M35061 Datasheet, PDF (29/40 Pages) Mitsubishi Electric Semiconductor – SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS

MITSUBISHI MICROCOMPUTERS
M35061-XXXSP/FP
SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS
9. Notes on superimposed colors
(1) Register setting
The below table gives register settings for superimposed colors.
Register
____
Broad-
PAL/NTSC
MPAL
EX
casting method
NTSC
0
0
0
PAL
1
0
0
M-PAL
0
1
0
SCOR
1
1
1
PHIN pin
Connect to GND
Input control signal. Refer to (2)
Input control signal. Refer to (2)
(2) Signal input to PHIN (23-pin) pin
It is necessary to input a control signal for alternating color burst
phase (CB1/CB2) every other scanning line. The signal is input into
the PHIN (23-pin) pin.
The below figure shows timing for the signal input to the PHIN (23-
pin) pin.
R-Y
CB1
CB2
B-Y
Fig. 13 Bector phase of PAL, M-PAL method
CB1
CB2
CB1
C. Video signal
PHIN pin
Fig. 14 Signal input timing for PHIN (23-pin) pin
PHIN input
H
L
sellect
CB1
CB2
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