Am186ER–25VC\W
Designer	AMD
Manufacturer	AMD
Model Number	Am186ER–25VC\W
Part Number	Am186ER–25VC\W
Market	Embedded
Introduction	1996 (launch)
General information
Family	Am186Ex
Series	Am186ER
Frequency	25 MHz 0.025 GHz 25,000 kHz
Bus speed	6.25 MHz 0.00625 GHz 6,250 kHz
Bus rate	6.25 MT/s 0.00625 GT/s 6,250 kT/s
Microarchitecture
Microarchitecture	80186
Core name	Am186
Process	350 nm 0.35 μm 3.5e-4 mm
Word size	16 bit 2 octets 4 nibbles
Core count	1
Max CPUs	1
Electrical
Vcore	3.3 V 33 dV 330 cV 3,300 mV ± 0.3 V
Tcase	0 °C 273.15 K 32 °F 491.67 °R  – 100 °C 373.15 K 212 °F 671.67 °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 MB "MB" is not declared as a valid unit of measurement for this property.
Pins
Pins	100
IRQ lines	6
I/O ports	32
Packaging
Package TQFP-100 (TQFP) Dimension 13.80 mm x 13.80 mm x 1.35 mm Pitch 0.50 mm Pin Count 100 Socket TQFP-100 (TQFP)

Am186ER–25VC\W is a microcontroller designed by AMD. This MCU incorporated the Am186 core which operated at 25 MHz. This model supported all the base features such as 32 general purpose I/O ports, timers, and SSI. Additionally, this MCU also integrates 32 KB SRAM on-die.

Cache

Main article: 80186 § Cache

Cache Info [Edit Values]
L1$	0 KB "KB" is not declared as a valid unit of measurement for this property.	1x0 KB
L2$	0 KB "KB" is not declared as a valid unit of measurement for this property.	1x0 KB

Graphics

This chip had no integrated graphics processing unit.

Features

• 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
• Watchdog timer can generate NMI or reset
• 6 x external interrupts
• 32 KB SRAM

Documents

Datasheets

• Am186ER; Publication #20732

Manuals

• Am186ER and Am188ER Microcontrollers User's Manual