mpc8309 Freescale Semiconductor, Inc, mpc8309 Datasheet - Page 46

• Manufacturer Part Number: mpc8309
• Description: Powerquicc Ii Pro Integrated Communications Processor Family Hardware Specifications
• Manufacturer: Freescale Semiconductor, Inc

GPIO
18 GPIO
This section describes the DC and AC electrical specifications for the GPIO of the MPC8309.
18.1
Table 11
18.2
Table 48
Figure 35
46
Output high voltage
Output low voltage
Output low voltage
Input high voltage
Input low voltage
Input current
Note:
1. This specification applies when operating from 3.3-V supply.
GPIO 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 SYS_CLK_IN.
2. GPIO inputs and outputs are asynchronous to any visible clock. GPIO outputs should be synchronized before use by any
Timings are measured at the pin.
external synchronous logic. GPIO inputs are required to be valid for at least t
MPC8309 PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 0
Characteristic
provides the DC electrical characteristics for the MPC8309 GPIO.
provides the GPIO input and output AC timing specifications.
GPIO DC Electrical Characteristics
GPIO AC Timing Specifications
provides the AC test load for the GPIO.
Output
Table 48. GPIO Input AC Timing Specifications
Characteristic
Table 47. GPIO DC Electrical Characteristics
Symbol
V
V
V
V
V
I
OH
OL
IN
OL
IH
IL
Figure 35. GPIO AC Test Load
Z
0
0 V V
= 50 
I
OH
I
I
OL
OL
Condition
= –6.0 mA
= 3.2 mA
= 6.0 mA
IN
—
—
OV
DD
R
L
–0.3
Min
= 50 
2.4
2.0
—
—
—
PIWID
ns to ensure proper operation.
Symbol
1
OV
t
PIWID
OV
DD
DD
Max
0.5
0.4
0.8
±5
—
/2
2
+ 0.3
Freescale Semiconductor
Min
20
Unit
A
V
V
V
V
V
Notes
Unit
—
—
ns
1
1
1
1