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M306V5ME-XXXSP Datasheet(PDF) 61 Page - Mitsubishi Electric Semiconductor

Part No. M306V5ME-XXXSP
Description  SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
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Maker  MITSUBISHI [Mitsubishi Electric Semiconductor]
Homepage  http://www.mitsubishichips.com
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M306V5ME-XXXSP Datasheet(HTML) 61 Page - Mitsubishi Electric Semiconductor

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M306V5ME-XXXSP
M306V5EESP
MITSUBISHI MICROCOMPUTERS
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
61
Rev. 1.0
Figure 2.9.3 DMA1 request cause select register
Figure 2.9.4 DMAi control register (i = 0, 1)
DMAi control register
Symbol
Address
When reset
DMiCON(i=0,1)
002C16, 003C16
00000?002
Bit nameFunction
Bit symbol
Transfer unit bit select bit
b7b6b5b4b3b2b1b0
0 : 16 bits
1 : 8 bits
DMBIT
R
W
DMASL
DMAS
DMAE
Repeat transfer mode
select bit
0 : Single transfer
1 : Repeat transfer
DMA request bit (Note 1)
0 : DMA not requested
1 : DMA requested
0 : Disabled
1 : Enabled
0 : Fixed
1 : Forward
DMA enable bit
Source address direction
select bit (Note 3)
Destination address
direction select bit (Note 3)
0 : Fixed
1 : Forward
DSD
DAD
Nothing is assigned.
In an attempt to write to these bits, write “0”. The value, if read, turns out to be “0.”
Notes 1:DMA request can be cleared by resetting the bit.
2:This bit can only be set to “0.”
3:Source address direction select bit and destination address direction select bit
cannot be set to “1” simultaneously.
(Note 2)
DMA1 request cause select register
Symbol
Address
When reset
DM1SL
03BA16
0016
Function
Bit symbol
b7
b6
b5
b4
b3
b2
b1
b0
DMA request cause
select bit
DSEL0
RW
DSEL1
DSEL2
DSEL3
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 1 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 (DMS = 0)
/OSD1 (DMS = 1)
0 1 1 0 : Timer A4 (DMS = 0)
/OSD2 (DMS = 1)
0 1 1 1 : Timer B0
/Multi-master I2C-BUS interface 1
(DMS = 1)
1 0 0 0 : Timer B1
1 0 0 1 : Timer B2
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 : VSYNC
Bit name
0 : Normal
1 : Expanded cause
DMA request
cause expansion bit
DMS
Nothing is assigned.
In an attempt to write to these bits, write “0.”
The value, if read, turns out to be “0.”


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