MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Data slicer Control Register 2
b7 b6 b5 b4 b3 b2 b1 b0
0
0
0
Data slicer Control register 2 (DSC2) [Address 00EB16
]
B
0
Name
Functions
0: Stopped
After reset
0
R
R
W
W
Timing signal generating
circuit control bit (DSC20)
1: Operating
0: Video signal
1: HSYNC signal
0
R
R
R
1
Reference clock source
selection bit (DSC21)
W
—
W
Read-only
Indeterminate
0
2, 7
Test bit
3, 4,
6
Fix these bits to “0.”
V-pulse shape determination
flag (DSC25)
5
0: Match
1: Mis match
Indeterminate
R
—
Fig. 33. Data Slicer Control Register 2
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
W
W
R
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
Fig. 34. Data Slicer Control Register 3
39
RENESAS [ RENESAS TECHNOLOGY CORP ]
