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MYSON
TECHNOLOGY
MTV230M
(Rev 1.0)
Revision 1.0
- 6 -
2000/11/15
3. Chip Configuration
The Chip Configuration registers define the chip pins function, as well as the connection, configuration and
frequency of the functional block.
Reg name
addr
bit7
bit6
bit5
Bit4
bit3
bit2
bit1
bit0
PADMOD
F2Bh (w)
HIICE
IIICE
HVE
HclpE
FclkE
P62E
PADMOD
F2Ch (w)
DA3E
DA2E
DA1E
DA0E
AD3E
AD2E
AD1E
AD0E
PADMOD
F2Dh (w)
P47oe
P46oe
P45oe
P44oe
P43oe
P42oe
P41oe
P40oe
PADMOD
F2Eh (w)
P57oe
P56oe
P55oe
P54oe
P53oe
P52oe
P51oe
P50oe
OPTION
F2Fh (w)
PWMF
DIV253
SlvAbs1 SlvAbs0
ENSCL
Msel
MIICF1
MIICF0
PADMOD (w) : Pad mode control registers. (All are "0" in Chip Reset)
HIICE
= 1
→ pin “P3.0/Rxd/HSCL”is HSCL;
pin “P3.1/Txd/HSDA” is HSDA.
= 0
→ pin “P3.0/Rxd/HSCL”is P3.0/Rxd;
pin “P3.1/Txd/HSDA” is P3.1/Txd.
IIICE
= 1
→ pin “P6.1/ISDA”is ISDA;
pin “P6.0/ISCL” is ISCL.
= 0
→ pin “P6.1/ISDA”is P6.1;
pin “P6.0/ISCL” is P6.0.
HVE
= 1
→ pin “P4.7/VBLANK”is VBLANK;
pin “P4.6/HBLANK” is HBLANK.
= 0
→ pin “P4.7/VBLANK”is P4.7;
pin “P4.6/HBLANK” is P4.6.
HclpE
= 1
→ pin “P4.5/HCLAMP”is HCLAMP.
= 0
→ pin “P4.5/HCLAMP”is P4.5.
FclkE
= 1
→ CPU is running at double rate.
= 0
→ CPU is running at normal rate.
P62E
= 1
→ pin “INT/P6.2”is P6.2.
= 0
→ pin “INT/P6.2”is INT.
DA3E
= 1
→ pin “P5.7/DA3”is DA3.
= 0
→ pin “P5.7/DA3”is P5.7.
DA2E
= 1
→ pin “P5.6/DA2”is DA2.
= 0
→ pin “P5.6/DA2”is P5.6.
DA1E
= 1
→ pin “P5.5/DA1”is DA1.
= 0
→ pin “P5.5/DA1”is P5.5.
DA0E
= 1
→ pin “P5.4/DA0”is DA0.
= 0
→ pin “P5.4/DA0”is P5.4.
AD3E
= 1
→ pin “P5.3/AD3”is AD3.
= 0
→ pin “P5.3/AD3”is P5.3.
AD2E
= 1
→ pin “P5.2/AD2”is AD2.
= 0
→ pin “P5.2/AD2”is P5.2.
AD1E
= 1
→ pin “P5.1/AD1”is AD1.
= 0
→ pin “P5.1/AD1”is P5.1.
AD0E
= 1
→ pin “P5.0/AD0”is AD0.
= 0
→ pin “P5.0/AD0”is P5.0.
P47oe = 1
→ P4.7 is output pin.
= 0
→ P4.7 is input pin.
P46oe = 1
→ P4.6 is output pin.
= 0
→ P4.6 is input pin.
P45oe = 1
→ P4.5 is output pin.
= 0
→ P4.5 is input pin.
P44oe = 1
→ P4.4 is output pin.
= 0
→ P4.4 is input pin.
P43oe = 1
→ P4.3 is output pin.
= 0
→ P4.3 is input pin.
P42oe = 1
→ P4.2 is output pin.