HEI HL14104 Datasheet

H L 1 4 1 0 4
LCD Driver
HL15604
Hyundai Electronics Industries
System IC Division
1
1
Contents
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
2
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
3. Block Diagram
COM4
COM3
COM2
COM1
KS1 / SEG40
SEG39
KS2 / SEG41
SEG5
SEG4 / P4
HL15604
SEG1 / P1
VCL1 VCL2
VDD
VSS
OSC
TEST
COMMOM
DRIVER
LCD BIAS
SVD
CLOCK
GENERATOR
TEST
CONTROL
RESET
CLOCK
SEGMENT
DRIVER
LCD
DISPLAY & CONTROL
REGISTER
SERIAL
I/O
KEY
SCAN
KS6
KS5
KS4
KS3
KS2
KS1
KIN5
KIN4
KIN3
KIN2
SI SO SCK CE
KIN1
4
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
6
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
7
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
8
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