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MC9S12VR-Family - Data Sheet - Freescale Semiconductor

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A.1.8 I/O Characteristics<br />

This section describes the characteristics of I/O pins<br />

<strong>MC9S12VR</strong> <strong>Family</strong> Reference Manual, Rev. 2.8<br />

MCU Electrical Specifications<br />

Table A-8. 5-V I/O Characteristics<br />

ALL 5V RANGE I/O PARAMETERS ARE SUBJECT TO CHANGE FOLLOWING CHARACTERIZATION<br />

Conditions are 4.5 V < V DDX< 5.5 V junction temperature from –40°C to +150°C, unless otherwise noted<br />

I/O Characteristics for all I/O pins except EXTAL, XTAL,TEST, PL, HS[1:0], LS[1:0], LIN and supply pins.<br />

Num C Rating Symbol Min Typ Max Unit<br />

1 P Input high voltage V<br />

IH<br />

0.65*VDDX — — V<br />

2 T Input high voltage VIH — — VDDX+0.3 V<br />

3 P Input low voltage V IL — — 0.35*V DDX V<br />

4 T Input low voltage V IL V SSX–0.3 — — V<br />

5 C Input hysteresis V HYS 250 — mV<br />

6 P Input leakage current (pins in high impedance input<br />

mode) 1 V in = V DDX or V SSX<br />

7 P Output high voltage (pins in output mode)<br />

I OH = –4 mA for PP[5:3], PS, PT, PAD<br />

8 P Output high voltage (pins in output mode) PP[1:0]<br />

Partial Drive I OH = –2 mA<br />

Full Drive IOH = –10mA<br />

9 P Output high voltage (pins in output mode)<br />

PP[2]/EVDD<br />

Partial Drive I OH = –2 mA<br />

Full Drive IOH = –20mA<br />

10 P Output low voltage (pins in output mode)<br />

I OL = +4mA for PP[5:3], PS, PT, PAD<br />

11 P Output low voltage (pins in output mode) PP[1:0]<br />

Partial drive I OL = +2mA<br />

Full drive I OL = +10mA<br />

12 P Output low voltage (pins in output mode) for<br />

PP[2]/EVDD<br />

Partial drive I OL = +2mA<br />

Full drive I OL = +20mA<br />

<strong>Freescale</strong> <strong>Semiconductor</strong> 517<br />

I in<br />

V OH<br />

V OH<br />

V OH<br />

V OL<br />

V OL<br />

V OL<br />

-1 1 µA<br />

V DDX – 0.8 — — V<br />

V DDX – 0.8 V<br />

V DDX – 0.8 V<br />

— — 0.8 V<br />

0.8 V<br />

0.8 V<br />

13 P Over-current Detect Threshold PP[2]/EVDD I OCD 20 55 mA<br />

14 P Internal pull up resistor on RESET pin<br />

V IH min > input voltage > V IL max<br />

15 P Internal pull up current<br />

V IH min > input voltage > V IL max<br />

16 P Internal pull down current<br />

V IH min > input voltage > V IL max<br />

R PUL 3.8 5 10.5 ΚΩ<br />

I PUL -10 — -130 µA<br />

I PDH 10 — 130 µA<br />

17 D Input capacitance C in — 7 — pF<br />

18 T Injection current 2<br />

Single pin limit<br />

Total device Limit, sum of all injected currents<br />

I ICS<br />

I ICP<br />

–2.5<br />

–25<br />

—<br />

2.5<br />

25<br />

mA

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