Am186EM–20KI\W
Designer	AMD
Manufacturer	AMD
Model Number	Am186EM–20KI\W
Part Number	Am186EM–20KI\W
Market	Embedded
Introduction	1995 (launch)
General information
Family	Am186Ex
Series	Am186EM
Frequency	20 MHz 0.02 GHz 20,000 kHz
Bus speed	5 MHz 0.005 GHz 5,000 kHz
Bus rate	5 MT/s 0.005 GT/s 5,000 kT/s
Microarchitecture
Microarchitecture	80186
Core name	Am186
Word size	16 bit 2 octets 4 nibbles
Core count	1
Max CPUs	1
Electrical
Vcore	5 V 50 dV 500 cV 5,000 mV ± 5%
Tcase	-40 °C 233.15 K -40 °F 419.67 °R  – 85 °C 358.15 K 185 °F 644.67 °R
Tstorage	-65 °C 208.15 K -85 °F 374.67 °R  – 125 °C 398.15 K 257 °F 716.67 °R
Max Memory	1 MiB 1,024 KiB 1,048,576 B 9.765625e-4 GiB 9.536743e-7 TiB
Pins
Pins	100
IRQ lines	6
I/O ports	32
Packaging
Package PQFP-100 (PQFP) Dimension 19.90 mm x 19.90 mm x 2.70 mm Pitch 0.65 mm Pin Count 100 Socket PQFP-100 (PQFP)

Am186EM–20KI\W is a microcontroller designed by AMD and introduced in 1995. This MCU incorporated the Am186 core which operated at 20 MHz. Additionally this chip included many other features such as 32 general purpose I/O lines, DMA controller, UART, and a watchdog timer. This model supports industrial temperature range.

Cache

Main article: 80186 § Cache

Cache Info [Edit Values]
L1$	0 KiB 0 B 0 MiB	1x0 KiB
L2$	0 KiB 0 MiB 0 B 0 GiB	1x0 KiB

Graphics

This chip had no integrated graphics processing unit.

Features

• Industrial temperature range
• Single clock input
• Interrupt Control Unit
• General Purpose DMA (2 independent channels)
• 3 x 16-bit timers
• Watchdog Timer
• UART
• 32x General Purpose IO
• Synchronous Serial Interface
• 6 x external interrupts

Documents

Datasheets

• Am186EM/EMLV; Publication #19168

Manuals

• Am186EM and Am188EM Microcontrollers User's Manual