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MTV230MS64 View Datasheet(PDF) - Myson Century Inc

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MTV230MS64 Datasheet PDF : 31 Pages
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MYSON
TECHNOLOGY
MTV230M
(Rev 1.0)
=0
P41oe = 1
=0
P40oe = 1
=0
P57oe = 1
=0
P56oe = 1
=0
P55oe = 1
=0
P54oe = 1
=0
P53oe = 1
=0
P52oe = 1
=0
P51oe = 1
=0
P50oe = 1
=0
P4.2 is input pin.
P4.1 is output pin.
P4.1 is input pin.
P4.0 is output pin.
P4.0 is input pin.
P5.7 is output pin.
P5.7 is input pin.
P5.6 is output pin.
P5.6 is input pin.
P5.5 is output pin.
P5.5 is input pin.
P5.4 is output pin.
P5.4 is input pin.
P5.3 is output pin.
P5.3 is input pin.
P5.2 is output pin.
P5.2 is input pin.
P5.1 is output pin.
P5.1 is input pin.
P5.0 is output pin.
P5.0 is input pin.
OPTION (w) : Chip option configuration (All are "0" in Chip Reset).
PWMF = 1 Selects 94KHz PWM frequency.
= 0 Selects 47KHz PWM frequency.
DIV253 = 1 PWM pulse width is 253 step resolution.
= 0 PWM pulse width is 256 step resolution.
SlvAbs1,SlvAbs0 : Slave IIC block A's slave address length.
= 1,0 5-bits slave address.
= 0,1 6-bits slave address.
= 0,0 7-bits slave address.
ENSCL = 1
Enables slave IIC block to hold HSCL pin low while MTV230M is not able to
catch-up the speed of external master.
Msel = 1 Master IIC block connects to HSCL/HSDA pins.
= 0 Master IIC block connecst to ISCL/ISDA pins.
MIICF1,MIICF0 = 1,1 Selects 400KHz Master IIC frequency.
= 1,0 Selects 200KHz Master IIC frequency.
= 0,1 Selects 50KHz Master IIC frequency.
= 0,0 Selects 100KHz Master IIC frequency.
4. I/O Ports
4.1 Port1
Port1 is a group of pseudo open drain pins. It can be use as general purpose I/O. The behavior Port is the
same as standard 8051.
4.2 P3.0-2, P3.4-5
If these pins are not set as IIC pins, Port3 can be used as general purpose I/O, interrupt, UART and Timer
pins. The behavior of Port3 is the same as standard 8051.
4.3 Port4, Port5 and Port6
Port4 and Port5 are used as general purpose I/O. S/W needs to set the corresponding P4(n)oe and P5(n)oe
Revision 1.0
- 7-
2000/11/15
 

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