Am186CU-40KC\W
Designer	AMD
Manufacturer	AMD
Model Number	Am186CU-40KC\W
Part Number	Am186CU-40KC\W
Market	Embedded
Introduction	1998 (launch)
General information
Family	Am186Cx
Series	Am186CU
Frequency	40 MHz 0.04 GHz 40,000 kHz
Bus speed	10 MHz 0.01 GHz 10,000 kHz
Bus rate	10 MT/s 0.01 GT/s 10,000 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  – 150 °C 423.15 K 302 °F 761.67 °R
Max Memory	1 MiB 1,024 KiB 1,048,576 B 9.765625e-4 GiB 9.536743e-7 TiB
Pins
Pins	160
IRQ lines	36
I/O ports	48
Packaging
Package PQFP-160 (PQFP) Dimension 27.90 mm x 27.90 mm x 3.2 mm Pitch 0.65 mm Pin Count 160 Socket PQFP-160 (PQFP)

Am186CU-40KC\W is a 16-bit USB communication microcontroller designed by AMD. This MCU implements the Am186 core operating at 40 MHz and incorporates a USB peripheral controller along with 4 dedicated DMA channels for it.

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

• High-Speed UART with autobaud
• Synchronous serial interface (SSI)
• 3x programmable 16-bit timers
• Hardware watchdog timer
• 4x General-purpose DMA channels
• 48x Programmable I/O ports
• 36x maskable interrupts
• Interrupt Controller
• Integrated DRAM controller
• 14x chip selects (8x peripherals, 6x memory)
• Multiplexed and nonmultiplexed address/data bus
• USB peripheral controller
• 4x dedicated DMA channels (4x USB)

Documents

Datasheets

• Am186CU (October 1998); Publication #22025.
• Am186CU (May 2000); Publication #22025.

Manuals

• Am186CC/CH/CU Microcontrollers User's Manual; Publication #21914.
• Am186CC/CH/CU Microcontroller Customer Development Platform User's Manual; Publication #22002.