Features
Single cycle 8051 CPU core
DC to 48 MHz operation
Multiply and divide instructions
Flash program memory, up to 64 KB, 100,000 write cycles,
20 years retention, multiple security features
Up to 8 KB Flash ECC or configuration storage
Up to 8 KB SRAM memory
Up to 2 KB EEPROM memory, 1M cycles, 20 years retention
24 channel DMA with multilayer AHB bus access
Programmable chained descriptors and priorities
High bandwidth 32-bit transfer support
Low voltage, ultra low power
Wide operating voltage range: 0.5V to 5.5V
High efficiency boost regulator from 0.5V input to 1.8V-5.0V
output
0.8 mA at 3 MHz, 1.2 mA at 6 MHz, 6.6 mA at 48 MHz
Low power modes including:
1 霢 sleep mode with real time clock and low voltage detect
(LVD) interrupt
200 nA hibernate mode with RAM retention
Versatile I/O system
28 to 72 I/O (62 GPIO, 8 SIO, 2 USBIO[1])
Any GPIO to any digital or analog peripheral routability
LCD direct drive from any GPIO, up to 46x16 segments[1]
CapSense? support from any GPIO[4]
1.2V to 5.5V I/O interface voltages, up to 4 domains
Maskable, independent IRQ on any pin or port
Schmitt trigger TTL inputs
All GPIO configurable as open drain high/low, pull up/down,
High-Z, or strong output
Configurable GPIO pin state at power on reset (POR)
25 mA sink on SIO
Digital peripherals
16 to 24 programmable PLD based Universal Digital Blocks
Full CAN 2.0b 16 RX, 8 TX buffers[1]
Full-speed (FS) USB 2.0 12 Mbps using internal oscillator[1]
Up to four 16-bit configurable timer, counter, and PWM blocks
Library of standard peripherals
8, 16, 24, and 32-bit timers, counters, and PWMs
SPI, UART, I2C
Many others available in catalog
Library of advanced peripherals
Cyclic Redundancy Check (CRC)
Pseudo Random Sequence (PRS) generator
LIN Bus 2.0
Quadrature decoder
Analog peripherals (1.71V ? Vdda ? 5.5V)
1.024V±0.9% internal voltage reference across -40°C to
+85°C (14 ppm/°C)
Configurable Delta-Sigma ADC with 12-bit resolution
Programmable gain stage: x0.25 to x16
12-bit mode, 192 ksps, 70 dB SNR, 1 bit INL/DNL
Two 8-bit, 8 Msps IDACs or 1 Msps VDACs
Four comparators with 75 ns response time
Two uncommitted opamps with 25 mA drive capability
Two configurable multifunction analog blocks. Example configurations
are PGA, TIA, Mixer, and Sample and Hold
CapSense support
Programming, debug, and trace
JTAG (4 wire), Serial Wire Debug (SWD) (2 wire), and Single
Wire Viewer (SWV) interfaces
8 address and 1 data breakpoint
4 KB instruction trace buffer
Bootloader programming supportable through I2C, SPI,
UART, USB, and other interfaces
Precision, programmable clocking
3 to 45 MHz internal oscillator over full temperature and voltage
range
4 to 33 MHz crystal oscillator for crystal PPM accuracy
Internal PLL clock generation up to 48 MHz
32.768 kHz watch crystal oscillator
Low power internal oscillator at 1, 33, and 100 kHz
Temperature and packaging
-40°C to +85°C degrees industrial temperature
48-pin SSOP, 48-pin QFN, 68-pin QFN, and 100-pin TQFP
package options