MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Figures 32 to 34 show the data slicer control registers.
Data Slicer Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
0
0
0
Data slicer control register 1(DSC1) [Address 00EA16
]
B
0
Bit
Functions
0: Data slicer stopped
After reset
0
R
R
W
W
Data slicer control bit
(DSC10)
1: Data slicer operating
Field of main
data slice line
Field for setting
refernce voltage
1, 2
0
R
W
Field to be sliced data
selection bit
b2 b1
F2
F1
F2
F1
(DSC11, DSC12)
0
0
1
1
0
1
0
1
F2
F1
F1 and F2
F1 and F2
3, 4,
6
0
R
R
W
—
Fix these bits to “0.”
5
Indeterminate
Field determination
flag
(DSC15)
Hsep
0 :
1 :
Vsep
Hsep
Vsep
7
0: Data is not yet latched
1: Data is latched
Data latch completion
flag for caption data in
main data slice line
(DSC17)
Indeterminate
W
R
Definition of fields 1 (F1) and 2 (F2)
F1 : Hsep
SYNC
V
Vsep
F2 : Hsep
SYNC
V
Vsep
Fig. 32. Data Slicer Control Register 1
38
RENESAS [ RENESAS TECHNOLOGY CORP ]
