HT82K95A datasheet(3/42 Pages) HOLTEK

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Pin Assignment

Pin Description

Pin Name

I/O

ROM Code

Option

Description

PA0~PA5

PA6/TMR0

PA7/TMR1

I/O

Pull-high

Wake-up

CMOS/NMOS/PMOS

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

wake-up input by ROM code option. The input or output mode is con-

trolled by PAC (PA control register).

Pull-high resistor options: PA0~PA7

CMOS/NMOS/PMOS options: PA0~PA7

Wake up options: PA0~PA7

PA6 and PA7 are pin-shared with TMR0 and TMR1 input, respectively.

PB0~PB7

I/O

Pull-high

Wake-up

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

CMOS output or Schmitt trigger input with pull-high resistor (determined

by pull-high options).

Wake-up options: PB0~PB7

PD0~PD7

I/O

Pull-high

Wake-up

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

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

pull-high options).

Wake-up options: PD0~PD7

VSS

¾¾

Negative power supply, ground

HT82K95E/HT82K95A

Rev. 2.40

November 5, 2014

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 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

H T 8 2 K 9 5 E / H T 8 2 K 9 5 A

4 8 S S O P - A

P C 6

P C 7

P A 4

P A 5

P A 6 / T M R 0

P A 7 / T M R 1

N C

P D 3

P D 2

P D 1

P D 0

O S C 1

O S C 2

R E S

V S S

P B 7

P B 6

P B 5

P B 4

P B 3

P B 2

P C 5

P C 4

P A 3

P A 2

P A 1

P A 0

P C 0

P C 1

P C 2

P C 3

N C

P D 4

P D 5

P D 6

P D 7

V D D

V 3 3 O

U S B D + / C L K

U S B D - / D A T A

P B 0

P B 1

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 0

1 1

1 2

1 3

1 4

H T 8 2 K 9 5 E / H T 8 2 K 9 5 A

2 8 S O P - A

P C 3

V D D

V 3 3 O

U S B D + / C L K

U S B D - / D A T A

P B 0

P B 1

P B 2

P B 3

P B 4

P B 5

P B 6

P B 7

V S S

P C 2

P C 0

P A 0

P A 1

P A 2

P A 3

P C 4

P A 4

P A 5

P A 6 / T M R 0

P A 7 / T M R 1

O S C 1

O S C 2

R E S

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

2 5

2 6

2 7

2 8

2 9

3 0

3 1

3 2

H T 8 2 K 9 5 E / H T 8 2 K 9 5 A

3 2 Q F N - A

P C 0

P C 1

P D 4

P D 5

P D 6

P D 7

V D D

V 3 3 O

P D 3

P D 2

P D 1

P D 0

O S C I

O S C O

R E S

V S S

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

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

1 0

1 1

1 2

3 6

3 5

3 4

3 3

3 2

3 1

3 0

2 9

2 8

2 7

2 6

2 5

H T 8 2 K 9 5 E

H T 8 2 K 9 5 A

4 8 L Q F P - A

N C

P A 7

P D 3

P D 2

P D 1

P D 0

O S C 1

O S C 2

R E S

V S S

N C

P A 0

P C 0

P C 1

P C 2

P C 3

P D 4

P D 5

P D 6

P D 7

V D D

N C

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