Datasheet
Appendix A Electrical Characteristics
MC9S12XDP512 Data Sheet, Rev. 2.21
1246 Freescale Semiconductor
A.1.9 I/O Characteristics
This section describes the characteristics of all I/O pins except EXTAL, XTAL,XFC,TEST,VREGEN and
supply pins.
CAUTION
The internal pull up/pull down device specification is different depending on
maskset.
Table A-6. 3.3-V I/O Characteristics
Conditions are 3.15 V < V
DD35
< 3.6 V temperature from –40°C to +140°C, unless otherwise noted
I/O Characteristics for all I/O pins except EXTAL, XTAL,XFC,TEST, VREGEN and supply pins.
Num C Rating Symbol Min Typ Max Unit
1 P Input high voltage V
IH
0.65*V
DD35
——V
T Input high voltage V
IH
——V
DD35
+ 0.3 V
2 P Input low voltage V
IL
— — 0.35*V
DD35
V
T Input low voltage V
IL
V
SS35
– 0.3 — — V
3 C Input hysteresis V
HYS
250 mV
4 C Input leakage current (pins in high impedance input
mode)
1
V
in
= V
DD35
or V
SS35
I
in
–1 — 1 µA
5 C Output high voltage (pins in output mode)
Partial drive I
OH
= –0.75 mA
V
OH
V
DD35
– 0.4 — — V
6 P Output high voltage (pins in output mode)
Full drive I
OH
= –4 mA
V
OH
V
DD35
– 0.4 — — V
7 C Output low voltage (pins in output mode)
Partial Drive I
OL
= +0.9 mA
V
OL
— — 0.4 V
8 P Output low voltage (pins in output mode)
Full Drive I
OL
= +4.75 mA
V
OL
— — 0.4 V
Internal pull up/pull down device specification (items 9 to 12) only valid for masksets 0L15Y & 1L15Y
9 P Internal pull up device current, tested at V
IL
max. I
PUL
— — –60 µA
10 C Internal pull up device current, tested at V
IH
min. I
PUH
-6 — - µA
11 P Internal pull down device current, tested at V
IH
min. I
PDH
——60µA
12 C Internal pull down device current, tested at V
IL
max. I
PDL
6——µA
Internal pull up/pull down device specification (items 13 to 14) valid for all other masksets
13 P Internal pull up resistance
VIH min > input voltage > VIL max
R
PUL
25 55 KΩ
14 P Internal pull down resistance
VIH min > input voltage > VIL max
R
PDH
25 55 KΩ
15 D Input capacitance C
in
—6—pF
16 T Injection current
2
Single pin limit
Total device limit, sum of all injected currents
I
ICS
I
ICP
–2.5
–25
—
2.5
25
mA