M306V2EEFS datasheet(71/271 Pages) RENESAS

부품명	M306V2EEFS

상세설명	SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

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제조업체	RENESAS [Renesas Technology Corp]

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71 / 271 page

Rev.1.40

Oct 06, 2004 page 71 of 269

M306V2ME-XXXFP, M306V2EEFP

Figure 2.9.2 DMA0 request cause select register

DMA0 request cause select register

Symbol

Address

When reset

DM0SL

03B816

0016

Function

Bit symbol

DMA request cause

select bit

DSEL0

DSEL1

DSEL2

DSEL3

Nothing is assigned.

In an attempt to write to these bits, write “0.”

The value, if read, turns out to be “0.”

Software DMA

request bit

If software trigger is selected, a

DMA request is generated by

setting this bit to “1” (When read,

the value of this bit is always “0”)

DSR

b3 b2 b1 b0

0 0 0 0 : Falling edge of INT 0 pin

0 0 0 1 : Software trigger

0 0 1 0 : Timer A0

0 0 1 1 : Timer A1

0 1 0 0 : Timer A2

0 1 0 1 : Timer A3

0 1 1 0 : Timer A4 (DMS = 0)

/two edges of INT 0 pin (DMS=1)

0 1 1 1 : Timer B0 (DMS = 0)

/OSD1 (DMS=1)

1 0 0 0 : Timer B1 (DMS = 0)

/OSD2 (DMS=1)

1 0 0 1 : Timer B2 (DMS = 0)

/Multi-master I2C-BUS interface 0

(DMS=1)

1 0 1 0 : UART0 transmit

1 0 1 1 : UART0 receive

1 1 0 0 : UART2 transmit

1 1 0 1 : UART2 receive

1 1 1 0 : A-D conversion

1 1 1 1 : Data slicer

Bit name

DMS

DMA request cause

expansion bit

0 : Normal

1 : Expanded cause

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