[CYGNAL]

ANALOG PERIPHERALS

Two Comparators

- Programmable Hysteresis
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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
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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
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MEMORY

- 256 Bytes Data RAM
- 8k Bytes FLASH; In-System Programmable in 512 byte Sectors

DIGITAL PERIPHERALS

- 32 Port I/O (All 5V tolerant with High Sink Current)
- Hardware SPITM and UART Serial Ports Available Concurrently
- Three General Purpose 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