M35046-XXXSP Datasheet, PDF (14/35 Pages) Renesas Technology Corp – SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS

MITSUBISHI MICROCOMPUTERS
M35046-XXXSP/FP
SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS
(9) Address 12816
DA Register
Status
Contents
Function
0 Blanking of BLK0, BLK1
0
BCOL
1 All raster blanking
0 Synchronize with the leading edge of horizontal synchronization.
__
1
B/F
1 Synchronize with the trailing edge of horizontal synchronization.
0 Do not mask by VERT input signal
2
VMASK
1 Mask by VERT input signal
0 VERT pin is negative polarity
3
POLV
1 VERT pin is positive polarity
0 HOR pin is negative polarity
4
POLH
1 HOR pin is positive polarity
0
BLK
5
BLK0
1
0
Blanking mode
1
0
0
Matrix-outline size
0
1
Character size
0
6
BLK1
1
0
Border size
1
1
Matrix-outline size
1
0 Border display of character
7
SYAD
1 Shadow display of character
0 RAM not erased
8
RAMERS
1 RAM erased
0 Oscillation of clock for display
9
STOP
1 Stop the oscillation of clock for display
0 Display OFF
A
DSPON
1 Display ON
0
B
BLINK0
1
0
C
BLINK1
1
BLINK
1
0
0
0
0
1
1
0
1
1
Duty
Blinking OFF
25%
50%
75%
0 Divided into 64 of vertical synchronous signal
D
BLINK2
1 Divided into 32 of vertical synchronous signal
0 It should be fixed to “0”.
E
TEST13
1 Test mode
Notes 1: Refer to DISPLAY FORM 1 2: Refer to DISPLAY FORM 3
Remarks
Sets all raster blanking
Synchronize with the front porch or
back porch of the horizontal
synchronazation signal.
This register has or do not have mask
at phase comparison operating.
Set VERT pin polarity.
Set HOR pin polarity.
Set blanking mode. (Note 1)
An example of blanking mode at
BCOL = “0”, DSPn = “0” (n = 0 to 11)
shown left.
(Note 2)
There is no need to reset because
there is no register for this bit.
R, G, B and BLNK0 output can be
altered.
Display can be altered.
Blinking duty ratio can be altered.
Blinking frequency can be altered.
13