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E86TM family 80C186- and 80C188-compatible microcontrollers with enhanced bus interface
- Lower system cost with high performance
- 3.3-V 0.3-V operation with 5-V tolerant I/O
Memory integration
- 32 Kbyte of internal SRAM
- Internal SRAM provides same performance as zero-wait-state external memory
High performance
- 25-, 33-, 40- and 50-MHz operating frequencies
- Supports zero-wait-state operation at 50 MHz with 55-ns external memory
- 1-Mbyte memory address space
- 64-Kbyte I/O space
Enhanced features provide faster access to memory and various clock input modes
- Nonmultiplexed address bus provides glueless interface to external RAM and ROM
- Phase-locked loop (PLL) enables processor to operate at up to four times clock input frequency
Enhanced integrated peripherals
- Thirty-two programmable I/O (PIO) pins
- Asynchronous serial port allows full-duplex, 7-bit or 8-bit data transfers
- DMA to and from asynchronous serial port
- Synchronous serial interface allows half-duplex, bidirectional data transfer to and from ASICs
- Reset configuration register
- Additional external interrupts
- Hardware watchdog timer can generate NMI or system reset
- Pseudo static RAM (PSRAM) controller includes auto refresh capability
Familiar 80C186 / 80C188 peripherals with enhanced functionality
- Two independent DMA channels
- Programmable interrupt controller with six external interrupts
- Three programmable 16-bit timers
- Programmable memory and peripheral chip-select logic
- Programmable wait state generator
- Power-save clock mode
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