1.3 Details on Individual Family Members

The devices of the PIC16(L)F184XX family described in the current data sheet are available in 14/20-pin packages. The block diagram for this device is shown in Figure 1-1.

The devices have the following differences:

  1. Program Flash Memory.
  2. Data Memory SRAM.
  3. Data Memory EEPROM.
  4. A/D channels.
  5. I/O ports.
  6. Enhanced USART.
  7. Input Voltage Range/Power Consumption.

All other features for devices in this family are identical. These are summarized in the following “Device Features” table.

The pinouts for all devices are listed in the pin summary tables.

Table 1-1. Device Features
FeaturesPIC16(L)F18425PIC16(L)F18445
Program Memory (KBytes)1414
Program Memory (Instructions)81928192
Data Memory (Bytes)10241024
Data EEPROM Memory (Bytes)256256
Packages

14 - PDIP

14 - SOIC (3.9 mm)

14 - TSSOP

16 - UQFN (4x4)

20 - PDIP

20 - SOIC (7.5 mm)

20 - SSOP

20 - UQFN (4x4)

I/O PortsA, CA, B, C
Capture/Compare/PWM Modules (CCP)44
Configurable Logic Cell (CLC)44
10-Bit Pulse-Width Modulator (PWM)22
12-Bit Analog-to-Digital Module (ADC2) with Computation Accelerator11 channels17 channels
5-Bit Digital-to-Analog Module (DAC)11
Comparators22
Numerical Contolled Oscillator (NCO)11
Interrupt Sources4040
Timers (16-/8-bit)44
Serial Communications

2 MSSP

1 EUSART

2 MSSP

1 EUSART

Complementary Waveform Generator (CWG)22
Zero-Cross Detect (ZCD)11
Data Signal Modulator (DSM)11
Reference Clock Output Module11
Peripheral Pin Select (PPS)YESYES
Peripheral Module Disable (PMD)YESYES
Programmable Brown-out Reset (BOR)YESYES
Resets (and Delays)POR, BOR, RESET Instruction, Stack Overflow, Stack Underflow (PWRT, OST), MCLR, WDTPOR, BOR, RESET Instruction, Stack Overflow, Stack Underflow (PWRT, OST), MCLR, WDT
Instruction Set

50 instructions

16-levels hardware stack

50 instructions

16-levels hardware stack

Operating FrequencyDC – 32 MHzDC – 32 MHz
Figure 1-1. PIC16(L)F18425/45 Device Block Diagram
Note:
  1. See applicable chapters for more information on peripherals.
  2. PORTB available only on 20-pin or higher pin-count devices.