NT68F62 Datasheet, PDF (32/57 Pages) List of Unclassifed Manufacturers – 8-Bit Microcontroller for Monitor (32K Flash MTP Type)

NT68F62
13.3 Power Saving Mode detect:
Video modes are listed below, especially from mode 2 to mode 4 just for power saving. All of the modes can be easily
detected by NT68F62 (Figure 13.6).
Mode
H-Sync
V-Sync
(1) Normal
Active
Active
(2) Stand-by
Inactive
Active
(3) Suspend
Active
Inactive
(4) Off
Inactive
Inactive
Control Bit Description:
Addr.
$0006
$0007
$0008
$0009
$000A
$000B
$000C
$000D
$000E
Register
SYNCON
HV CON
HCNT L
HCNT H
VCNT L
VCNT H
FREECON
HALFCON
AUTOMUTE
INIT
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
R/W
Control Registers for Synprocessor
FFH
―
―
―
―
INSEN
―
HSEL
S/ C
R
FFH
―
―
―
―
INSEN ENHSEL HSEL
S/ C
W
FFH
―
―
HSYNCI VSYNCI HPOLI
VPOLI HPOLO VPOLO
R
FFH _{ENHOUT ENVOUT}
―
―
―
―
HPOLO VPOLO W
00H HCL7
HCL6
HCL5
HCL4
HCL3
HCL2
HCL1
HCL0
R
00H HCNTOV
―
―
―
HCH3
HCH2
HCH1
HCH0
R
CLRHOV
―
―
―
―
―
―
―
W
00H VCL7
VCL6
VCL5
VCL4
VCL3
VCL2
VCL1
VCL0
R
00H VCNTOV
―
VCH5 VCH4 VCH3
VCH2
VCH1
VCH0
R
CLRVOV
―
―
―
―
―
―
―
W
FFH _ENPAT
PAT0
―
―
―
FREQ2 FREQ1 FREQ0
W
FFH _{ENHALF NOHALF} HALFPOL ―
―
―
―
―
W
FFH _{ENHDIFF ENPOL ENOVER}
― HDIFFVL3 HDIFFVL2 HDIFFVL1 HDIFFVL0 W
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