M35074 Datasheet, PDF (10/44 Pages) Renesas Technology Corp – SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS

MITSUBISHI MICROCOMPUTERS
M35074-XXXSP
SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS
(3) Address 12216
DA Register
Status
Contents
Function
0
HP0
0
If HS is the horizontal display start location,
1
HP1
1
0
HS = T ✕ ( ¹Î£¹2ⁿHPn + m)
1
n=0
2
HP2
0
T: Period of display frequency
1
4055 settings are possible.
3
HP3 ^{0 m : offset value differ for the setting of the register EXCK0}
1 _{and EXCK1. It shown below.}
4
HP4 ⁰
1
5
HP5 ⁰
1
6
HP6 ⁰
1
EXCK1
0
0
1
1
EXCK0
0
1
0
1
m
13
13 Do not set 19
HOR
7
HP7 ⁰
1
8
HP8 ⁰
1
VS
Note 2
9
HP9 ⁰
1
HS
Note 2
Display area
Note 2
A
HP10 ⁰
Note 2
1
B
HP11 ⁰
1
Monitor display
C
VP0
0
1
If VS is the vertical display start location,
10
D
VP1
0
1
VS = H ✕ Σ 2ⁿVPn
n=0
E
VP2
0
H : Cycle with the horizonal synchronizing pulse
2047 settings are possible.
1
F
VP3 ⁰
HOR
1
10
VP4 ⁰
1
11
VP5 ⁰
1
VS
Note 2
12
VP6 ⁰
1
13
VP7 ⁰
1
HS
Note 2
Display area
Note 2
Note 2
14
VP8 ⁰
1
Monitor display
15
VP9 ⁰
1
16 VP10 ⁰
1
17
–
0 _{Fix to "0".}
1 Can not be used.
Remarks
Horizontal display start location is specified
using the 12 bits from HP11 to HP0.
HP11 to HP0 = (0000000000002) and
(0000001001112) setting is forbidden.
The vertical start location is specified using
the 11 bits from VP10 to VP0.
VP10 to VP0 = (000000000002)
setting is forbidden.
HS*(shown left) shows horizontal display
start location this is register B/F
(address 12716) = "0" is set.
Note 1: The mark around the status value means the reset status by the "L" level is input to AC pin.
2: Set up the horizontal and vertical display start location so that display range may not exceed it.
Set the character code "1FF16" (blank without background) for the display RAM of the part which the display range exceeds.
9