Datasheet

Appendix A Electrical Characteristics
MC9S12E128 Data Sheet, Rev. 1.07
Freescale Semiconductor 569
A.1.9 I/O Characteristics
This section describes the characteristics of all 3.3V/5V I/O pins. All parameters are not always applicable,
e.g., not all pins feature pull up/down resistances.
Table A-6. 5V I/O Characteristics
Conditions are shown in Table A-4 unless otherwise noted
Num C Rating Symbol Min Typ Max Unit
1 P Input High Voltage V
IH
0.65*V
DD5
——V
T Input High Voltage V
IH
——V
DD5
+ 0.3 V
2 P Input Low Voltage V
IL
— — 0.35*V
DD5
V
T Input Low Voltage V
IL
V
SS5
– 0.3 — — V
3 C Input Hysteresis V
HYS
— 250 — mV
4 P Input Leakage Current (pins in high ohmic input
mode)
1
V
in
= V
DD5
or V
SS5
1
Maximum leakage current occurs at maximum operating temperature. Current decreases by approximately one-half for each
8 C to 12 C in the temperature range from 50 C to 125 C.
I
in
–1.0 — 1.0 µA
5 C Output High Voltage (pins in output mode)
Partial Drive I
OH
= –2mA
V
OH
V
DD5
– 0.8 — — V
6 P Output High Voltage (pins in output mode)
Full Drive IOH = –10mA
V
OH
V
DD5
– 0.8 — — V
7 C Output Low Voltage (pins in output mode)
Partial Drive IOL = +2mA
V
OL
— — 0.8 V
8 P Output Low Voltage (pins in output mode)
Full Drive I
OL
= +10mA
V
OL
— — 0.8 V
9 P Internal Pull Up Device Current, tested at V
IL
Max. I
PUL
— — –130 µA
10 C Internal Pull Up Device Current, tested at V
IH
Min. I
PUH
–10 — — µA
11 P Internal Pull Down Device Current, tested at V
IH
Min.
I
PDH
— — 130 µA
12 C Internal Pull Down Device Current, tested at V
IL
Max.
I
PDL
10 — — µA
13 D Input Capacitance C
in
—6—pF
14 T Injection current
2
Single Pin limit
Total Device Limit. Sum of all injected currents
2
Refer to Section A.1.4, “Current Injection” for more details
I
ICS
I
ICP
–2.5
–25
—
—
2.5
25
mA
15 P Port AD Interrupt Input Pulse filtered
3
3
Parameter only applies in STOP or Pseudo STOP mode.
t
PIGN
—— 3µs
16 P Port AD Interrupt Input Pulse passed
3
t
PVAL
10 — — µs