Am186 CU
High-Performance, 80C186-Compatible
16-Bit Embedded USB Microcontroller
DISTINCTIVE CHARACTERISTICS
E86 family of x86 embedded processors Memory and Peripheral Interface
offers improved time-to-market
Integrated DRAM controller
Software migration (backwards- and upwards-
Glueless interface to RAM/ROM/Flash memory
compatible)
(55-ns Flash memory required for zero-wait-state
World-class development tools, applications, and operation at 50 MHz)
system software
Fourteen chip selects (8 peripherals, 6 memory)
Serial Communications Peripherals
External bus mastering support
Universal Serial Bus (USB) peripheral controller
Multiplexed and nonmultiplexed address/data bus
High-Speed UART with autobaud
Programmable bus sizing
UART
8-bit boot option
Synchronous serial interface (SSI)
Available in the following package:
SmartDMA channels (4) to support USB
160-pin plastic quad flat pack (PQFP)
System Peripherals
25-, 40-, and 50-MHz operating frequencies
Three programmable 16-bit timers
Low-voltage operation, V = 3.3 V 0.3 V
CC
Hardware watchdog timer
Commercial and industrial temperature rating
General-purpose DMA (4 channels)
5-V-tolerant I/O (3.3-V output levels)
Programmable I/O (48 PIO signals)
Interrupt Controller (36 maskable interrupts)
GENERAL DESCRIPTION
The Am186CU USB microcontroller is a member of Built into the Am186CU USB microcontroller is a wide
AMDs Comm86 family of communications-specific range of communications features required in many
microcontrollers. The microcontroller is a derivative of communications applications, including the Universal
the Am186CC communications controller and is pin- Serial Bus (USB) peripheral controller that designers
compatible with that device. can use to implement a variety of microcontroller-
based USB peripheral devices for telephony, audio, or
The Am186CU USB microcontroller is a cost-effective,
other high-end applications. The USB controller does
high-performance microcontroller solution for
not support USB host or hub functions, but the
communications applications. This highly integrated
Am186CU USB microcontroller can be used to
microcontroller enables customers to save system
implement USB peripheral functions in a device that
costs and increase performance over 8-bit
also contains separate USB hub circuitry.
microcontrollers and other 16-bit microcontrollers.
Comprehensive development support is available from
The microcontroller offers the advantages of the x86
SM
AMD and its FusionE86 partners. A customer
development environments widely available native
development platform board is available. AMD and its
development tools, applications, and system software.
FusionE86 partners also offer boards, schematics,
Additionally, the microcontroller uses the industry-
drivers, protocol stacks, and routing software to enable
standard 186 instruction set that is part of the AMD
fast time to market.
E86 family, which continually offers instruction-set-
compatible upgrades.
Copyright 2000 Advanced Micro Devices, Inc. All rights reserved. Publication# 22025 Rev: B Amendment/0
Issue Date: May 2000 ORDERING INFORMATION
Am186CU 50 K C \W
LEAD FORMING
\W=Trimmed and Formed
TEMPERATURE RANGE
C= Am186CU Commercial (T =0C to +100C)
C
I = Am186CU Industrial (T =40C to +85C)
A
where: T = case temperature
C
where: T = ambient temperature
A
PACKAGE TYPE
K=160-Pin Plastic Quad Flat Pack (PQFP)
SPEED OPTION
25 = 25 MHz
40 = 40 MHz
50 = 50 MHz
DEVICE NUMBER/DESCRIPTION
Am186CU high-performance 80C186-compatible
16-bit embedded USB microcontroller
Valid Combinations Valid Combinations
Valid combinations list configurations planned to be
Am186CU25
supported in volume for this device. Consult the
Am186CU40 KC\W
local AMD sales office to confirm availability of
Am186CU50 specific valid combinations and to check on newly
released combinations.
Am186CU25
KI\W
Am186CU40
2 Am186CU USB Microcontroller Data Sheet