Analog Peripherals

10-Bit ADC

- ±1 LSB INL; no missing codes

- Programmable throughput up to 200 ksps

- Up to 21 external inputs; programmable as single-ended or differential

- Data-dependent windowed interrupt generator

- Built-in temperature sensor (±3 °C)

Two Comparators

- Programmable hysteresis and response time

- Configurable to generate interrupts or reset

- Low current (0.4 μA)

POR/Brown-out Detector

On-Chip Debug

- On-chip debug circuitry facilitates full speed, non-intrusive in-system debug (no emulator required)

- Provides breakpoints, single stepping

- Inspect/modify memory and registers

- Superior performance to emulation systems using ICE-chips, target pods, and sockets

Supply Voltage: 2.7 to 3.6 V

- Typical Operating Current: 7 mA at 25 MHz

15 μA at 32 kHz

- Typical Stop Mode Current: <0.1 μA

High-Speed 8051 μC Core

- Pipelined instruction architecture; executes 70 of instructions in 1 or 2 system clocks

- Up to 25 MIPS throughput with 25 MHz system clock

- Expanded interrupt handler

Memory

- 1280 bytes data RAM

- 16 kB Flash; in-system programmable in 512-byte sectors (512 bytes are reserved)

Digital Peripherals

- 29 port I/O; all are 5 V tolerant

- Hardware SMBus? (I2C? compatible), SPI?, and UART serial ports available concurrently

- Programmable 16-bit counter/timer array with five capture/compare modules, WDT

- 4 general-purpose 16-bit counter/timers

- Realtime clock mode using timer or PCA

Clock Sources

- Internal oscillator: 24.5 MHz, 2 accuracy supports UART operation

- External oscillator: Crystal, RC, C, or Clock (1 or 2 pin modes)

- Can switch between clock sources on-the-fly

32-Pin LQFP

Temperature Range: –40 to +85 °C