MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Caption Position Register
b7 b6 b5 b4 b3 b2 b1 b0
1
0
0
Caption Position Register (CP) [Address 00E016
]
R
R
W
W
B
Name
Functions
After reset
0
0
to
4
Specification main data
slice line (CP0 to CP4)
W
W
5, 6
0
0
R
R
Fix these bits to “0.”
Fix this bit to “0.”
7
Caption Position Register
Address 00E016
Start Bit Position Register
b7 b6 b5 b4 b3 b2 b1 b0
Start bit position register (SP) [Address 00E116]
R
R
W
W
B
Name
Functions
After reset
0
0
to
6
Start bit generating time
(SP0 to SP6)
Time from a falling of the horizontal
synchronous signal to occurrence
of a start bit =
4 ✕ set value (“0016” to “7F16”) ✕
reference clock period
7
0
R
W
DSC1 bit 7 control bit
(SP7)
0 : Generation of 16 pulses
1 : Generation of 16 pulses and
detection of clock run-in
pulse (4 to 6 pulses)
Start Bit Position Register
Address 00E116
Window Register
b7 b6 b5 b4 b3 b2 b1 b0
0
0
Window register (WN) [Address 00E216
]
R
R
W
W
B
Name
Functions
After reset
0
0
to
5
Window start time
(WN0 to WN5)
Time from a falling of the horizontal
synchronous signal to start of the
window =
4 ✕ set value (“0016” to “3F16”) ✕
reference clock period
6, 7
0
R
W
Fix these bits to “0.”
Window Register
Address 00E216
125