May 21, 2013

Microchip PIC12LF1840T48A Integrates XLP PIC MCU with Sub-GHz RF Transmitter

Microchip Technology introduced their PIC12LF1840T48A single-chip devices. The PIC12LF1840T48A integrates an eXtreme Low Power (XLP), 8-bit PIC microcontroller with a sub-GHz RF transmitter. The Microchip PIC12LF1840T48A is optimized to run Microchip’s royalty-free KEELOQ advanced code-hopping technology. The new device family is available in a 14-pin TSSOP package. It is priced at $1.06 each in 10,000-unit quantities. Samples are available now. Volume production is expected in January.

The Microchip PIC12LF1840T48A is designed to maximize battery life via an extremely low operating voltage of 1.8V. In addition, the eXtreme microcontroller has extremely low sleep current consumption. The XLP microcontroller is efficiently integrated with the transmitter to enable fast wake-up and send functionality that takes full advantage of the MCU’s 8 MIPS operation.

The PIC12LF1840T48A is optimized for secure wireless communication. It is ideal for space-, power- and cost-constrained applications, such as remote keyless entry fobs for automobiles, garage doors and home security systems, as well as a broad range of other home and building automation systems.

Microchip PIC12LF1840T48A Features
  • Enhanced Mid-range Core with 49 Instruction, 16 Stack Levels
  • Flash Program Memory with self read/write capability
  • Internal 32MHz oscillator
  • Data Signal Modulator Module
  • MI2C, SPI, EUSART w/auto baud
  • ECCP (Enhanced/Capture Compare PWM) Module
  • Comparator with selectable Voltage Reference
  • 4 Channel 10b ADC with Voltage Reference
  • 25mA Source/Sink current I/O
  • Two 8-bit Timers (TMR0/TMR2)
  • One 16-bit Timer (TMR1)
  • Extended Watchdog Timer (EWDT)
  • Enhanced Power-On/Off-Reset
  • Brown-Out Reset (BOR)
  • In Circuit Serial Programming (ICSP)
  • On Board In-Circuit Debug
  • Fully Integrated Transmitter
  • FSK Operation up to 100 kbps
  • OOK Operation up to 10 kbps
  • Operation in 418, 434 and 868 MHz Bands
  • 8 Selectable center frequencies
  • +10 dBm or 0 dBm Configurable Output Power
  • Up to 100 kbps bit rate in FSK, 10 kbps bit rate in OOK
  • Standby Current: – 30 nA @ 3.0V, typical, RF off – 530 nA @ 3.0V, typical, RF Sleep
  • Operating Current: – 0.67 mA @ 8 MHz, 3.0V, RF off, typical – 9.67 mA @ 8 MHz, 3.0V, RF on at 0 dBm, typical – 17.17 mA @ 8 MHz, 3.0V, RF on at 10 dBm, typical
  • Low-Power Watchdog Timer Current: – 500 nA @ 3.0V, typical
More info: Microchip Technology


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