Microchip Technology PIC16F18154/55/74/75 Full-Featured MCUs

Microchip Technology PIC16F18154/55/74/75 Full-Featured Microcontrollers (MCUs) are well suited for low-cost, energy-efficient analog sensor applications with high-resolution requirements. The PIC16F18154/55/74/75 MCUs offer a suite of analog peripherals that enable precision sensor applications. These devices feature a memory range of 7KB to 28KB with speeds up to 32MHz in small form-factor 8- to 44-pin packages. The MCUs include a 12-bit differential Analog-to-Digital Converter with Computation (ADCC), two 8-bit Digital-to-Analog Converters (DACs), a 16-bit Pulse-Width Modulation (PWM) peripheral, and many more waveform control and communication peripherals.

Features

Compiler-optimized RISC architecture
Operating speeds
- DC to 32MHz clock input
- 125ns minimum instruction time
16-level deep hardware stack
Low-Current Power-on Reset (POR)
Configurable Power-up Timer (PWRT)
Brown-out Reset (BOR)
Low-Power Brown-out Reset (LPBOR)
Windowed Watchdog Timer (WWDT)
Memory
- Up to 28KB of program Flash memory
- Up to 2KB of data SRAM memory
- Up to 256 Bytes of data EEPROM memory
- Memory Access Partition (MAP) with program Flash memory partitioned into:
  - Application block
  - Boot block
  - Storage Area Flash (SAF) block
- Programmable code protection and write protection
- Device Information Area (DIA) stores
  - Temperature indicator calibration coefficients
  - Fixed Voltage Reference (FVR) measurement data
  - Microchip Unique Identifier (MUI)
- Device Characteristics Area (DCI) stores
  - Program/erase row sizes
  - Pin count details
- Direct, indirect, and relative addressing modes
Operating characteristics
- 1.8V to 5.5V operating voltage range
- Temperature ranges
  - -40°C to +85°C industrial range
  - -40°C to +125°C extended range
Power-saving functionalities
- In Doze, the CPU and peripherals run at different cycle rates (typically CPU is lower)
- In Idle, the CPU halts while peripherals operate
- Sleep
  - Lowest power consumption
  - Reduce system electrical noise while performing ADC conversions
- Peripheral Module Disable (PMD) selectively minimizes the active power consumption of unused peripherals
- Low power mode
  - <900nA (WDT enabled) and <600nA (WDT disabled) typical sleep current at 3V/+25°C
  - 48µA typical operating current at 32kHz, 3V/+25°C; <1mA typical at 4MHz, 5V/+25°C
Clocking structure
- High-Precision Internal Oscillator Block (HFINTOSC)
  - Selectable frequencies up to 32MHz
  - ±2% at calibration
  - Active clock tuning of HFINTOSC for improved accuracy
- Internal 31kHz oscillator (LFINTOSC)
- External 32kHz Secondary Oscillator (SOSC)
- External high-frequency clock input
  - 2x crystal/resonator modes
  - 2x External Clock (EC) power modes
  - 4x PLL available for external sources
- Fail-safe clock monitor allows for operational recovery if the external clock source stops
- Oscillator Start-up Timer (OST) ensures the stability of crystal oscillator sources
Programming/debug
- In-Circuit Serial Programming™ (ICSP™) via 2x pins
- In-Circuit Debug (ICD) with 3x breakpoints via 2x pins
- Debug integrated on-chip

Digital peripherals
- 2x Capture/Compare/PWM (CCP) modules
  - 16-bit resolution for Capture/Compare modes
  - 10-bit resolution for PWM mode
- Up to 4x Pulse-Width Modulators (PWM)
  - 16-bit resolution
  - Independent pulse outputs
  - External Reset Signal (ERS) inputs
- 4x Configurable Logic Cells (CLC) with integrated combinational and sequential logic
- 1x Complimentary Waveform Generator (CWG)
  - Rising and falling edge dead-band control
  - Full-bridge, half-bridge, 1-channel drive
  - Multiple signal sources
  - Programmable dead band
  - Fault-shutdown input
- 1x configurable 8/16-Bit timer (TMR0)
- 2x 16-bit timers (TMR1/3) with gate control
- Up to 3x 8-bit timers (TMR2/4/6) with Hardware Limit Timer (HLT)
- 1x Numerically Controlled Oscillator (NCO)
  - Generates true linear frequency control and increased frequency resolution
  - Input clock up to 64MHz
- Programmable CRC with memory scan
  - Reliable data/program memory monitoring for Fail-Safe operation (e.g., Class B)
  - Calculate 32-bit CRC over any portion of program Flash memory
- 2x Enhanced Universal Synchronous Asynchronous Receiver Transmitters (EUSART)
  - RS-232, RS-485, LIN compatible
  - Auto-wake-up on start
- 2x Host Synchronous Serial Ports (MSSPs)
  - Serial Peripheral Interface (SPI) mode with chip select synchronization
  - Inter-Integrated Circuit (I²C) mode with 7/10-bit addressing modes
- Peripheral Pin Select (PPS) enables pin mapping of the digital I/O
- Device I/O port
  - Up to 35x I/O pins
  - 1x input-only pin
  - Individual I/O direction, open drain, input threshold, slew rate, and weak pull-up control
  - Interrupt-on-Change (IOC) on up to 25x pins
  - 1x external interrupt pin
Analog peripherals
- Differential Analog-to-Digital Converter with Computation (ADCC)
  - 12-bit resolution
  - Up to 35x external positive input channels
  - Up to 17x external negative input channels
  - 7x internal input channels
  - Internal ADC oscillator (ADCRC)
  - Operates in sleep
  - Selectable Auto-Conversion Trigger (ACT) sources
- 2x 8-bit Digital-to-Analog Converters (DACs)
  - Output available on up to 2x I/O pins
  - Internal connections to ADC and comparators
- 2x Comparators (CMPs)
  - Up to 4x external inputs
  - Configurable output polarity
  - External output via peripheral pin select
- Zero-Cross Detect (ZCD) detects when the AC signal on the pin crosses the ground
- 2x Fixed Voltage References (FVRs)
  - Selectable 1.024V, 2.048V, and 4.096V output levels
  - FVR1 internally connected to ADC
  - FVR2 internally connected to the comparator