MTV212A24 datasheet(7/27 Pages) ETC2

部件名	MTV212A24

功能描述	8051 Embedded Monitor Controller MTP Type

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制造商	ETC2 [List of Unclassifed Manufacturers]

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MYSON

TECHNOLOGY

MTV212M64

(Rev. 1.2)

Revision 1.2

- 7 -

2000/07/04

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.

HIICE

= 1

→ pin “HSCL/P3.0/Rxd”is HSCL;

pin “HSDA/P3.1/Txd” is HSDA.

= 0

→ pin “HSCL/P3.0/Rxd”is P3.0/Rxd;

pin “HSDA/P3.1/Txd” is P3.1/Txd.

IIICE

= 1

→ pin “ISDA/P3.4/T0”is ISDA;

pin “ISCL/P3.5/T1” is ISCL.

= 0

→ pin “ISDA/P3.4/T0”is P3.4/T0;

pin “ISCL/P3.5/T1” is P3.5/T1.

HLFVE = 1

→ pin “DA9/HALFV”is VSYNC half frequency output.

= 0

→ pin “DA9/HALFV”is DA9.

HLFHE = 1

→ pin “DA8/HALFH”is HSYNC half frequency output.

= 0

→ pin “DA8/HALFH”is DA8.

HCLPE = 1

→ pin “DA7/HCLAMP”is HSYNC clamp pulse output.

= 0

→ pin “DA7/HCLAMP”is DA7.

P42E

= 1

→ pin “STOUT/P4.2”is P4.2.

= 0

→ pin “STOUT/P4.2”is STOUT.

P41E

= 1

→ pin “HBLANK/P4.1”is P4.1.

= 0

→ pin “HBLANK/P4.1”is HBLANK.

P40E

= 1

→ pin “VBLANK/P4.0”is P4.0.

= 0

→ pin “VBLANK/P4.0”is VBLANK.

OPTION (w) :

Chip option configuration (All are "0" in Chip Reset).

PWMF = 1

→ select 94KHz PWM frequency.

= 0

→ select 47KHz PWM frequency.

DIV253 = 1

→ PWM pulse width is 253 step resolution.

= 0

→ PWM pulse width is 256 step resolution.

FclkE

= 1

→ Double CPU clock freq.

IICpass = 1

→ HSCL/HSDA pin bypass to ISCL/ISDA pin in DDC2 mode.

= 0

→ Separate Master and Slave IIC block.

ENSCL = 1

→ Enable slave IIC block to hold HSCL pin low while MTV212M can't catch-up the

external master's speed.

Msel

= 1

→ Master IIC block connect to HSCL/HSDA pins.

= 0

→ Master IIC block connect to ISCL/ISDA pins.

MIICF1,MIICF0 = 1,1

→ select 400KHz Master IIC frequency.

= 1,0

→ select 200KHz Master IIC frequency.

= 0,1

→ select 50KHz Master IIC frequency.

= 0,0

→ select 100KHz Master IIC frequency.

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.

XBANK (r/w) : Auxiliary RAM bank switch.

Xbnk[2:0]

= 0

→ Select AUXRAM bank 0.

= 1

→ Select AUXRAM bank 1.

= 2

→ Select AUXRAM bank 2.

= 3

→ Select AUXRAM bank 3.

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