Rainbow-electronics MAX6959 Manual do Utilizador

General DescriptionThe MAX6958/MAX6959 compact multiplexed com-mon-cathode display drivers interface microprocessorsto seven-segment numeric LED digit

MAX6958/MAX6959The digit registers and segments register use 1 bit toset the state of one segment. Each bit is high to turn asegment on, or low to tur

MAX6958/MAX69592-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan_____________________________________________________

MAX6958/MAX6959Configuration RegisterUse the configuration register to enter and exit shut-down, check device type, and globally clear the digitdata (

MAX6958/MAX69592-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan_____________________________________________________

MAX6958/MAX6959Ports and Key Scanning (MAX6959 Only)The MAX6959 features two input ports, INPUT1 andINPUT2. These two ports can be used as general-pur

pullup resistor from IRQ/SEG9 to a voltage no greaterthan 5.5V when configuring IRQ/SEG9 as an interruptor logic output.INPUT1 and INPUT2 can be indiv

MAX6958/MAX6959Key Debounced Register (MAX6959 Only)The key debounced register shows which keys havebeen detected as debounced by the keyscanning cir-

Computing Power DissipationDetermine the MAX6958/MAX6959 upper-limit powerdissipation (PD) with the following equation:PD= (V+ ✕ I+) + (V+ - VLED) (DU

MAX6958/MAX69592-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan18 __________________________________________________

MAX6958/MAX69592-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with KeyscanMaxim cannot assume responsibility for use of any cir

MAX6958/MAX69592-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan2 ___________________________________________________

MAX6958/MAX69592-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan_____________________________________________________

MAX6958/MAX69592-Wire Interfaced, 3V to 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan4 ___________________________________________________

Detailed DescriptionThe MAX6958/MAX6959 serially interfaced display dri-vers drive up to: four 7-segment digits plus four dis-crete LEDs if the decima

MAX6958/MAX6959Differences Between MAX6958 and MAX6959The MAX6958/MAX6959 have the same LED drivecapability, four common-cathode digits of nine seg-me

Bit TransferOne data bit is transferred during each clock pulse.The data on the SDA line must remain stable while SCLis high (Figure 4).AcknowledgeThe

MAX6958/MAX6959Bytes received after the command byte are data bytes.The first data byte goes into the internal register of theMAX6958/MAX6959 as selec

Operation with Multiple MastersIf the MAX6958/MAX6959 are operated on a 2-wireinterface with multiple masters, a master reading theMAX6958/MAX6959 sho