EM78P568

8-bit OTP Micro-controller

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* This specification are subject to be changed without notice.

30

01/31/2004

V4.7

Bit 6(P66S) : Select modulation transmitting output pin of CTCSS or I/O PORT66 pin

0

P66 (I/O PORT66) pin is selected

1

MTX (Modulation transmitting output of CTCSS) pin is selected

Bit 7(AMUTE) : Audio mute for MIC AMP of CTCSS block

0

Voice transmitting path from MIC AMP output

1

Audio mute from MIC AMP output

Refer to Fig.19 CTCSS block for details.

IOC7 (PORT7 I/O control, PORT7 pull high control)

PAGE0 (PORT7 I/O control register)

7

6

5

4

3

2

1

0

IOC77

IOC76

IOC75

IOC74

IOC73

IOC72

IOC71

IOC70

R/W-1

R/W-1

R/W-1

R/W-1

R/W-1

R/W-1

R/W-1

R/W-1

Bit 0 ~ Bit 7 (IOC70 ~ IOC77) : PORT7(0~7) I/O direction control register

0

put the relative I/O pin as output

1

put the relative I/O pin into high impedance

PAGE1 (PORT7 pull high control register)

7

6

5

4

3

2

1

0

PH77

PH76

PH75

PH74

PH73

PH72

PH71

PH70

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

Bit 0 ~ Bit 7 (PH70 ~ PH77) : PORT7 bit0~bit7 pull high control register

0

disable pull high function.

1

enable pull high function

IOC8 (PORT8 I/O control, PORT8 pull high control)

PAGE0 (PORT8 I/O control register)

7

6

5

4

3

2

1

0

IOC87

IOC86

IOC85

IOC84

IOC83

IOC82

IOC81

IOC80

R/W-1

R/W-1

R/W-1

R/W-1

R/W-1

R/W-1

R/W-1

R/W-1

Bit 0 ~ Bit 7 (IOC80 ~ IOC87) : PORT8(0~7) I/O direction control register

0

put the relative I/O pin as output

1

put the relative I/O pin into high impedance

PAGE1 (PORT8 pull high control register)

7

6

5

4

3

2

1

0

PH87

PH86

PH85

PH84

PH83

PH82

PH81

PH80

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

Bit 0 ~ Bit 7 (PH80 ~ PH87) : PORT8 bit0~bit7 pull high control register

0

disable pull high function.

1

enable pull high function

IOC9 (PORT9 I/O control, PORT9 switches)

PAGE0 (PORT9 I/O control register)

7

6

5

4

3

2

1

0

IOC97

IOC96

IOC95

IOC94

IOC93

IOC92

IOC91

IOC90

R/W-1

R/W-1

R/W-1

R/W-1

R/W-1

R/W-1

R/W-1

R/W-1