H L 1 4 1 0 4
LCD Driver
HL15604
Hyundai Electronics Industries
System IC Division
1
1
Contents
1. General Description
2. Features
3. Block Diagram
4. Pin Diagram
5. Pin Description
6. Serial I/O Data Format
7. Registers
HL15604
8. Key Scan Function
9. LCD Function
10. Power On Reset
11. Power Down Mode
12. Oscillator Port
13. Electrical Characteristics
14. Application
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HL15604
1. General Description
The HL14104 is 1/4 duty LCD display driver. It can drive directly maximum
164 segments. Also it has four general purpose output ports and a key scan
function that accepts input from up to 30 keys.
2. Features
• LCD display ..................................... 41 segments x 4 commons
1/4 duty - 1/2 bias
1/4 duty - 1/3 bias
• Key scan ............................................ Maximum 30 keys
Input 5 pins, Output 6 pins
• Power down mode ............................. Sleep mode and all segments off mode
• Port
Output .................................................. 4 pins
( Including the LCD segment port )
• Serial I/O .............................................. Data transfer and receive
• Power on reset ..................................... Supply voltage detection ( SVD )
• RC oscillator
• Package ............................................... 64QFP
(1.6)
17.2
14.0
Unit : mm
Package Dimensions
64QFP (14×14)
17.2
14.0
1.0
0.8
1.0
48
49
64
1.0
1
0.8
0.35
16
33
32
17
(1.6)
1.0
0.15
64QFP (10×10)
12.0
10.0
48
49
12.0
10.0
64
1
0.12.7
Unit : mm
0.18
0.5
32
33
16
0.15
1.25
17
1.7max
1.25
0.5
0.5
0.1
3
4. Pin Diagram
KS5
KS4
KS3
KS2 / SEG41
KS1 / SEG40
COM4
COM3
COM2
COM1
SEG39
SEG38
SEG37
SEG36
SEG35
SEG34
HL15604
SEG33
KS6
KIN1
KIN2
KIN3
KIN4
KIN5
TEST
VDD
VCL1
VCL2
VSS
OSC
SO
CE
SCK
484746454443424140393837363534
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
SI
123456789101112131415
SEG1 / P1
SEG2 / P2
HL14104
SEG5
SEG6
SEG3 / P3
SEG4 / P4
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
SEG16
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
5
5. Pin Description
PIN Name I/O Pin Number Contents
SEG[41:1] O 41 LCD SEG Pins share P1,P2,P3 and P4
COM [4:1] O 4 LCD Common Pins
VCL[2:1] I 2 LCD Bias Pins
OSC I/O 1 Oscillator Input Pin
KS[6:1] O 6 Key Scan Output Pins
KIN[5:1] I 5 Key Scan Input Pins
CE I 1 Serial I/O Control Pin
SCK I 1 Serial I/O Clock Pin
SO O 1 Serial I/O Data Output Pin
SI I 1 Serial I/O Data Input Pin
TEST I 1 Test Pin. “1” Test mode , “0” Normal Mode
P[4:1] O 4 Output Port share SEG[4:1]
VDD I 1 Power Supply Pin
HL15604
VSS I 1 Ground Pin
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6. Serial I/O Data Format
1) Writing Mode
i )SCK is stopped at the low level
CE
SCK
HL15604
SI
SO
CE
SCK
SI
SO
CE
SCK
SI
SO
A0 A1 A2 A3 A4 A5 A6 A7
A0 A1 A2 A3 A4 A5 A6 A7
A0 A1 A2 A3 A4 A5 A6 A7
0 1 0 0 0 0 1 0 D1 D2 D3XX
Display data
0 1 0 0 0 0 1 0 D45 D46 XX
Display data
0 1 0 0 0 0 1 0 D85 D86XX
Display data
D41
D42 D43 D44 0 0 S0 S1 K0 K1 P0 P1 SC DR 0 0
Control data DD
D83
D84 0 0 0 0 0 0 0 0 0 0 0 0 0 1
0 0
D123
D124
0 0 0 0 0 0 0 0 0 0 0 0 1 0
0
Fixed data DD
0
Fixed data DD
CE
SCK
SI
SO
A0 A1 A2 A3 A4 A5 A6 A7
D163
0 1 0 0 0 0 1 0 D125 D126XX
Display data
D164
0 0 0 0 0 0 0 0 0 0 0 0 1 1
0
0
Fixed data DD
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ii )SCK is stopped at the high level
CE
SCK
HL15604
SI
SO
CE
SCK
SI
SO
CE
SCK
SI
SO
1 0 0 0 0 1 0 0 D2 D3XX
A0 A1 A2 A3 A4 A5 A6 A7
1 0 0 0 0 1 0 0 D46XX
A0 A1 A2 A3 A4 A5 A6 A7
1 0 0 0 0 1 0 0 D86XX
A0 A1 A2 A3 A4 A5 A6 A7
D1
D45
D85
Display data
Display data
D41
D42 D43 D44 0 0 S0 S1 K0 K1 P0 P1 SC DR 0 0
Display data
D83
D84 0 0 0 0 0 0 0 0 0 0 0 0 0 1
0 0
Control data DD
Fixed data DD
D123
D124
0 0 0 0 0 0 0 0 0 0 0 0 1 0
0 0
Fixed data DD
CE
SCK
SI
SO
D163
1 0 0 0 0 1 0 0 D126XX
A0 A1 A2 A3 A4 A5 A6 A7
D125
Display data
D164
0 0 0 0 0 0 0 0 0 0 0 0 1 1
0 0
Fixed data DD
A7~A0 : 42H address
D164~D1 : Data of LCD display registers
S0, S1 : Sleep control data
K0, K1 : Key scan output / Segment output selection data
P0, P1 : Segment output / general-purpose output port selection data
SC : Segment on / off control data
DR : 1/2 bias or 1/3 bias drive selection data
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