Analog Peripherals
- 24 or 16-Bit ADC
• No missing codes
• 0.0015% nonlinearity
• Programmable conversion rates up to 1 ksps
• 8-Input multiplexer
• 1x to 128x PGA
• Built-in temperature sensor
- Two 8-Bit Current Output DACs
- Comparator
• Programmable hysteresis and response time
• Configurable as interrupt or reset source
• Low current (0.4 μA)
On-chip Debug
- On-chip debug circuitry facilitates full speed, nonintrusive
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
- Low Cost, Complete Development Kit
Supply Voltage 2.7 to 3.6 V
- Typical operating current: 5.8 mA @ 25 MHz;
11 μA @ 32 kHz
- Typical stop mode current: 0.1 μA
Temperature Range: –40 to +85 °C
High Speed 8051 μC Core
- Pipelined Instruction architecture; executes 70% of
instructions in 1 or 2 system clocks
- Up to 50 MIPS throughput
- Expanded interrupt handler
Memory
- 768 Bytes (256 + 512) On-Chip RAM
- 8 kB Flash; In-system programmable in 512-byte
Sectors
Digital Peripherals
- 17 Port I/O; All 5 V tolerant with high sink current
- Enhanced UART, SMBus™, and SPI™ Serial Ports
- Four general purpose 16-bit counter/timers
- 16-bit programmable counter array (PCA) with three
capture/compare modules
- Real time clock mode using PCA or timer and external
clock source
Clock Sources
- Internal Oscillator: 24.5 MHz with ± 2% accuracy
supports UART operation
- External Oscillator: Crystal, RC, C, or clock 
(1 or 2 pin modes)
- Clock multiplier to achieve 50 MHz internal clock
- Can switch between clock sources on-the-fly
28-Pin QFN or 32-Pin LQFP Package
- 5 x 5 mm PCB footprint with 28-QFN