[CYGNAL]

ANALOG PERIPHERALS

Two Comparators
- Programmable Hysteresis
- Configurable to Generate Interrupts or Reset

VDD Monitor and Brown-out Detector

ON-CHIP JTAG DEBUG
- On-Chip Debug Circuitry Facilitates Full Speed, Non-Intrusive In-System Debug (No Emulator Required!)
- Provides Breakpoints, Single Stepping, Watchpoints, Stack Monitor
- Inspect/Modify Memory and Registers
- Superior Performance to Emulation Systems Using ICE-Chips, Target Pods, and Sockets
- Low Cost, Complete Development Kit

SUPPLY VOLTAGE ......................2.7V to 3.6V
- Typical Operating Current: 9mA @ 25MHz
- Typical Stop Mode Current: <0.1uA

Temperature Range: –40°C to +85°C
48-Pin TQFP Package

8051-COMPATIBLE µC Core
- Pipelined Instruction Architecture; Executes 70% of Instructions in 1 or 2 System Clocks
- Up to 25MIPS Throughput with 25MHz Clock
- Expanded Interrupt Handler

MEMORY
- 1280 Bytes Internal Data RAM (256 + 1k)
- 8k Bytes FLASH; In-System Programmable in 512 byte Sectors

DIGITAL PERIPHERALS
- 32 Port I/O; All are 5V tolerant
- Hardware SPITM and UART Serial Ports Available Concurrently
- Three 16-bit Counter/Timers
- Dedicated Watch-Dog Timer
- Bi-directional Reset

CLOCK SOURCES
- Internal Programmable Oscillator: 2-to-16MHz
- External Oscillator: Crystal, RC, C, or Clock
- Can Switch Between Clock Sources on-the-fly; Useful in Power Saving Modes