HT83048/HT83072

Pad No.

X

Y

Pad No.

X

Y

1

-982.145

-998.050

9

-135.205

-998.050

2

-876.845

-998.050

10

-31.229

-998.050

3

-766.245

-998.050

11

758.645

-980.400

4

-666.245

-998.050

12

858.645

-980.400

5

-555.645

-998.050

13

958.645

-980.400

6

-455.645

-998.050

14

841.895

-835.550

7

-345.045

-998.050

15

841.895

-714.050

8

-245.045

-998.050

16

841.895

-575.450

Pad Description

Pad Name

I/O

Mask Option

Description

PA0~PA7

I/O

Wake-up,

Pull-high

or None

Bidirectional 8-bit I/O port. Each bit can be configured as a wake-up input

by mask option. Software instructions determine the CMOS output or

Schmitt trigger input with or without pull-high resistor (mask option).

VSS

¾¾

Negative power supply, ground

VDD

¾¾

Positive power supply

VSSA

¾¾

PWM negative power supply, ground

VDDA

¾¾

PWM positive power supply, ground

RES

I

¾

Schmitt trigger reset input, active low

OSC1

¾

RC

OSC1 is connected to an RC network for the internal system clock.

PWM1, PWM2

O

¾

PWM output for driving a external transistor or speaker

Absolute Maximum Ratings

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

-50°Cto125°C

Operating Temperature ..........................

-20°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

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Conditions

Operating Voltage

¾¾

2.4

¾

5.2

V

Standby Current

3V

No load, system HALT

¾

1

¾mA

Operating Current

3V

¾

1.2

1.5

mA

I/O Port Sink Current

3V

17

¾¾

mA

I/O Port Source Current

3V

-12

¾¾

mA

PWM Source Current

3V

121

¾¾

mA

PWM Source Current

3V

-81

¾¾

mA

Input Low Voltage (RES)3V

¾¾

1.5

¾

V

Input High Voltage (RES)3V

¾¾

2.2

¾

V

System Frequency

3V

W

3.7

4.0

4.5

MHz

W

7.4

8.0

8.6

HT83XXX

Rev. 0.10

5

August 25, 2003

Preliminary