HT48F06E datasheet(4/69 Pages) HOLTEK

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HT48F30E

Pin Name

I/O

Configuration

Option

Description

PA0~PA7

I/O

Pull-high

Wake-up

Schmitt Trigger

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

input by configuration option. Software instructions determine if the pin is a

CMOS output or input. Configuration options determine if all pins on this port

have pull-high resistors and if the inputs are Schmitt Trigger or non-Schmitt

Trigger.

PB0/BZ

PB1/BZ

PB2~PB7

I/O

Pull-high

I/O or BZ/BZ

Bidirectional 8-bit input/output port. Software instructions determine if the pin

is a CMOS output or Schmitt Trigger input. A configuration option determines

if all pins on this port have pull-high resistors. Pins PB0 and PB1 are

pin-shared with BZ and BZ, respectively.

PC0/TMR

PC1~PC5

I/O

Pull-high

Bidirectional 6-bit input/output port. Software instructions determine if the pin

is a CMOS output or Schmitt Trigger input. A configuration option determines

if all pins on this port have pull-high resistors. PC0 is pin-shared with external

timer pin TMR.

PG0/INT

I/O

Pull-high

Bidirectional 1-bit input/output port. Software instructions determine if the pin

is a CMOS output or Schmitt Trigger input. A configuration option determines

if the pin has a pull-high resistor. PG0 is pin-shared with external interrupt pin

INT.

OSC1

OSC2

Crystal or RC

OSC1, OSC2 are connected to an external RC network or external crystal,

determined by configuration option, for the internal system clock. If the RC

system clock option is selected, pin OSC2 can be used to measure the sys-

tem clock at 1/4 frequency.

RES

Schmitt Trigger reset input. Active low.

VDD

¾¾

Positive power supply

VSS

¾¾

Negative power supply, ground

Note:

1. Each pin on PA can be programmed through a configuration option to have a wake-up function.

2. Individual pins cannot be selected to have pull-high resistors. If the pull-high configuration is chosen for

a particular port, then all input pins on this port will be connected to pull-high resistors.

3. Pins PC1 and PC3~PC5 only exist on the 28-pin package. On the 24-pin package, these pins are not

available.

Absolute Maximum Ratings

Supply Voltage ...........................VSS

-0.3V to VSS+6.0V

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

-50°Cto125°C

Input Voltage..............................VSS

-0.3V to VDD+0.3V

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

-40°Cto85°C

IOL Total ..............................................................150mA

IOH Total............................................................

-100mA

Total Power Dissipation .....................................500mW

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 reliability.

HT48F06E/HT48F10E/HT48F30E

Rev. 1.00

September 10, 2007

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