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PIC18F44J50-I Datasheet, PDF (3/562 Pages) Microchip Technology – 28/44-Pin, Low-Power, High-Performance USB Microcontrollers | |||
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PIC18F46J50 FAMILY
28/44-Pin, Low-Power, High-Performance USB Microcontrollers
Power Management Features with
nanoWatt XLP⢠for Extreme Low-Power:
⢠Deep Sleep mode: CPU off, Peripherals off,
Currents Down to 13 nA and 850 nA with RTCC:
- Able to wake-up on external triggers,
programmable WDT or RTCC alarm
- Ultra Low-Power Wake-up (ULPWU)
⢠Sleep mode: CPU off, Peripherals off, SRAM on,
Fast Wake-up, Currents Down to 105 nA, Typical
⢠Idle: CPU off, Peripherals on, Currents Down to
2.3 ïA, Typical
⢠Run: CPU on, Peripherals on, Currents Down to
6.2 ïA, Typical
⢠Timer1 Oscillator w/RTCC: 1 ïA, 32 kHz, Typical
⢠Watchdog Timer: 0.8 µA, 2V, Typical
Special Microcontroller Features:
⢠Low-Power, High-Speed CMOS Flash Technology
⢠C Compiler Optimized Architecture for Re-Entrant Code
⢠Priority Levels for Interrupts
⢠Self-Programmable under Software Control
⢠8 x 8 Single-Cycle Hardware Multiplier
⢠Extended Watchdog Timer (WDT):
- Programmable period from 4 ms to 131s
⢠Single-Supply In-Circuit Serial Programmingâ¢
(ICSPâ¢) via two pins
⢠In-Circuit Debug (ICD) w/Three Breakpoints via 2 Pins
⢠Operating Voltage Range of 2.0V to 3.6V
⢠On-Chip 2.5V Regulator
⢠Flash Program Memory of 10,000 Erase/Write
Cycles Minimum and 20-Year Data Retention
Universal Serial Bus (USB) Features
⢠USB V2.0 Compliant
⢠Full Speed (12 Mbps) and Low Speed (1.5 Mbps)
⢠Supports Control, Interrupt, Isochronous and Bulk
Transfers
⢠Supports up to 32 Endpoints (16 bidirectional)
⢠USB module can use any RAM Location on the
Device as USB Endpoint Buffers
⢠On-Chip USB Transceiver with Crystal-less operation
Flexible Oscillator Structure:
⢠High-Precision Internal Oscillator (±0.15% typ.) for USB
⢠Two External Clock modes, up to 48 MHz (12 MIPS)
⢠Low-Power, 31 kHz Internal RC Oscillator
⢠Tunable Internal Oscillator (31 kHz to 8 MHz, or
up to 48 MHz with PLL)
⢠Secondary Oscillator using Timer1 @ 32 kHz
⢠Fail-Safe Clock Monitor:
- Allows for safe shutdown if any clock stops
⢠Two-Speed Oscillator Start-up
⢠Programmable Reference Clock Output Generator
Peripheral Highlights:
⢠Peripheral Pin Select:
- Allows independent I/O mapping of many
peripherals
- Continuous hardware integrity checking and
safety interlocks prevent unintentional
configuration changes
⢠Hardware Real-Time Clock and Calendar (RTCC):
- Provides clock, calendar and alarm functions
⢠High-Current Sink/Source 25 mA/25 mA
(PORTB and PORTC)
⢠5.5V Tolerant Inputs (digital only pins)
⢠Four Programmable External Interrupts
⢠Four Input Change Interrupts
⢠Two Enhanced Capture/Compare/PWM (ECCP)
modules:
- One, two or four PWM outputs
- Selectable polarity
- Programmable dead time
- Auto-shutdown and auto-restart
- Pulse steering control
⢠Two Master Synchronous Serial Port (MSSP)
modules Supporting Three-Wire SPI (all four
modes) and I2C⢠Master and Slave modes
⢠Full-Duplex Master/Slave SPI DMA Engine
⢠8-Bit Parallel Master Port/Enhanced Parallel
Slave Port
⢠Two-Rail â Rail Analog Comparators with Input
Multiplexing
⢠10-Bit, up to 13-Channel Analog-to-Digital (A/D)
Converter module:
- Auto-acquisition capability
- Conversion available during Sleep
- Self-calibration
⢠High/Low-Voltage Detect module
⢠Charge Time Measurement Unit (CTMU):
- Supports capacitive touch sensing for touch
screens and capacitive switches
- Provides a precise resolution time measure-
ment for both flow measurement and simple
temperature sensing
⢠Two Enhanced USART modules:
- Supports RS-485, RS-232 and LIN/J2602
- Auto-Wake-up on Start bit
⢠Auto-Baud Detect
ï£ 2011 Microchip Technology Inc.
DS39931D-page 3
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