MAXQ61H Maxim, MAXQ61H Datasheet
MAXQ61H
Related parts for MAXQ61H
MAXQ61H Summary of contents
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... RISC microcontroller and integrated peripherals including an IR module with carrier frequency genera- tion and flexible port I/O capable of multiplexed keypad control. The MAXQ61H includes 36KB of ROM memory and 1.28KB of data SRAM. For the ultimate in low-power battery-operated perfor- mance, the MAXQ61H includes an ultra-low-power stop mode (0.2µ ...
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... Microcontroller with Infrared Module Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Recommended DC Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Detailed Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Microprocessor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Stack Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Utility ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Watchdog Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 IR Carrier Generation and Modulation Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 Carrier Generation Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 IR Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 IR Transmit—Independent External Carrier and Modulator Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 IR Receive ...
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Microcontroller with Infrared Module Figure 1. IR Transmit Frequency Shifting Example (IRCFME = ...
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... Operating Temperature Range...............................0°C to +70°C Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability ...
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Microcontroller with Infrared Module RECOMMENDED DC OPERATING CONDITIONS (continued 3.6V 0°C to +70°C.) (Note 1) DD RST A PARAMETER SYMBOL Input High Voltage for HFXIN V IH_HFXIN IRRX Input Filter Pulse-Width t IRRX_R ...
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... Note 6: The power-check interval (PCI) can be set to always on, 1024, 2048, or 4096 nanopower ring oscillator clock cycles. Note 7: Current consumption during POR when powering up while V Note 8: The minimum amount of time that V Note 9: The maximum total current maximum specified voltage drop. This does not include the IRTX output. 6 _______________________________________________________________________________________ CONDITIONS f ...
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Microcontroller with Infrared Module PIN NAME 15 Supply Voltage DD Regulator Capacitor. This pin must be connected to ground through a 1.0μF external ceramic- chip capacitor in series with resistor. The capacitor must ...
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Microcontroller with Infrared Module PIN NAME General-Purpose, Digital, I/O, Type-D Port; External Edge-Selectable Interrupt. These port pins function as bidirectional I/O pins or as interrupts. All port pins default to high-impedance mode after a reset. Software must configure these ...
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... At the heart of the MAXQ61H is the MAXQ 16-bit RISC core. The MAXQ61H operates from DC to 12MHz and almost all instructions execute in a single clock cycle (83 ...
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Microcontroller with Infrared Module A 16-bit-wide internal stack provides storage for program return addresses and can also be used as general-pur- pose data storage. The stack is used automatically by the processor when the CALL, RET, and RETI instruc- ...
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Microcontroller with Infrared Module carrier generation module uses the 16-bit IR Carrier register (IRCA) to define the high and low time of the carrier through the IR carrier high byte (IRCAH) and IR carrier low byte (IRCAL). The carrier ...
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Microcontroller with Infrared Module IRCA IRCA = 0202h IRMT IRMT = 3 CARRIER OUTPUT (IRV) IRDATA INTERRUPT IRTX IRTXPOL = 1 IRTX IRTXPOL = 0 Figure 1. IR Transmit Frequency Shifting Example (IRCFME = 0) IRCLK ...
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Microcontroller with Infrared Module IRMT = 3 CARRIER OUTPUT (IRV IRDATA INTERRUPT IRTX IRTXPOL = 1 IRTX IRTXPOL = 0 Figure 3. IR Transmission Waveform (IRCFME = 0) IR Transmit—Independent External Carrier ...
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Microcontroller with Infrared Module IRTXM IRTXPOL = 1 IRTXM IRTXPOL = 0 IRDATA INTERRUPT IRV INTERVAL IRMT IRMT Figure 4. External IRTXM (Modulator) Output CARRIER GENERATION IRCLK IRCAH + 1 IRCAL + 1 IRRX PIN EDGE ...
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... IRV = CARRIER CYCLE COUNTING 7 16-Bit Timers/Counters The MAXQ61H provides two timers/counters that sup- port the following functions: • 16-bit timer/counter • 16-bit up/down autoreload • Counter function of external pulse • 16-bit timer with capture • ...
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... The lowest power mode of operation for the MAXQ61H is stop mode. In this mode, CPU state and memories are preserved, but the CPU is not actively running. ...
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Microcontroller with Infrared Module However, in the event that V DD level, a POR is generated. The power-fail monitor is enabled prior to stop mode exit and before code exe- cution begins power-fail warning condition (V V ...
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Microcontroller with Infrared Module Table 2. Power-Fail Detection States During Normal Operation INTERNAL STATE POWER-FAIL REGULATOR A On Off Off (Periodically ...
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Microcontroller with Infrared Module V t < PFW V RST B V POR STOP INTERNAL RESET (ACTIVE HIGH) Figure 9. Stop Mode Power-Fail Detection States with Power-Fail Monitor Enabled Table 3. Stop Mode Power-Fail Detection ...
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Microcontroller with Infrared Module PFW B V RST V POR STOP INTERNAL RESET (ACTIVE HIGH) INTERRUPT Figure 10. Stop Mode Power-Fail Detection with Power-Fail Monitor Disabled Table 4. Stop Mode Power-Fail Detection States with Power-Fail ...
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... The user’s guides offer detailed information about device features and opera- tion. The following documents can be downloaded from www.maxim-ic.com/microcontrollers. • This MAXQ61H data sheet, which contains electrical/ or below GND. DD timing specifications and pin descriptions. • The MAXQ61H revision-specific errata sheet (www.maxim-ic.com/errata). • ...
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... JTAG-to-serial converters for programming and Support debugging A partial list of development tool vendors can be found at www.maxim-ic.com/MAXQ_tools. Technical support is available at ic.com/micro P2.5/TDI P2.7/TDO 28 RESET MAXQ61H GND 30 *EP 31 IRTX + 32 IRRX THIN QFN × ...
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... Pin Description and Pin Configuration 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. ...