M306V5ME-XXXSP Datasheet, PDF (61/263 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

MITSUBISHI MICROCOMPUTERS
M306V5ME-XXXSP
M306V5EESP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
DMA0 request cause select register
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
DM0SL
Address
03B816
When reset
0016
Bit symbol
Bit name
Function
RW
DSEL0
DSEL1
DMA request cause
select bit
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)
DSEL2
/OSD2 (DMS=1)
1 0 0 1 : Timer B2 (DMS = 0)
DSEL3
/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
Nothing is assigned.
In an attempt to write to these bits, write “0.”
The value, if read, turns out to be “0.”
DMS
DMA request cause
expansion bit
0 : Normal
1 : Expanded cause
DSR
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”)
Figure 2.9.2 DMA0 request cause select register
Rev. 1.0
60