
封装: 19 X 19 MM, 1.61 MM HEIGHT, 0.80 MM PITCH, LEAD FREE, MAPBGA-369
文件页数: 37/76页
文件大小: 474K
代理商: MPC8306CVMADDCA
MPC8306 PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 0
42
Freescale Semiconductor
Timers
16 Timers
This section describes the DC and AC electrical specifications for the timers of the MPC8306.
16.1
Timer DC Electrical Characteristics
Table 42 provides the DC electrical characteristics for the MPC8306 timer pins, including TIN, TOUT,
TGATE, and RTC_PIT_CLK.
16.2
Timer AC Timing Specifications
Table 43 provides the timer input and output AC timing specifications.
Figure 31 provides the AC test load for the timers.
Figure 31. Timers AC Test Load
Table 42. 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 43. 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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