80186 IP
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80186XL 16-bit microprocessor
- Programmable Timer / Counter Unit
- Three programmable independent 16-bit timers
- Internal / external input clock selectable
- Direct Memory Access Unit
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80186EC 16-bit microprocessor
- Interrupt Controller Unit
- Edge trigger / level trigger selectable
- Individually maskable interrupt requests
- Programmable interrupt request priority orders
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80188XL 16-bit microprocessor
- 80188XL CPU Core
- Multiplexed 20-bit address and 8-bit data bus
- 1M-byte memory space divided into 4 segments
- 64K-byte IO space