M306V5EESP Mitsubishi, M306V5EESP Datasheet - Page 61

• Manufacturer Part Number: M306V5EESP
• Description: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
• Manufacturer: Mitsubishi

Rev. 1.0
Figure 2.9.3 DMA1 request cause select register
Figure 2.9.4 DMAi control register (i = 0, 1)
b 7
D M A i c o n t r o l r e g i s t e r
DMA1 request cause select register
b 6
b7
b6
b 5
b5
b 4
b4
b 3
b3
b 2
b2
b 1
b1
b 0
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
b0
N o t e s 1 : D M A r e q u e s t c a n b e c l e a r e d b y r e s e t t i n g t h e b i t .
N o t h i n g i s a s s i g n e d .
I n a n a t t e m p t t o w r i t e t o t h e s e b i t s , w r i t e “ 0 ” . T h e v a l u e , i f r e a d , t u r n s o u t t o b e “ 0 . ”
B i t s y m b o l
Nothing is assigned.
In an attempt to write to these bits, write “0.”
The value, if read, turns out to be “0.”
D M B I T
D M A S L
D M A S
D M A E
D S D
D A D
Bit symbol
DMS
DSEL0
DSEL1
DSEL2
DSEL3
DSR
S y m b o l
D M i C O N ( i = 0 , 1 )
2 :T h i s b i t c a n o n l y b e s e t t o “ 0 . ”
3 :S o u r c e a d d r e s s d i r e c t i o n s e l e c t b i t a n d d e s t i n a t i o n a d d r e s s d i r e c t i o n s e l e c t b i t
Symbol
DM1SL
c a n n o t b e s e t t o “ 1 ” s i m u l t a n e o u s l y .
T r a n s f e r u n i t b i t s e l e c t b i t
R e p e a t t r a n s f e r m o d e
D M A r e q u e s t b i t ( N o t e 1 )
D M A e n a b l e b i t
S o u r c e a d d r e s s d i r e c t i o n
s e l e c t b i t ( N o t e 3 )
D e s t i n a t i o n a d d r e s s
d i r e c t i o n s e l e c t b i t ( N o t e 3 )
DMA request
cause expansion bit
DMA request cause
Software DMA
request bit
Bit name
B i t n a m e
select bit
0 0 2 C
s e l e c t b i t
A d d r e s s
Address
03BA
1 6
, 0 0 3 C
16
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”)
b3 b2 b1 b0
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 (DMS = 0)
0 1 1 0 : Timer A4 (DMS = 0)
0 1 1 1 : Timer B0
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 : V
0 : Normal
1 : Expanded cause
1 6
0 : 1 6 b i t s
1 : 8 b i t s
0 : S i n g l e t r a n s f e r
1 : R e p e a t t r a n s f e r
0 : D M A n o t r e q u e s t e d
1 : D M A r e q u e s t e d
0 : D i s a b l e d
1 : E n a b l e d
0 : F i x e d
1 : F o r w a r d
0 : F i x e d
1 : F o r w a r d
/OSD1 (DMS = 1)
/OSD2 (DMS = 1)
/Multi-master I
(DMS = 1)
SYNC
When reset
W h e n r e s e t
0 0 0 0 0 ? 0 0
and ON-SCREEN DISPLAY CONTROLLER
00
Function
16
F u n c t i o n
MITSUBISHI MICROCOMPUTERS
2
2
C-BUS interface 1
M306V5ME-XXXSP
1
pin
M306V5EESP
R
R
W
( N o t e 2 )
W
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