MAX6954AAX+T Maxim Integrated Products, MAX6954AAX+T Datasheet
MAX6954AAX+T
Specifications of MAX6954AAX+T
Related parts for MAX6954AAX+T
MAX6954AAX+T Summary of contents
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... SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. ♦ High-Speed 26MHz SPI/QSPI/MICROWIRE™- Compatible Serial Interface ♦ ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan ABSOLUTE MAXIMUM RATINGS (Voltage with respect to GND.) V+ .........................................................................-0.3V to +6V All Other Pins............................................-0.3V to (V+ + 0.3V) Current O0–O7 Sink Current ......................................................935mA O0–O18 Source ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan DC ELECTRICAL CHARACTERISTICS (continued) ( Typical Operating Circuits , V+ = 2.7V to 5.5V, T PARAMETER SYMBOL Segment Drive Source Current ΔI Segment Current Slew Rate ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan TIMING CHARACTERISTICS ( Typical Operating Circuits , V+ = 2.7V to 5.5V, T PARAMETER TIMING CHARACTERISTICS CLK Clock Period CLK Pulse Width High CLK Pulse Width ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan (V+ = 3.3V, LED forward voltage = 2.4V, typical application circuit, T DEAD CLOCK OSCILLATOR FREQUENCY vs. SUPPLY VOLTAGE 110 R = 56kΩ SET OSC = ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan PIN NAME SSOP PDIP 36, 37, P0–P4 34, 35, 36 38, 39, 40 33, 34, 35 ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan 1dp 1d Figure 1. Segment Labeling for 7-Segment Display, 14-Segment Display, and 16-Segment Display Table 1. MAX6954 Drive ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 2. Connection Scheme for Eight 16-Segment Digits DIGIT CCO — — CC1 ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan DOUT CLK MICROCONTROLLER CS DIN Figure 2. MAX6954 Daisy-Chain Connection CS CLK DIN DOUT Figure 3. Timing Diagram to read. Bits contain dummy ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan CS CLK D15 D14 D13 DIN D12 DOUT Figure 4. Transmission of 16 Bits to the MAX6954 CS CLK N-15 N-14 BIT BIT DIN 1 2 ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan A logic high selects hexadecimal decoding, while a logic low bypasses the decoder. When direct control is selected, the data bits correspond to ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Scan-Limit Register The scan-limit register sets how many 14-segment dig- its or 16-segment digits or pairs of 7-segment digits are displayed, from ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 6. Register Address Map REGISTER No-Op Decode Mode Global Intensity Scan Limit Configuration GPIO Data Port Configuration Display Test Write KEY_A Mask Read KEY_A Debounce ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 6. Register Address Map (continued) REGISTER Digit 4a Plane P0 (7 Segment Only) Digit 5a Plane P0 (7 Segment Only) Digit 6a Plane P0 (7 ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 6. Register Address Map (continued) REGISTER Write Digit 2a Planes P0 and P1 with Same Data (7 Segment Only), Reads as 0x00 Write Digit 3a ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan 200μs DIGIT 0 DIGIT 0 CATHODE DRIVER INTENSITY SETTINGS 1/16TH HIGH-Z (MIN ON) 2/16TH LOW 3/16TH LOW 4/16TH LOW 5/16TH LOW 6/16TH LOW 7/16TH LOW 8/16TH ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan LED OUTPUT O0 LED OUTPUT O1 LED OUTPUT O2 LED OUTPUT O3 LED OUTPUT O4 LED OUTPUT O5 LED OUTPUT O6 LED OUTPUT ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan The bit is cleared if the switch has not been detected as pressed by the key-scanning circuit during the last test. Reading a pressed register does ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan peak current I , plus the 0.8V headroom required by SEG the driver output stages. The MAX6954 correctly regu- lates I with a supply voltage above ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 7. 16-Segment Display Font Map MSB x000 x001 x010 x011 x100 LSB 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 9. Digit Plane Data Register Format MODE 14-segment or 16-segment mode, writing digit data to use font map data with decimal place unlit 14-segment or ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 11. 7-Segment Segment Mapping Decoder for Hexadecimal Font 7-SEGMENT CHARACTER D6, D5, D7 — — — — ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 13. Example Configurations for Display Digit Combinations DIGIT-TYPE REGISTER SETTING Digits are 16-segment or 7- segment digits. Digit 14-segment ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 15. Initial Power-Up Register Status POWER-UP REGISTER CONDITION Decode Mode Decode mode enabled Global Intensity 1/16 (min on) Scan Limit Display 8 digits ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 16. Configuration Register Format REGISTER DATA MODE Configuration Register Table 18. Blink Rate Selection (B Data Bit ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 23. Global Intensity (I Data Bit D6) Format MODE Intensity for all digits is controlled by one setting in the global intensity register. Intensity for ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 27. Individual Segment Intensity Registers REGISTER ADDRESS FUNCTION CODE (HEX) Intensity10 Register 0x10 Intensity32 Register 0x11 Intensity54 Register 0x12 Intensity76 Register 0x13 Intensity10a Register 0x14 ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 29. Odd Individual Segment Intensity Format TYPICAL DUTY SEGMENT 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 ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 32. Port Configuration Register Format ADDRESS MODE CODE (HEX) GPIO 0x06 Configuration Register PORT ALLOCATION OPTIONS 0 Keys Scanned 0x06 8 Keys Scanned 0x06 16 ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 34. Key Debounced Register Format KEY ADDRESS DEBOUNCED CODE REGISTER (HEX) D7 Key_A Debounced 0x88 SW_A7 Register Key_B Debounced 0x89 SW_B7 Register Key_C Debounced 0x8A ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 37. Slot 1 Configuration ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 38. Slot 2 Configuration ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 39. Slot 3 Configuration ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 40. Slot 4 Configuration ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan 3. 47μF 100nF O3 GND GND O4 GND O5 O6 MAX6954 O10 CLK O11 DIN O12 DOUT ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan 3. 47μF 100nF GND GND GND MAX6954 CLK DIN DOUT CS BLINK OSC_OUT OSC ISET 22pF 56kΩ ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan TOP VIEW DOUT 4 33 OSC_OUT CLK 5 32 BLINK DIN 6 31 O18 ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Package Information For the latest package outline information and land patterns www.maxim-ic.com/packages. PACKAGE TYPE PACKAGE CODE 36 SSOP A36-2 40 PDIP P40-2 40 TQFN ...
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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. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 39 © 2009 Maxim Integrated Products DESCRIPTION Maxim is a registered trademark of Maxim Integrated Products, Inc ...