M306V2 Mitsubishi, M306V2 Datasheet - Page 71

• Manufacturer Part Number: M306V2
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
• Manufacturer: Mitsubishi

Rev. 1.0
Figure 2.9.2 DMA0 request cause select register
DMA0 request cause select register
b7
b6
b5
b4
b3
b2
b1
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
b0
Nothing is assigned.
In an attempt to write to these bits, write “0.”
The value, if read, turns out to be “0.”
Bit symbol
DSEL0
DSEL1
DSEL2
DSEL3
DSR
DMS
Symbol
DM0SL
DMA request cause
expansion bit
DMA request cause
Software DMA
request bit
Bit name
select bit
Address
03B8
16
b3 b2 b1 b0
0 : Normal
1 : Expanded cause
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”)
0 0 0 0 : Falling edge of INT
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)
0 1 1 1 : Timer B0 (DMS = 0)
1 0 0 0 : Timer B1 (DMS = 0)
1 0 0 1 : Timer B2 (DMS = 0)
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
/two edges of INT
/OSD1 (DMS=1)
/OSD2 (DMS=1)
/Multi-master I
(DMS=1)
When reset
and ON-SCREEN DISPLAY CONTROLLER
00
Function
16
MITSUBISHI MICROCOMPUTERS
2
C-BUS interface 0
0
M306V2ME-XXXFP
0
pin (DMS=1)
pin
M306V2EEFP
R
W
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