Electrical Characteristics
A.1.9
I/O Characteristics
This section describes the characteristics of all I/O pins except EXTAL, XTAL, TEST and supply pins.
Table A-6. 3.3-V I/O Characteristics
ALL 3.3V RANGE I/O PARAMETERS ARE SUBJECT TO CHANGE FOLLOWING CHARACTERIZATION
Conditions are 3.15 V < VDD35 < 3.6 V junction temperature from –40°C to +150°C, unless otherwise noted
I/O Characteristics for all I/O pins except EXTAL, XTAL,TEST and supply pins.
Num
C
Rating
Symbol
Min
Typ
Max
Unit
1
P Input high voltage
T Input high voltage
P Input low voltage
T Input low voltage
C Input hysteresis
VIH
VIH
VIL
0.65*VDD35
—
—
—
V
V
—
—
VDD35 + 0.3
0.35*VDD35
—
2
—
V
VIL
VSS35 – 0.3
—
V
3
4
VHYS
Iin
250
mV
µA
Input leakage current (pins in high impedance input
mode)(1)
= V or V
V
in
DD35
SS35
P M temperature range –40°C to +150°C
C V temperature range –40°C to +125°C
C C temperature range –40°C to +105°C
–1.00
-0.75
-0.50
—
—
—
1.00
0.75
0.50
5
6
7
8
9
C Output high voltage (pins in output mode)
VOH
VOH
VOL
VDD35 – 0.4
—
—
—
—
—
—
—
V
V
Partial drive I
= –0.75 mA
OH
P Output high voltage (pins in output mode)
Full drive IOH = –4 mA
VDD35 – 0.4
—
C Output low voltage (pins in output mode)
Partial Drive IOL = +0.9 mA
—
—
25
25
—
0.4
0.4
50
50
—
V
P Output low voltage (pins in output mode)
VOL
V
Full Drive I
= +4.75 mA
OL
P Internal pull up resistance
IH min > input voltage > VIL max
10 P Internal pull down resistance
IH min > input voltage > VIL max
11 D Input capacitance
RPUL
RPDH
Cin
KΩ
KΩ
V
V
6
pF
12
T Injection current(2)
Single pin limit
—
mA
IICS
IICP
–2.5
–25
2.5
25
Total device limit, sum of all injected currents
13 P Port J, P interrupt input pulse filtered (STOP)(3)
14 P Port J, P interrupt input pulse passed (STOP)3
15 D Port J, P interrupt input pulse filtered (STOP)
16 D Port J, P interrupt input pulse passed (STOP)
17 D IRQ pulse width, edge-sensitive mode (STOP)
tPULSE
tPULSE
tPULSE
tPULSE
PWIRQ
—
10
—
4
—
—
—
—
—
3
µs
µs
—
3
tcyc
tcyc
tcyc
—
1
—
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.
2. Refer to Section A.1.4, “Current Injection” for more details
3. Parameter only applies in stop or pseudo stop mode.
S12P-Family Reference Manual, Rev. 1.13
508
Freescale Semiconductor
FREESCALE [ Freescale ]
