SED1520FOA SMOS, SED1520FOA Datasheet
SED1520FOA
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SED1520FOA Summary of contents
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DOT MATRIX LCD DRIVER 371-1.0 S-MOS Systems, Inc. • 150 River Oaks Parkway • San Jose, CA 95134 • Tel: (408) 922-0200 • Fax: (408) 922-0238 SED1520/21 S-MOS Systems, Inc. October, 1996 Version 1.0 (Preliminary) 1 ...
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S-MOS Systems, Inc. • 150 River Oaks Parkway • San Jose, CA 95134 • Tel: (408) 922-0200 • Fax: (408) 922-0238 THIS PAGE INTENTIONALLY BLANK 371-1.0 ...
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GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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... Display Control Timing 6.0 MPU INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 6.1 80 Family MPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 6.2 68 Family MPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 7.0 LCD DRIVER INTERCONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 7.1 SED1520FOA - SED1520FOA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 7.2 SED1520FAA - SED1520FAA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 7.3 SED1520FOA - SED1521FOA * 7.4 SED1520FAA - SED1521FAA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 7.5 HD44103CH - SED1521FAA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 8.0 TYPICAL CONNECTIONS WITH LCD PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 8.1 Duty 1/16, 10 characters x 2 lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 8.2 Duty 1/16, 23 characters x 2 lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 8.3 Duty 1/32, 33 characters x 4 lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 8.4 Duty 1/32, 20 kanji characters x 2 lines ...
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General Description 1.0 GENERAL DESCRIPTION 1.1 DESCRIPTION The SED1520 is a dot matrix LCD driver LSI intended for display of characters and graphics. The bit-addressable display data, which is sent from a microcomputer, is stored in a built-in display ...
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SED1520 FAMILY SPECIFICATIONS Clock Frequency Product Name On Chip SED1520F 18kHz OA SED1521F — OA SED1520F — AA SED1521F — AA 1.4 MODEL CLASSIFICATION Operating Clock Model Name Internal oscillator SED1520F 18KHz O* SED1520F — A* ...
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Block Diagrams 2.0 BLOCK DIAGRAMS 2.1 SYSTEM BLOCK DIAGRAM COM0~COM15 SED1520 V DD M/S 371-1.0 S-MOS Systems, Inc. • 150 River Oaks Parkway • San Jose, CA 95134 • Tel: (408) 922-0200 • Fax: (408) 922-0238 28 CHAR 2 ...
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BLOCK DIAGRAM 8 S-MOS Systems, Inc. • 150 River Oaks Parkway • San Jose, CA 95134 • Tel: (408) 922-0200 • Fax: (408) 922-0238 MPU INTERFACE COMMAND STATUS DECODER COLUMN ADDRESS REGISTER COLUMN ADDRESS COUNTER COLUMN ...
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Block Diagrams 2.3 DESCRIPTION OF CIRCUIT BLOCKS 2.3.1 MPU Interface 2.3.1.1 Selection of Interface Type The SED1520 Series uses 8 bits of bi-directional data bus (D0–D7) to transfer data. The reset pin is capable of selecting MPU interface; setting ...
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Therefore, MPU’s access to the SED1520 is affected not by display data RAM access time ( but by cycle time (t DS CYC time requirement is not met, the MPU has only to execute the ...
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Block Diagrams 2.3.2 Busy Flag Busy flag being “1” means that the SED1520 is performing its internal operation and any instruction other than Read Status is disabled. The busy flag is output to pin Read Status ...
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Common Timing Generator This circuit generates common timing and frame (FR) signals from the basic clock (CL). The Se- lect Duty command selects a duty of 1/16 or 1/32. The 1/32 duty is achieved by a ...
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Block Diagrams 2.3.8.1 Relationship between Display Data RAM Locations and Addresses (Display Start Line: 08) 371-1.0 S-MOS Systems, Inc. • 150 River Oaks Parkway • San Jose, CA 95134 • Tel: (408) 922-0200 • Fax: (408) 922-0238 Area Display ...
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LCD Driver Circuit This circuit generates 80 sets of multiplexer that generate quartet levels for LCD driving. Display data in the display data latch, common timing generator output and FR signal are combined to out- put ...
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Block Diagrams 2.3.11.1 LSI Containing Oscillator V DD Master LSI M/S (CS) OSC1 * As the parasitic capacitance in this portion increases, the oscillation frequency will shift to a lower level. The Rf must have a smaller value than ...
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Reset Circuit This circuit senses the leading edge or trailing edge of RES and initializes the system when its power is switched on. Initialization: (a) Display off (b) Display start line register: First line (c) Static ...
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Block Diagrams 2.3.12.1 Example of LCD Driving Waveform 1/5 bias, 1/16 duty 1/6 bias, 1/32 duty COM 371-1.0 S-MOS Systems, Inc. • 150 ...
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S-MOS Systems, Inc. • 150 River Oaks Parkway • San Jose, CA 95134 • Tel: (408) 922-0200 • Fax: (408) 922-0238 THIS PAGE INTENTIONALLY BLANK 2.0 Block Diagrams 371-1.0 ...
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Pin Configuration 3.0 PIN CONFIGURATION 3.1 PIN CONFIGURATION 80 DB2 DB3 DB4 DB5 DB6 85 DB7 V DD RES M COM0 COM1 COM2 COM3 100 COM4 1 371-1.0 S-MOS Systems, Inc. ...
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... PIN DESCRIPTION Product name 74 SED1520FOA OSC1 SED1521FOA CS SED1520FAA CS SED1521FAA CS * Master LSI common outputs COM0–COM15 correspond to slave LSI outputs COM31–COM16. 3.2.1 Power Signals V Connected to +5V power. Common to MPU power pin 0V, connected to system GND –V Multi-level power used to drive LCDs. Voltage specified to each LCD cell is divided by ...
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Pin Configuration CS Chip Select input signal which is normally obtained by decoding an address bus sig- nal. Effective with “L” active and a chip operating with external clocks. For a chip con- taining an oscillator, CS works as ...
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SEG0– LCD column (segment) driving output. One of the V SEG79 selected by a combination of the content of display RAM and the FR signal. 3.2.3.1 LCD Column (Segment) Driving Output Timing Output Level COM0– LCD common ...
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Commands 4.0 COMMANDS Table 3 lists the commands used with the SED1520. This LSI uses a combination of A0, R/W (RD, WR) to identify a data bus signal. Interpretation and execution of a command depends not on ex- ternal ...
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SET PAGE ADDRESS This command is used to specify a page address equivalent to a row address for MPU access to the display data RAM. A required bit of the display data RAM can be accessed ...
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Commands 4.5 READ STATUS R ON ADC Busy OFF BUSY: BUSY being “1” means that system is performing an internal operation or is reset. No command is accepted before BUSY = ...
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READ DISPLAY DATA This command allows the MPU to read 8 bits of data from the display data RAM location specified by a column address and a page address. Once the data is read, the column ...
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... Duty 1/ Duty 1/32 If the system contains both SED1520FOA (internal oscillation) and the SED1521FOA LSIs, they must have the same duty. 4.11 READ MODIFY WRITE This command is used with the End command in a pair. Once it has been entered, the column address will be incremented not by the Read Display Data command but by the Write Display Data command only ...
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Cursor Blinking Sequence 4.12 END This command cancels the Read Modify Write command, returning the column address to the ini- tial mode address. R 4.12.1 ...
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Commands 4.13 RESET This command initializes the display start line register, column address counter, and page address counter without any effect on the display data RAM. For details, see section 2.3.12. The reset operation follows entry of the Reset ...
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Table 3 Commands Command (1) Display ON/OFF 0 1 (2) Display start line 0 1 (3) Set page address 0 1 Set column ( ...
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Electrical Characteristics 5.0 ELECTRICAL CHARACTERISTICS 5.1 ABSOLUTE MAXIMUM RATINGS Parameter Supply voltage (1) Supply voltage (2) Supply voltage (3) Input voltage Output voltage Allowable loss Operating temperature Storage temperature Soldering temperature/time Notes: 1. All voltages are based on VDD ...
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DC CHARACTERISTICS Parameter Symbol Operating Recommended voltage V Allowable (1)*1 Recommended Operating Allowable voltage Allowable V 1 (2) Allowable High level input voltage V V Low level input voltage V V High level ...
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Electrical Characteristics (Continued) Parameter Symbol Oscillation frequency f OSC Reset time Notes: *1. Operation over a wide range of voltages is guaranteed except where a sudden voltage change occurs during access. *2. Pins A0, D0–D7, E(RD), R/W (WR) and ...
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Notes (continued): Relationship between external clock (fCL) and frame (SED1520F 200 100 *10. Operating voltage ranges of V –15 –10 *11. Resistance with a voltage of 0.1V applied between the output pin (SEG, COM) and each pow- ...
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Electrical Characteristics 5.3 TIMING CHARACTERISTICS 5.3.1 System Bus Read/Write I (80 Family MPU) A0 (WRITE (READ) Signal Symbol t AH8 A0 AW8 t CYC8 WR ...
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System Bus Read/Write II (68 Family MPU) E R/W A0 (WRITE (READ) Signal Symbol A0 CYC6 R/W t AW6 t AH6 D0–D7 t DS6 t ...
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Electrical Characteristics 5.3.3 Display Control Timing CL FR 5.3.3.1 Input Timing Signal Symbol CL t WLCL t WHCL DFR 5.3.3.2 Output Timing Signal Symbol FR t DFR *1. The listed FR input delay ...
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S-MOS Systems, Inc. • 150 River Oaks Parkway • San Jose, CA 95134 • Tel: (408) 922-0200 • Fax: (408) 922-0238 5.0 Electrical Characteristics THIS PAGE INTENTIONALLY BLANK 371-1.0 ...
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MPU Interface 6.0 MPU INTERFACE 6.1 80 FAMILY MPU IORQ MPU RES GND 371-1.0 S-MOS Systems, Inc. • 150 River Oaks Parkway • San Jose, CA 95134 • Tel: (408) ...
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FAMILY MPU VMA MPU D 0 R/W RES GND * These examples also apply to the SED1521F * The SED1520 (containing an oscillator) does not have pin CS. The ...
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LCD Driver Interconnections 7.0 LCD DRIVER INTERCONNECTIONS 7.1 SED1520F - SED1520F OA To LCD SED1520F To LCD COM V DD M/S 7.2 SED1520F - SED1520F AA To LCD SED1520F To LCD COM V DD M/S 7.3 SED1520F - SED1521F ...
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SED1520F - SED1521F AA To LCD COM V DD M/S 7.5 HD44103CH - SED1521F HD44103CH Common Driver *1. In this connection, the duty of the SED1521F *2. A CMOS buffer is needed for a system having ...
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Typical Connections with LCD Panel 8.0 TYPICAL CONNECTIONS WITH LCD PANEL 8.1 DUTY 1/16, 10 CHARACTERS X 2 LINES (Full dot LCD panel: 1 character = 6 8.2 DUTY 1/16, 23 CHARACTERS X 2 LINES (Full dot LCD panel: ...
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DUTY 1/32, 33 CHARACTERS X 4 LINES (Full dot LCD panel: 1 character = SEG COM SED1520 Master * SED1521F may be omitted not used, the panel consists of ...
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Typical Connections with LCD Panel 8.5 DUTY 1/32, 2–SCREEN DISPLAY, 20 KANJI CHARACTERS X 4 LINES SED1521F SED1521F 371-1.0 S-MOS Systems, Inc. • 150 River Oaks Parkway • San Jose, CA 95134 • Tel: ...
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S-MOS Systems, Inc. • 150 River Oaks Parkway • San Jose, CA 95134 • Tel: (408) 922-0200 • Fax: (408) 922-0238 8.0 Typical Connections with LCD Panel THIS PAGE INTENTIONALLY BLANK 371-1.0 ...
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Package Dimensions 9.0 PACKAGE DIMENSIONS 9.1 PLASTIC QFP 5-100 PIN 81 100 371-1.0 S-MOS Systems, Inc. • 150 River Oaks Parkway • San Jose, CA 95134 • Tel: (408) 922-0200 • Fax: (408) 922-0238 25.6 0.4 20 0.1 80 ...
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S-MOS Systems, Inc. • 150 River Oaks Parkway • San Jose, CA 95134 • Tel: (408) 922-0200 • Fax: (408) 922-0238 THIS PAGE INTENTIONALLY BLANK 9.0 Package Dimensions 371-1.0 ...
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Pad Layout 10.0 PAD LAYOUT 10.1 PAD LAYOUT (SED1520D/SED1521D) 100 SED1520DAA 30 371-1.0 S-MOS Systems, Inc. • 150 River Oaks Parkway • San Jose, CA 95134 • Tel: (408) 922-0200 • Fax: (408) ...
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Al Pad Chip Specification Chip size Chip thickness Pad size 10.1.2 Au Bump Pad Chip Specification Chip size Chip thickness Pad size Pad pitch Bump height 0.020 + 0.01 to –0.005 50 S-MOS Systems, Inc. • ...
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Pad Layout 10.2 PAD COORDINATES (SED1520D Pad X No. Name 1 COM5 159 6507 2 COM6 159 6308 3 COM7 159 6108 4 COM8 159 5909 5 COM9 159 5709 6 COM10 159 5510 7 COM11 159 5310 8 ...
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S-MOS Systems, Inc. • 150 River Oaks Parkway • San Jose, CA 95134 • Tel: (408) 922-0200 • Fax: (408) 922-0238 10.0 Pad Layout S-MOS assumes no responsibility or liability for (1) any errors or inaccuracies ...