MAX6952EAX Maxim Integrated Products, MAX6952EAX Datasheet
MAX6952EAX
Specifications of MAX6952EAX
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MAX6952EAX Summary of contents
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... Automatic Blinking Control for Each Segment o 36µA Low-Power Shutdown (Data Retained) o 16-Step Digital Brightness Control o Display Blanked on Power-Up o Slew-Rate-Limited Segment Drivers for Lower EMI o 36-Pin SSOP and 40-Pin DIP Packages Applications PART MAX6952EAX MAX6952EPL Pin Configurations appear at end of data sheet. DIGIT 0 O14 C1 C2 O15 ...
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Interfaced, 2.7V to 5.5V, 4-Digit 5 ✕ 7 Matrix LED Display Driver ABSOLUTE MAXIMUM RATINGS Voltage (with respect to GND) V+ .............................................................................-0.3V to +6V All Other Pins................................................-0.3V to (V+ + 0.3V) O0–O13 Sink Current ....................................................... 500mA O14–O23 Source Current ...
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DC ELECTRICAL CHARACTERISTICS (continued) (Typical operating circuit 3.0V to 5.5V, T PARAMETER SYMBOL LOGIC INPUTS AND OUTPUTS Input High Voltage DIN, CLK, CS Input Low Voltage DIN, CLK, CS Input Leakage DIN, CLK, CS, OSC DOUT ...
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Interfaced, 2.7V to 5.5V, 4-Digit 5 ✕ 7 Matrix LED Display Driver (Typical application circuit 3.3V, LED forward voltage = 2.4V, scan limit set to 4 digits, T INTERNAL OSCILLATOR FREQUENCY vs. TEMPERATURE 4. 2.7V ...
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PIN SSOP PDIP 6–14, 23 7–15, 26 25–31, 34, 35, 36 28–34, 38, 39, 40 32, ...
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Interfaced, 2.7V to 5.5V, 4-Digit 5 ✕ 7 Matrix LED Display Driver Table 1. Connection Scheme for Four Monocolor Digits DIGIT O10 O11 O12 O13 O14 O15 O16 O17 ...
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The 16 bits in the latch are then decoded and executed. The MAX6952 is written to using the following sequence: 1) Take CLK low. Take CS low. This enables the ...
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Interfaced, 2.7V to 5.5V, 4-Digit 5 ✕ 7 Matrix LED Display Driver CS CLK DIN DOUT TIMING NOT TO SCALE. Figure 2. Timing Diagram CS CLK D15 D13 DIN D14 D12 = 0 DOUT Figure 3. 16-Bit Write Transmission ...
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Table 4. Register Address Map REGISTER No-Op Intensity10 Intensity32 Scan-Limit Configuration User-Defined Fonts Factory reserved. Do not write to this. Display Test Digit 0 Plane P0 Digit 1 Plane P0 Digit 2 Plane P0 Digit 3 Plane P0 ...
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Interfaced, 2.7V to 5.5V, 4-Digit 5 ✕ 7 Matrix LED Display Driver Shutdown Mode (S Data Bit D0) Format The S bit in the configuration register selects shutdown or normal operation (Table 7). The display driver can be programmed ...
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When blink is globally disabled, then only the digit data in plane P0 is used to control the display. The digit data in plane P1 is ignored. Global Blink Timing Synchronization (T Data Bit D4) Format By setting ...
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Interfaced, 2.7V to 5.5V, 4-Digit 5 ✕ 7 Matrix LED Display Driver Table 10. Digit Register Mapping with Blink Globally Enabled SEGMENT’S SEGMENT’S BIT SETTING BIT SETTING IN PLANE P1 IN PLANE Segment off Segment on ...
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Table 14. Character Map MSB x000 x001 x010 x011 x100 LSB 0000 RAM00 RAM16 0001 RAM01 RAM17 0010 RAM02 RAM18 0011 RAM03 RAM19 0100 RAM04 RAM20 0101 RAM05 RAM21 0110 RAM06 RAM22 0111 RAM07 RAM23 1000 RAM08 1001 ...
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Interfaced, 2.7V to 5.5V, 4-Digit 5 ✕ 7 Matrix LED Display Driver Table 15. Memory Mapping of User-Defined Font Register 0x05 ADDRESS CODE REGISTER (HEX) DATA 0x85 0x00–0x7F 0x05 0x00–0x7F 0x05 0x80–0xFF Table 16. Font Pointer Address Behavior FONT ...
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Table 17. User-Definable Font Pointer Base Address Table FONT ADDRESS CHARACTER CODE (HEX) RAM00 0x05 RAM01 0x05 RAM02 0x05 RAM03 0x05 RAM04 0x05 RAM05 0x05 RAM06 0x05 RAM07 0x05 RAM08 0x05 RAM09 0x05 RAM10 0x05 RAM11 0x05 RAM12 ...
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Interfaced, 2.7V to 5.5V, 4-Digit 5 ✕ 7 Matrix LED Display Driver Table 18. User-Definable Character Storage Example FONT FONT ADDRESS ADDRESS CHARACTER CODE (HEX) POINTER RAM00 0x00 RAM00 0x01 RAM00 0x02 RAM00 0x03 RAM00 0x04 RAM01 0x05 RAM01 ...
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Table 21. Intensity Register Format for Digit 0 (Address 0x01) and Digit 2 (Address 0x02) TYPICAL SEGMENT DUTY CYCLE CURRENT (mA) 1/16 (min on) 2.5 2/16 5 3/16 7.5 4/16 10 5/16 12.5 6/16 15 7/16 17.5 8/16 ...
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Interfaced, 2.7V to 5.5V, 4-Digit 5 ✕ 7 Matrix LED Display Driver Table 23. Display-Test Register Format MODE Normal operation Display test The voltage drop across the drivers with a nominal 5V supply (5.0V - 2.4V) = 2.6V is ...
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COLUMN DRIVER DIGIT 0 DIGIT 0 DIGIT 0 PINS O14-O18 ROW 2 ROW 3 ROW 1 COLUMN DRIVER DIGIT 1 DIGIT 1 DIGIT 1 PINS O19-O23 ROW 2 ROW 3 ROW 1 DIGIT 1 COLUMN DRIVER OUTPUTS ...
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Interfaced, 2.7V to 5.5V, 4-Digit 5 ✕ 7 Matrix LED Display Driver When designing a board, use the following guidelines: 1) The R connection to the ISET pin is a high-imped- SET ance node, and sensitive to layout. Place ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 21 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2002 Maxim Integrated Products 4-Wire Interfaced, 2.7V to 5.5V, ✕ ...