m37280eksp Mitsumi Electronics, Corp., m37280eksp Datasheet - Page 148

• Manufacturer Part Number: m37280eksp
• Description: Single-chip 8-bit Cmos Microcomputer With Closed Caption Decoder And On-screen Display Controller
• Manufacturer: Mitsumi Electronics, Corp.

148
x x x x x
Block Control Register i
b7 b6 b5 b4 b3 b2 b1 b0
0, 1 Display mode
3, 4 Dot size selection
5, 6 Pre-divide ratio
Notes 1: Tc : OSD clock cycle divided in pre-divide circuit
B
7
2 Border control bit
Block control register i (BCi) (i=1 to 16) [Addresses 00D0
(BCi2)
bits
(BCi3, BCi4)
selection bit
(BCi5, BCi6)
selection bits
(BCi0, BCi1)
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is indeterminate.
2: H : H
3: This character size is available only in Layer 2. At this time, set layer 1’s
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
pre-divide ratio =
Name
SYNC
M37280MF–XXXSP, M37280MK–XXXSP
0 : Border OFF
1 : Border ON
b1
0
0
1
1
0
0
1
1
b6
2, layer 1’s horizontal dot size = 1Tc.
b5
0
1
1
1
b0
0
1
0
1
b4
0
0
1
1
0
0
1
1
0
0
0
0
1
1
Functions
Display OFF
OSD mode
CC mode
CDOSD mode
b3 Pre-divide
0
1
0
1
0
1
0
1
0
1
0
1
0
1
ratio
1
2
3
Functions
1Tc
1Tc
2Tc
3Tc
1Tc
1Tc
2Tc
3Tc
1.5Tc
1.5Tc
1Tc
1Tc
2Tc
3Tc
Dot size
1/2H
1H
2H
3H
1/2H
1H
2H
3H
1/2H
1H
2H
3H
and ON-SCREEN DISPLAY CONTROLLER
1/2H (See note 3)
1H (See note 3)
MITSUBISHI MICROCOMPUTERS
16
Address 00D0
to 00DF
Indeterminate
Indeterminate R W
Indeterminate R W
Indeterminate R W
Indeterminate R —
16
After reset R W
M37280EKSP
]
16
R W
to 00DF
Rev. 1.0
16