MYSON-CENTURY

TECHNOLOGY

MTV412M

(Rev 0.9)

Revision 0.9

- 6 -

April 2002

3. Chip Configuration

The Chip Configuration registers define configuration of the chip and function of the pins.

Reg name

addr

bit7

bit6

bit5

Bit4

bit3

bit2

bit1

bit0

PADMOD

F50h(w)

DA13E

DA12E

DA11E

DA10E

AD3E

AD2E

AD1E

AD0E

PADMOD

F51h(w)

P56E

P55E

P54E

P53E

P52E

P51E

P50E

PADMOD

F52h(w)

HIIC1E

IIICE

HIIC2E

CKOE

HCLPE

P42E

P41E

P40E

PADMOD

F53h(w)

P56oe

P55oe

P54oe

P53oe

P52oe

P51oe

P50oe

PADMOD

F54h(w)

P67oe

P66oe

P65oe

P64oe

P63oe

P62oe

P61oe

P60oe

PADMOD

F55h(w)

COP17

COP16

COP15

COP14

COP13

COP12

COP11

COP10

OPTION

F56h(w)

PWMF

DIV253

FclkE

ENSCL

Msel

MIICF1

MIICF0

PADMOD

F5Eh(w)

P74E

P73E

P72E

P71E

P70E

PADMOD

F5Fh(w)

P77oe

P76oe

P75oe

P74oe

P73oe

P72oe

P71oe

P70oe

PADMOD (w) : Pad mode control registers. (All are "0" in Chip Reset, except for HIIC1E bit)

DA13E = 1

→ Pin “P6.7/DA13” is DA13.

= 0

→ Pin “P6.7/DA13” is P6.7.

DA12E = 1

→ Pin “P6.6/DA12” is DA12.

= 0

→ Pin “P6.6/DA12” is P6.6.

DA11E = 1

→ Pin “P6.5/DA11” is DA11.

= 0

→ Pin “P6.5/DA11” is P6.5.

DA10E = 1

→ Pin “P6.4/DA10” is DA10.

= 0

→ Pin “P6.4/DA10” is P6.4.

AD3E

= 1

→ Pin “P6.3/AD3” is AD3.

= 0

→ Pin “P6.3/AD3” is P6.3.

AD2E

= 1

→ Pin “P6.2/AD2” is AD2.

= 0

→ Pin “P6.2/AD2” is P6.2.

AD1E

= 1

→ Pin “P6.1/AD1” is AD1.

= 0

→ Pin “P6.1/AD1” is P6.1.

AD0E

= 1

→ Pin “P6.0/AD0” is AD0.

= 0

→ Pin “P6.0/AD0” is P6.0.

P56E

= 1

→ Pin “DA6/P5.6/CKO” is P5.6.

= 0

→ Pin “DA6/P5.6/CKO” is DA6/CKO selected by CKOE bit.

P55E

= 1

→ Pin “DA5/P5.5” is P5.5.

= 0

→ Pin “DA5/P5.5” is DA5.

P54E

= 1

→ Pin “DA4/P5.4” is P5.4.

= 0

→ Pin “DA4/P5.4” is DA4.

P53E

= 1

→ Pin “DA3/P5.3” is P5.3.

= 0

→ Pin “DA3/P5.3” is DA3.

P52E

= 1

→ Pin “DA2/P5.2” is P5.2.

= 0

→ Pin “DA2/P5.2” is DA2.

P51E

= 1

→ Pin “DA1/P5.1” is P5.1.

= 0

→ Pin “DA1/P5.1” is DA1.

P50E

= 1

→ Pin “DA0/P5.0” is P5.0.

= 0

→ Pin “DA0/P5.0” is DA0.

HIIC1E = 1

→ Pin “HSCL1/P3.0/Rxd” is HSCL1;

pin “HSDA1/P3.1/Txd” is HSDA1.

= 0

→ Pin “HSCL1/P3.0/Rxd” is P3.0/Rxd; pin “HSDA1/P3.1/Txd” is P3.1/Txd.

IIICE

= 1

→ Pin “ISDA/P3.4/T0” is ISDA;

pin “ISCL/P7.7” is ISCL.

= 0

→ Pin “ISDA/P3.4/T0” is P3.4/T0;

pin “ISCL/P7.7” is P7.7.

HIIC2E = 1

→ Pin “HSCL2/P7.5” is HSCL2.

Pin “HSDA2/P7.6” is HSDA6.

= 0

→ Pin “HSCL2/P7.5” is P7.5.

Pin “HSDA2/P7.6” is P7.6.