參數(shù)資料
型號: M37272M8-526SP
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
中文描述: 單芯片8位CMOS微機(jī)隱蔽字幕解碼器和屏幕顯示控制器
文件頁數(shù): 66/131頁
文件大小: 1297K
代理商: M37272M8-526SP
66
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37272M6H/M8H/MAH/MFH
XXXSP/FP
M37272E8SP/FP, M37272EFSP/FP
MITSUBISHI MICROCOMPUTERS
Rev 1.0
The vertical display start position is determined by counting the hori-
zontal sync signal (H
SYNC
). At this time, when V
SYNC
and H
SYNC
are
positive polarity (negative polarity), it starts to count the rising edge
(falling edge) of H
SYNC
signal from after fixed cycle of rising edge
(falling edge) of V
SYNC
signal. So interval from rising edge (falling
edge) of V
SYNC
signal to rising edge (falling edge) of H
SYNC
signal
needs enough time (2 machine cycles or more) for avoiding jitter.
The polarity of H
SYNC
and V
SYNC
signals can select with the I/O po-
larity control register (address 00D8
16
).
Fig. 8.11.6 Supplement Explanation for Display Position
W
(
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d
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Period of counting
H
SYNC
signal
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.
=
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8
M
[
μ
s
H
]
z
(
)
(See note 2)
H
signal input
N
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1
2
3
4
5
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:
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S
p
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Y
t
N
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r
.
s
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N
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c
u
2
:
D
H
S
N
t
V
S
i
p
Y
r
t
3
:
T
h
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f
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s
o
r
m
8
o
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h
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i
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c
y
c
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s
m
8 machine cycles
or more
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