mpc8568e Freescale Semiconductor, Inc, mpc8568e Datasheet - Page 89

• Manufacturer Part Number: mpc8568e
• Description: Mpc8568e Powerquicc Iii Processor
• Manufacturer: Freescale Semiconductor, Inc

16 Timers
This section describes the DC and AC electrical specifications for the timers of the MPC8568E.
16.1
Table 65
TGATE and RTC_CLK.
16.2
Table 66
Figure 56
Freescale Semiconductor
Timers inputs—minimum pulse width
Notes:
1. Input specifications are measured from the 50% level of the signal to the 50% level of the rising edge of CLKIN.
2. Timers inputs and outputs are asynchronous to any visible clock. Timers outputs should be synchronized before use
Output high voltage
Output low voltage
Output low voltage
Input high voltage
Input low voltage
Input current
Timings are measured at the pin.
by any external synchronous logic. Timers inputs are required to be valid for at least t
operation
provides the DC electrical characteristics for the MPC8568E timers pins, including TIN, TOUT,
provides the timers input and output AC timing specifications.
Timers DC Electrical Characteristics
Timers AC Timing Specifications
provides the AC test load for the timers.
MPC8568E/MPC8567E PowerQUICC III™ Integrated Processor Hardware Specifications, Rev. 0
Characteristic
Output
Table 66. Timers Input AC Timing Specifications
Characteristic
Table 65. Timers DC Electrical Characteristics
Figure 56. Timers AC Test Load
Z
0
Symbol
= 50 Ω
V
V
V
V
V
I
OH
OL
IN
OL
IH
IL
0 V ≤ V
I
OH
I
I
OL
OL
Condition
= –6.0 mA
= 3.2 mA
= 6.0 mA
IN
—
—
≤ OV
R
L
DD
= 50 Ω
Symbol
Min
-0.3
t
2.4
2.0
TIWID
—
—
—
OV
1
2
DD
TIWID
OV
/2
Max
± 10
ns to ensure proper
DD
0.5
0.4
0.8
—
+0.3
Typ
20
Unit
μA
V
V
V
V
V
Unit
ns
Timers
89