HM17CM256 HYNIX [Hynix Semiconductor], HM17CM256 Datasheet - Page 10

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

HM17CM256
- 10 -
PIN DESCRIPTION 1
70,71,115,116
21,22,23,
27,28,29,
17,18,19,
39,40,41
58,59,60
34,35,36
67,68,69,
101,102
103,104
105,106
107,108
109,110
111,112
113,114
88,89,90
85,86,87
99,100
117,118
72,73
74,75
76,77
78,79
91,92
93,94
95,96
97,98
82,83
80,81
No.
31
84
24
NAME
V
V
RES
V
V
V
V
V
V
C
C
C
C
C
C
V
V
V
C
C
C
C
C
C
V
V
V
V
SSH
DDA
LCD
OUT
REG
SSA
REF
DD
BA
SS
1
2
3
4
5
6
EE
1
2
3
4
5
6
1
2
3
4
+
+
+
+
+
+
-
-
-
-
-
-
supply/O
supply/O
supply
supply
supply
supply
supply
supply
I/O
O
O
O
O
O
O
O
O
I
I
Power pin for logic
GND pin for logic
High voltage GND pin
caution) Do not use to main power pin.
caution) Do not use to main power pin.
LCD driver supply voltage
Capacitor connection pin for voltage converter
Capacitor connection pin for voltage converter
Capacitor connection pin for voltage converter
Capacitor connection pin for voltage converter
Capacitor connection pin for voltage converter
Capacitor connection pin for voltage converter
Reference voltage output pin for voltage regulating.
Reference voltage input pin for voltage regulating.
Voltage supply pin for boosted voltage generation.
Internal DC/DC converter output pin.
Voltage regulator output pin.
Reset pin
This pin is internally connected to V
This pin is used when the voltage of each input pin is fixed to
V
This pin is internally connected to V
This pin is used when the voltage of each input pin is fixed to
V
V
Reset when RES= “L”
DD
SS
DD
LCD driver power supply port when external power supply
is used. When external power is used, voltages should
have following relations.
V
master mode operation under power circuit ON.
When internal power supply is used, capacitors must be
connected between V
LCD
level.
level.
level at normal status.
, V
1
~V
4
voltages are generated by voltage booster at
V
SS
<V
FUNCTION
4
<V
LCD
3
, V
<V
1
2
~V
<V
4
1
<V
and V
DD
SS
LCD
pin.
pin.
SS
.