HM17CM256 HYNIX [Hynix Semiconductor], HM17CM256 Datasheet - Page 52

• Manufacturer Part Number: HM17CM256
• Description: 128XRGBX82 OUTPUT LCD DRIVER IC with built-in RAM
• Manufacturer: HYNIX [Hynix Semiconductor]

HM17CM256
Gradation palette C
Gradation palette C
Gradation palette C
Gradation palette C
Gradation palette C
Gradation palette C
Display start command
Serial extension CS
Display selection
RAM data length set
Electric volume
Electric volume
control
Oscillator Rf control
discharge
RE register set
Internal register read
address set
Internal register read
control
control
set
control
- 52 -
INSTRUCTION
Notice 1) * mark is Don’t Care
Notice 2) [ ] The inner side number is an address for internal register read.
Notice 3) The commands that upper/lower register settings are demanded are effective at the point of commands input.
Notice 4) CKS=0: internal oscillation mode
(upper) [B
(upper) [1
(upper) [3
(upper) [5
(lower) [A
(lower) [0
(lower) [2
(lower) [4
INSTRUCTION TABLE (5)
CKS=1: external oscillation mode
Default CSK=0
But electric volume is effective after upper and lower register setting.
[C
5
5
6
6
7
7
[6
H
[D
[E
[F
set
set
set
set
set
set
[7
[8
[9
]
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
]
]
] 0
] 0
] 0
] 0
] 0
] 0
]
]
]
]
]
]
]
CS RS RD WR RE
0
0
0
0
0
0
0
0
0
0
0
CODE (80 series I/F)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0 0/1 0/1 0/1 1
0
1 0/1 0/1 0/1 *
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
RE
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
RE
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
D
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
7
D
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
*
6
D
0
0
1
1
0
0
1
1
0
0
1
1
0
1
1
0
*
5
D
CODE
0
1
0
1
0
1
0
1
0
1
0
1
1
0
1
0
*
4
PC
PC
PC
TST
D
PW
DV
FFL RF
M
*
*
*
*
*
*
*
*
3
Register read
53
63
73
3
0
Read Data
PC
PC
PC
address
SC
DV
DV
RE
SB
GL
D
*
*
*
*
*
*
2
52
62
72
2
2
6
2
2
PC
PC
PC
CKS
SC
DV
DV
RF
RE
D
*
*
*
*
*
*
1
51
61
71
1
1
1
5
1
PC
PC
PC
PC
PC
PC
SC
DV
DV
RF
DIS
RE
WL
EX
CS
D
S
*
0
50
54
60
64
70
74
0
0
0
4
0
Set value to gradation palette
C
Set value to gradation palette
C
Set value to gradation palette
C
Set value to gradation palette
C
Set value to gradation palette
C
Set value to gradation palette
C
Common drive scan start line
set
Serial I/F, extension CS port
(EXCS) control
Gradation display set
RAM access data length set
8 bit/16 bit selection
Electric volume level set
(lower bit)
Electric volume level set
(upper bit)
RF: oscillator feed back resistor set
FFL: oscillator frequency control
V
discharge
RE flag set
Internal
address set
Internal register read out
LCD
5
5
6
6
7
7
,
FUNCTION
register
V
1
~V
4
read
capacitor
out