Microchip Technology DM163025-1 Data Sheet

 2012 Microchip Technology Inc.

DS30684A-page 1

• USB V2.0 Compliant
• Crystal-less Full Speed (12 Mb/s) and Low-Speed 

Operation (1.5 Mb/s)

• Supports Control, Interrupt, Isochronous and Bulk 

Transfers

• Supports up to 32 Endpoints (16 Bidirectional)
• 1 Kbyte Dual Access RAM for USB
• On-Chip USB Transceiver

• 3x and 4xPLL Clock Multipliers
• Two External Clock modes, Up to 48 MHz (12 

MIPS)

• Internal 31 kHz Oscillator
• Internal Oscillator, 31 kHz to 16 MHz

- Factory calibrated to ± 1%
- Self-tune to ± 0.20% max. from USB or 

secondary oscillator

• Secondary Oscillator using Timer1 @ 32 kHz
• Fail-Safe Clock Monitor:

- Allows for safe shutdown if any clock stops

• Up to 33 I/O pins plus 3 Input-Only Pins:

- High-current Sink/Source 25 mA/25 mA
- Three programmable external interrupts
- 11 programmable interrupts-on-change
- 9 programmable weak pull-ups
- Programmable slew rate

• SR  Latch
• Enhanced Capture/Compare/PWM (ECCP) 

module:
- One, two or four PWM outputs
- Selectable polarity
- Programmable dead time
- Auto-shutdown and auto-restart
- Pulse steering control

• Capture/Compare/PWM (CCP) module
• Master Synchronous Serial Port (MSSP) module 

Supporting 3-Wire SPI (all 4 modes) and I

2

C™ 

Master and Slave modes

• Two Analog Comparators with Input Multiplexing
• 10-Bit Analog-to-Digital (A/D) Converter module:

- Up to 25 input channels
- Auto-acquisition capability
- Conversion available during Sleep

• Digital-to-Analog Converter (DAC) module:

- Fixed Voltage Reference (FVR) with 1.024V, 

2.048V and 4.096V output levels

- 5-bit rail-to-rail resistive DAC with positive 

and negative reference selection

• High/Low-Voltage Detect module
• Charge Time Measurement Unit (CTMU):

- Supports capacitive touch sensing for touch 

screens and capacitive switches

• Enhanced USART module:

- Supports RS-485, RS-232 and LIN/J2602
- Auto-wake-up on Start bit
- Auto-Baud Detect

• Sleep mode: 20 nA, typical
• Watchdog Timer: 300 nA, typical
• Timer1 Oscillator: 800 nA @ 32 kHz
• Peripheral Module Disable

• Low-Power, High-Speed CMOS Flash Technology
• C Compiler Optimized Architecture for Re-Entrant 

Code

• Power Management Features:

- Run: CPU on, peripherals on, SRAM on
- Idle: CPU off, peripherals on, SRAM on
- Sleep: CPU off, peripherals off, SRAM on

• 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 Programming™ 

(ICSP™) via Two Pins

• In-Circuit Debug (ICD) with Three Breakpoints via 

Two Pins

• Optional dedicated ICD/ICSP Port (44-pin TQFP 

Package Only)

• Wide Operating Voltage Range:

- F devices: 2.3V to 5.5V
- LF devices: 1.8V to 3.6V

• Flash Program Memory of 10,000 Erase/Write 

Cycles Minimum and 20-year Data Retention