2.1 Configuration Summary

Table 2-1. Configurations and Peripherals of PIC32CM1216PL10
Peripheral	64-Pin Package	48-Pin Package	32-Pin Package	28-Pin Package
Maximum CPU frequency	24 MHz
SysTick timer	1
Serial Wire Debug Interface	Yes
Oscillators	32.768 kHz crystal oscillator (XOSC32K)
	32.768 kHz internal oscillator (OSC32K)
	24 MHz high-accuracy internal oscillator (OSCHF)
Generic Clock - GCLK	4
DMA channels	2
Event System channels	4
I/O Pins⁽¹⁾	56/55	42/41	27/26	23/22
External Interrupt lines	16 and one non-maskable interrupt (NMI)	16 and one non-maskable interrupt (NMI)	15 and one non-maskable interrupt (NMI)	13 and one non-maskable interrupt (NMI)
Serial Communication (SERCOM) Interfaces/of which I²C is supported	2/1	2/1	2/1	2/1
Timer Counter (TC)	3
Waveform outputs/Capture inputs channels per TC instance	2
TC maximum and minimum capture	Yes
Timer Counter for Control (TCC)/number of waveform output channels	1/4
Configurable Custom Logic (CCL)/number of LUTs	1/4
Analog-to-Digital Converter (ADC)/channels	1/29	1/25	1/20	1(16)
Analog Comparators (AC)	2
Real-Time Counter (RTC)	1
RTC alarms	1
RTC compare values	One 32-bit value or two 16-bit values
Watchdog Timer (WDT)	Yes
CRC32 computation for memories in DMAC	Yes (SRAM, Flash)
Brown-Out Detection - BOD	VDD, VDDCORE
Peripheral Touch Controller (PTC)/channels	1/29	1/25	1/20	1(16)

Note: