m35045 Renesas Electronics Corporation., m35045 Datasheet - Page 6

• Manufacturer Part Number: m35045
• Description: Screen Character And Pattern Display Controllers
• Manufacturer: Renesas Electronics Corporation.

REGISTERS DESCRIPTION
(1) Address 120
Note: The mark ⁄ around the status value means the reset status by the “L” level is input to AC pin.
DA
C
D
0
1
2
3
4
5
6
7
8
9
A
B
Register
DIVS0
DIVS1
DIVS2
DIV10
DIV0
DIV1
DIV2
DIV3
DIV4
DIV5
DIV6
DIV7
DIV8
DIV9
16
Status
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Set multiply value (frequency value) of horizontal synchronous fre-
quency.
N1 =
N1: frequency value
Set frequency value N2
It should be fixed to “0”.
Can not be used.
1
0
0
1
1
n = 0
10
DIVS
(DIVn
0
0
1
0
1
2
n
)
Division into 2
Division into 3
Division into 4
Frequency
Do not set
value N2
Contents
Function
SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS
__
MITSUBISHI MICROCOMPUTERS
Display frequency is computed as
shown below.
F
N1
Set display frequency F
30MHz to 80MHz range.
When display frequency F
quency value N2 in association with
DIVS0 and DIVS1.
Set frequency value N2 in association
with display frequency range.
f
M35045-XXXSP/FP
H
OSC
Display frequency
F
[kHz]
OSC
[MHz] : Display frequency
55 ~ 80
40 ~ 55
30 ~ 40
= f
H
: Horizontal synchronous
: Shown left
signal frequency to HOR
pin.
Remarks
N1
Frequency value N2
Division into 2
Division into 3
Division into 4
OSC
OSC
to within
, set fre-
5