m35053 Renesas Electronics Corporation., m35053 Datasheet - Page 23
m35053
Manufacturer Part Number
m35053
Description
Screen Character And Pattern Display Controllers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.M35053.pdf
(40 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
m35053-057SP
Manufacturer:
MIT
Quantity:
6 226
Encode functions (effective for NTSC only)
(1) Setting encode data
Setting data code (000 – 111) in EC0 through EC2 (bits DA8 through
DAA) of the display RAM (addresses 0 through EF
sample setting and data code are shown below.
Fig. 12 An example of data code setting
22
An example of setting
(address) (Note)
EC2 ~ EC0=
A suite of data code (000 – 111) for encoding to be set in EC2 through EC0 are assigned as given below.
EC2
0
0
0
0
1
1
1
1
100
(0)
EC1
0
0
1
1
0
0
1
1
100 100 101
(1)
EC0
5 characters
0
1
0
1
0
1
0
1
fixed
(2)
12 dots
Data
L H L H
L H L
16
H L
H H
L
L H
(3)
) encodes. A
L
001
(4)
18 dots
SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS
LSB
Set by every 2 bits (one character) with EC2 to EC0.
(5)
Can not be used
No encoding
Note: Refer to the next page about address setting.
1H
2 bit / a character
(Set one code of 000 to 011)
(6)
(7)
16 bit data
The oscillation frequency when
encoding: 3 MHz
1 clock cycle: 0.333 s
1 character (12 dots): 3.996 s
2 bits/1 character: 3.996 s
1 bit: 1.998 s
····· 192
8 characters
frequency)
for f
(8)
H
MITSUBISHI MICROCOMPUTERS
= 15.625 kHz
f
H
(9)
(horizontal synchronous
M35053-XXXSP/FP
(10)
(11)
(12)
MSB