EM78P915

8-bit Micro-controller

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* This specification is subject to be changed without notice.

2005/12/21 (V2.0)

PAGE 1 (PORT6 pull high control register)

7

6

5

4

3

2

1

0

X

PH66

PH63

PH62

PH61

PH60

X

X

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

Bi

, Bit 6 (PH60~PH63, PH66): P

~63,

pul

ntrol

t 0~Bit 3

ORT60

PORT66

l high co

register

0

disable pull high function.

1

enable pull high function

Bit 4~5, 7(Unused)

IOCC (PORTC I/O control, DA0~DA2, DA2SW, VOL0~3)

PAGE 0 (PORT9 I/O control register)

7

6

5

4

3

2

1

0

IOCC7

IOCC6

IOCC5

IOCC4

IOCC3

IOCC2

IOCC1

IOCC0

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(IOCC0~IOCC7): PORTC (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

PAGE 1 (DA0~DA2)

7

6

5

4

3

2

1

0

VOL3

VOL2

VOL1

DA2

1

DA0

VOL0

SW

DA2

DA

R/W-0

R/W-0

R/W-0

R/W

0

R/W-0

R/W-0

-0

R/W-0

R/W-

Bit0~Bit2 (DA0~DA2): Current DA bit0~

Bit 3 (DA2SW): This bit “1”/”0” control DAOUPUT 2 o

T 2 than DAOUTPUT 1 will be

disable, DAOUPUT 2 is turn off than DAOUTPUT will be e

AOUPUT 1).

Bit 4~7 (VOL0~VOL3): There are four bi

ontrol DAo

VOL

L0

M

)

bit2

n/off. If turn on DAOUTPU

nable (assume port66 as D

ts to c

ut2 output volume level.

3 ~ VO

ax voice output current (mA

0000

5 1/16 mA = 0.3125 mA

0001

5 x 2/16 mA = 0.625 mA

0010

5 x 3/16 mA = 0.9375 mA

0011

5 x 4/16 mA = 1.25 mA

0100

5 x 5/16 mA = 1.5625 mA

0101

5 x 6/16 mA = 1.875 mA

0110

5 x 7/16 m

1875 mA

A = 2.

0111

5 x 8/16 mA = 2.5 mA

1000

5 x 9/16 mA = 2.8125 mA

1001

5 x 10/16 mA = 3.125 mA

1010

5 x 11/16 mA = 3.4375 mA

1011

5 x 12/16 mA = 3.75 mA

1100

5 x 13/16 mA = 4.0625 mA

1101

5 x 14/16 mA = 4.375 mA

1110

5 x 15/16 mA = 4.6875 mA

1111

5 mA

Table 21, DAout2 output volume level