HT66F24D View Datasheet(PDF) - Holtek Semiconductor

Part Name

Description

MFG CO.

HT66F24D

A/D Flash Type 8-bit MCU with EEPROM

Holtek Semiconductor 

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A/D Flash Type 8-bit MCU with EEPROM

HT66F24D/HT66F25D

PBC Register

• HT66F24D

Bit

7

Name

—

R/W

—

POR

—

6

5

4

3

2

—

PBC5 PBC4 PBC3 PBC2

—

R/W

R/W

R/W

R/W

—

1

1

1

1

• HT66F25D

Bit

7

Name PBC7

R/W

R/W

POR

1

6

PBC6

R/W

1

5

PBC5

R/W

1

4

PBC4

R/W

1

“—”: Unimplemented, read as 0

PBCn:

I/O Port B bit n Input/Output Control

0: Output

1: Input

3

PBC3

R/W

1

2

PBC2

R/W

1

PCC Register

• HT66F24D/HT66F25D

Bit

7

6

Name PCC7 PCC6

R/W

R/W

R/W

POR

1

1

5

PCC5

R/W

1

4

PCC4

R/W

1

PCCn:

“—”: Unimplemented, read as 0

I/O Port C bit n Input/Output Control

0: Output

1: Input

3

PCC3

R/W

1

2

PCC2

R/W

1

PDC Register - HT66F25D only

Bit

7

6

5

4

3

2

Name

—

—

—

—

—

—

R/W

—

—

—

—

—

—

POR

—

—

—

—

—

—

Bit 7~2

Bit 1~0

“—” Unimplemented, read as 0

PDC1~PDC0: I/O Port D bit 1 ~ bit 0 Input/Output Control

0: Output

1: Input

1

PBC1

R/W

1

1

PBC1

R/W

1

1

PCC1

R/W

1

1

PDC1

R/W

1

0

PBC0

R/W

1

0

PBC0

R/W

1

0

PCC0

R/W

1

0

PDC0

R/W

1

Rev. 1.10

63

March 25, 2013

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