MAX6955ATL+T Maxim Integrated Products, MAX6955ATL+T Datasheet
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MAX6955ATL+T
Specifications of MAX6955ATL+T
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MAX6955ATL+T Summary of contents
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... Denotes a lead-free package. Pin Configurations and Typical Operating Circuits appear at end of data sheet. SPI is a trademark of Motorola, Inc. ________________________________________________________________ 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. o 400kbps 2-Wire I o 2.7V to 5.5V Operation ...
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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 SCL, SDA, AD0, AD1 ...........................................-0.3V to +6V All Other Pins............................................-0.3V to (V+ + 0.3V) ...
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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 Circuit 2.7V to 5.5V, T PARAMETER SYMBOL Segment Drive Source Current ∆I Segment Current Slew Rate Segment Drive ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan TIMING CHARACTERISTICS (Typical Operating Circuit 2.7V to 5.5V, T PARAMETER TIMING CHARACTERISTICS Serial Clock Frequency Bus Free Time Between a STOP and a START ...
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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 INTERNAL OSCILLATOR FREQUENCY vs. TEMPERATURE 4 56kΩ SET C = 22pF SET ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan PIN NAME SSOP TQFN-EP General-Purpose I/O Ports (GPIOs). GPIO can be configured as logic inputs or open-drain 1, 2, 36, 37, outputs. Enabling key scanning configures ...
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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. MAX6955 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 SDA t SU, DAT t LOW SCL t HIGH t HD, STA START CONDITION Figure 2. 2-Wire Serial Interface Timing Details SDA ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 5. MAX6955 Address Map PIN CONNECTION DEVICE ADDRESS AD1 AD0 GND GND GND GND SDA ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan The data in the digit registers does not control the digit segments directly for 14- and 16-segment displays. Instead, the register data is used to address ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan range. The first 16 characters of the 16-segment ROM map cover 7-segment displays. These 16 characters are numeric and characters ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 7. 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 7. 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 7. 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 COMMAND BYTE IS STORED ON RECEIPT OF STOP CONDITION ACKNOWLEDGE FROM MAX6955 S SLAVE ADDRESS Figure 7. Command Byte Received HOW CONTROL BYTE AND DATA BYTE ...
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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 LED OUTPUT LED OUTPUT LED OUTPUT LED OUTPUT LED ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Key Debounced Registers The Key_A debounced, Key_B debounced, Key_C debounced, and Key_D debounced read-only registers (Table 35) show which keys have been detected as debounced by ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Choosing Supply Voltage to Minimize Power Dissipation The MAX6955 drives a peak current of 40mA into LEDs with a 2.2V forward-voltage drop when operated from a ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 8. 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 10. 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 12. 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 14. 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 16. 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 17. Configuration Register Format REGISTER DATA MODE Configuration Register Table 19. 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 24. 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 28. 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 30. Odd Individual Segment Intensity Format TYPICAL DUTY SEGMENT CYCLE 1/16 (min on) 2.5 2/16 ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 33. 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 35. Key Debounced Register Format (Read Only) KEY ADDRESS DEBOUNCED CODE REGISTER (HEX) D7 Key_A Debounced 0x08 SW_A7 Register Key_B Debounced 0x09 SW_B7 Register Key_C ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 38. Slot 1 Configuration ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 39. Slot 2 Configuration ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 40. Slot 3 Configuration ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan Table 41. 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 GND GND GND MAX6955 SCL AD0 AD1 SDA BLINK OSC_OUT OSC ISET C SET R SET ...
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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 MAX6955 SCL SCL AD0 AD0 AD1 AD1 SDA SDA BLINK OSC_OUT OSC ISET C SET R SET ...
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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 MAX6955 SCL AD0 AD1 SDA BLINK OSC_OUT OSC ISET C SET R SET SW00 O0 SW01 O1 ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan TOP VIEW AD0 3 SDA 4 SCL 5 AD1 MAX6955 ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages TOP ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) ______________________________________________________________________________________ Package Information ...
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Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) 42 ______________________________________________________________________________________ Package ...
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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 ____________________ 43 © 2008 Maxim Integrated Products DESCRIPTION is a registered trademark of Maxim Integrated Products, Inc ...