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EM78159NKM

8-Bit Microcontroller with OTP ROM

ELAN Microelectronics 

EM78P159N

8-Bit Microcontroller with OTP ROM

4.2.6 IOCC (Open-Drain Control Register)

Bit 7

OD7

Bit 6

OD6

Bit 5

OD5

Bit 4

OD4

Bit 3

OD3

Bit 2

OD2

Bit 1

OD1

Bit 0

OD0

Bit 0 (OD0): Control bit is used to enable the open-drain of P60 pin.

0 = Disable open-drain output

1 = Enable open-drain output

Bit 1 (OD1): Control bit is used to enable the open-drain of P61 pin.

Bit 2 (OD2): Control bit is used to enable the open-drain of P62 pin.

Bit 3 (OD3): Control bit is used to enable the open-drain of P63 pin.

Bit 4 (OD4): Control bit is used to enable the open-drain of P64 pin.

Bit 5 (OD5): Control bit is used to enable the open-drain of P65 pin.

Bit 6 (OD6): Control bit is used to enable the open-drain of P66 pin.

Bit 7 (OD7): Control bit is used to enable the open-drain of P67 pin.

IOCC Register is both readable and writable.

4.2.7 IOCD (Pull-High Control Register)

Bit 7

/PH7

Bit 6

/PH6

Bit 5

/PH5

Bit 4

/PH4

Bit 3

/PH3

Bit 2

/PH2

Bit 1

/PH1

Bit 0 (/PH0): Control bit is used to enable the pull-high of P60 pin.

0 = Enable internal pull-high

1 = Disable internal pull-high

Bit 1 (/PH1): Control bit is used to enable the pull-high of P61 pin.

Bit 2 (/PH2): Control bit is used to enable the pull-high of P62 pin.

Bit 3 (/PH3): Control bit is used to enable the pull-high of P63 pin.

Bit 4 (/PH4): Control bit is used to enable the pull-high of P64 pin.

Bit 5 (/PH5): Control bit is used to enable the pull-high of P65 pin.

Bit 6 (/PH6): Control bit is used to enable the pull-high of P66 pin.

Bit 7 (/PH7): Control bit is used to enable the pull-high of P67 pin.

IOCD Register is both readable and writable.

Bit 0

/PH0

Product Specification (V1.0) 03.10.2006

(This specification is subject to change without further notice)

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