HT95A200 datasheet(3/48 Pages) HOLTEK

Part #	HT95A200

Description	I/O Type Phone 8-Bit MCU

Download	48 Pages

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Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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3 / 48 page

Pin Assignment

Note:

The following pads for the HT95A100/10P are not bonded to the package.

PD2, PD3, HKS,PO, HFI, HFO

Pin Description

Pin Name

I/O

Description

CPU

VDD

¾

Positive power supply

VSS

¾

Negative power supply, ground

X1

I

A 32768Hz crystal (or resonator) should be connected to this pin and X2.

X2

O

A 32768Hz crystal (or resonator) should be connected to this pin and X1.

XC

I

External low pass filter used for frequency up conversion circuit.

RES

I

Schmitt trigger reset input, active low.

INT

I

Supported for HT95A400/40P, HT95A300/30P, HT95A200/20P

Schmitt trigger input for external interrupt.

No internal pull-high resistor.

Edge trigger activated on a falling edge.

TMR0

I

Supported for HT95A400/40P, HT95A300/30P, HT95A200/20P

Schmitt trigger input for Timer/Event Counter 0.

No internal pull-high resistor.

Activated on falling or rising transition edge, selected by software.

Activated on a falling or rising transition edge, selected by software.

INT/TMR0

I

Supported for HT95A100/10P

Schmitt trigger input for external interrupt or Timer/Event Counter 0.

No internal pull-high resistor.

For INT: Edge trigger activated on a falling edge.

For TMR0: Activated on a falling or rising transition edge, selected by software.

HT95AXXX

Rev. 1.20

3

May 26, 2004

4 8

4 7

4 6

4 5

4 4

4 3

4 2

4 1

4 0

3 9

3 8

3 7

3 6

3 5

3 4

3 3

3 2

3 1

3 0

2 9

2 8

2 7

2 6

2 5

1

2

3

4

5

6

7

8

9

1 0

1 1

1 2

1 3

1 4

1 5

1 6

1 7

1 8

1 9

2 0

2 1

2 2

2 3

2 4

P A 3

P A 2

P A 1

P A 0

P B 7

P B 6

P B 5

P B 4

V S S

P B 3

P B 2

P B 1

P B 0

P D 7

P D 6

P D 5

P D 4

P D 3

P D 2

P D 1

P D 0

I N T

T M R 0

T M R 1

P A 4

P A 5

P A 6

P A 7

X 2

X 1

X C

N C

V D D

R E S

D T M F

H F I

H F O

H D I

H D O

X M U T E

D N P O

P O

H K S

P E 3

P E 2

P E 1

P E 0

M U S I C

H T 9 5 A 3 0 0 / 3 0 P / 2 0 0 / 2 0 P

4 8 S S O P - A

2 8

2 7

2 6

2 5

2 4

2 3

2 2

2 1

2 0

1 9

1 8

1 7

1 6

1 5

1

2

3

4

5

6

7

8

9

1 0

1 1

1 2

1 3

1 4

H T 9 5 A 1 0 0 / 1 0 P

2 8 S O P - A

P A 3

P A 2

P A 1

P A 0

P B 7

P B 6

P B 5

P B 4

P B 3

P B 2

P B 1

P B 0

V S S

D N P O

P A 4

P A 5

P A 6

P A 7

D T M F

P D 0

P D 1

X 2

X 1

X C

V D D

R E S

I N T / T M R 0

X M U T E

1

2

3

4

5

6

7

8

9

1 0

1 1

1 2

1 3

1 4

1 5

1 6

1 7

1 8

1 9

2 6 2 7 2 8 2 9 3 0 3 1 3 2

6 4 6 3 6 2 6 1 6 0 5 9 5 8 5 7 5 6 5 5 5 4 5 3 5 2

2 0 2 1 2 2 2 3 2 4 2 5

5 1

5 0

4 9

4 8

4 7

4 6

4 5

4 4

4 3

4 2

4 1

4 0

3 9

3 8

3 7

3 6

3 5

3 4

3 3

H T 9 5 A 4 0 0 / 4 0 P

6 4 Q F P - A

P G 0

P A 7

P A 6

P A 5

P A 4

P A 3

P A 2

P A 1

P A 0

P B 7

P B 6

P B 5

P B 4

P B 3

P B 2

P B 1

P B 0

X M U T E

D N P O

P E 1

P E 2

P E 3

P E 4

P E 5

P E 6

P E 7

P D 0

P D 1

P D 2

P D 3

P D 4

P D 5

P D 6

P D 7

M U S I C

R E S

T M R 0

D T M F

*

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