HT95R35 datasheet(4/73 Pages) HOLTEK

4 / 73 page

Pad Name

I/O

Options

Description

VREF

Reference voltage output, normally VDD/2

X1 and X2 are connected to an external 32768Hz crystal or resonator for

the system clock.

¾¾

External low pass filter pin used for the frequency up conversion circuit.

RES

Schmitt trigger reset input. Active low.

VDD

¾¾

Positive power supply

VSS

¾¾

Negative power supply, ground.

VDD2

¾¾

DTMF receiver positive power supply

VSS2

¾¾

DTMF receiver negative power supply

Note:

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

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.

D.C. Characteristics

Ta=25

°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Conditions

General

VDD

Operating Voltage

¾¾

2.2

5.5

CPU

IIDL1

Idle Mode Current 1

32768Hz and 3.58MHz

oscillator off, system HALT,

WDT off, no load

¾¾

1.5

¾¾

IIDL2

Idle Mode Current 2

32768Hz and 3.58MHz

oscillator off, system HALT,

WDT on, no load

¾¾

ISLP

Sleep Mode Current

32768Hz on, 3.58MHz

oscillator off, system HALT,

no load

¾¾

IGRN

Green Mode Current

32768Hz on, 3.58MHz oscilla-

tor off, system on, no load

¾¾

INOR1

Normal Mode Current 1

32768Hz on, 3.58MHz

oscillator on, system on,

DTMF generator off,

receiver off, no load

¾¾

INOR2

Normal Mode Current 2

32768Hz on, 3.58MHz

oscillator off, system on,

DTMF generator off,

receiver on, no load

¾¾

HT95R35

Rev. 1.00

October 7, 2009

HT95R35 bảng dữ liệu(PDF) 4 Page - Holtek Semiconductor Inc

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