Pin Name

I/O

ROM Code

Option

Description

VSS

¾¾

Negative power supply, ground

PC0~PC7

I/O

Pull-high

Bidirectional I/O lines. Software instructions determine the CMOS out-

put or Schmitt trigger input with pull-high resistor (determined by

pull-high options).

PC0 can be used as USB mouse IRPT control pin for mouse hardware

wake-up function

RES

I

¾

Schmitt trigger reset input. Active low

VDD

¾¾

Positive power supply

V33O

O

¾

3.3V regulator output

USBD+/CLK

I/O

¾

USBD+ or PS2 CLK I/O line

USB OR PS2 function is controlled by software control register

USBD-/DATA

I/O

¾

USBD- or PS2 DATA I/O line

USB or PS2 function is controlled by software control register

OSC1

OSC2

I

O

¾

OSC1, OSC2 are connected to an 6MHz or 12MHz Crystal/resonator

(determined by software instructions) for the internal system clock.

Absolute Maximum Ratings

Storage Temperature ............................

-50°Cto125°C

Operating Temperature...............................0

°Cto70°C

Note: These are stress ratings only. Stresses exceeding the range specified under

²Absolute Maximum Ratings² may

cause substantial damage to the device. Functional operation of this device at other conditions beyond those

listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-

ity.

D.C. Characteristics

Ta=25

°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Conditions

Operating Voltage

¾

4.4

¾

5.5

V

4.4

¾

5.5

V

Operating Current (6MHz Crystal)

5V

¾

6.5

12

mA

Operating Current (12MHz Crystal)

5V

¾

7.5

16

mA

Standby Current (WDT Enabled)

5V

No load, system HALT,

USB suspend

¾¾

250

mA

Standby Current (WDT Disabled)

5V

No load, system HALT,

USB suspend

¾¾

230

mA

Input Low Voltage for I/O Ports

5V

¾

0

¾

0.8

V

Input High Voltage for I/O Ports

5V

¾

2

¾

5V

Input Low Voltage (RES)5V

¾

0

V

Input High Voltage (RES)5V

¾

¾

V

I/O Port Sink Current for PB, PC1~PC7, PD

5V

12

17

¾

mA

I/O Port Sink Current for PB, PC1~PC7, PD

5V

24

¾

mA

I/O Port Sink Current for PA

5V

510

¾

mA

HT82K96E

Rev. 2.00

4

October 11, 2007