MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Sync Pulse Counter Register
b7 b6 b5 b4 b3 b2 b1 b0
Sync pulse counter register (SYC) [Address 020F16
]
R
R
W
—
B
Name
Count value
Functions
After reset
0
0
to
4
(SYC0 to SYC4)
5
Count source (SYC5)
0: HSYNC signal
1: Composite sync signal
0
0
R
R
W
—
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
6, 7
Sync Pulse Counter Register
Address 020F16
Data Slicer Control Register 3
b7 b6 b5 b4 b3 b2 b1 b0
Data slicer control register 3 (DSC3) [Address 021016
]
B
0
Bit
Functions
0: Main data slice line
After reset
0
R
R
W
W
Line selection bit for
slice voltage (DSC30)
1: Sub-data slice line
Field of sub-
data slice line
Field for setting
refernce voltage
1, 2
0
R
W
Field to be sliced data
selection bit
b2 b1
(DSC31, DSC32)
0
0
1
1
0
1
0
1
F2
F1
F1 and F2
F1 and F2
F2
F1
F2
F1
3
to
7
0
R
W
Setting bit of sub-data
slice line
(DSC33 to DSC37)
Definition of fields 1 (F1) and 2 (F2)
F1 : Hsep
SYNC
V
Vsep
F2 : Hsep
SYNC
V
Vsep
Data Slicer Control Register 3
Address 021016
138
RENESAS [ RENESAS TECHNOLOGY CORP ]
