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PDF Am186ER-25KI Data sheet ( Hoja de datos )
| Número de pieza | Am186ER-25KI | |
| Descripción | 16-Bit Embedded Microcontrollers | |
| Fabricantes | Advanced Micro Devices | |
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Am186TMER and Am188TMER
High-Performance, 80C186- and 80C188-Compatible,
16-Bit Embedded Microcontrollers with RAM
DISTINCTIVE CHARACTERISTICS
— DMA to and from asynchronous serial port
n E86TM family 80C186- and 80C188-compatible
microcontrollers with enhanced bus interface
— Synchronous serial interface allows half-duplex,
bidirectional data transfer to and from ASICs
— Lower system cost with high performance
— Reset configuration register
— 3.3-V ± 0.3-V operation with 5-V tolerant I/O
— Additional external interrupts
n Memory integration
— Hardware watchdog timer can generate NMI or
system reset
— 32 Kbyte of internal SRAM
— Pseudo static RAM (PSRAM) controller includes
— Internal SRAM provides same performance as
zero-wait-state external memory
n High performance
— 25-, 33-, 40- and 50-MHz operating frequencies
— Supports zero-wait-state operation at 50 MHz
with 55-ns external memory
T— 1-Mbyte memory address space
— 64-Kbyte I/O space
n Enhanced features provide faster access to
memory and various clock input modes
F— Nonmultiplexed address bus provides glueless
interface to external RAM and ROM
— Phase-locked loop (PLL) enables processor to
operate at up to four times clock input frequency
n Enhanced integrated peripherals
A— Thirty-two programmable I/O (PIO) pins
— Asynchronous serial port allows full-duplex, 7-bit
or 8-bit data transfers
auto refresh capability
n Familiar 80C186 peripherals with enhanced
functionality
— Two independent DMA channels
— Programmable interrupt controller with six
external interrupts
— Three programmable 16-bit timers
— Programmable memory and peripheral
chip-select logic
— Programmable wait state generator
— Power-save clock mode
n Software-compatible with the 80C186 and
80C188 microcontrollers
n Widely available native development tools,
applications, and system software
n Available in the following packages:
— 100-pin, thin quad flat pack (TQFP)
— 100-pin, plastic quad flat pack (PQFP)
RGENERAL DESCRIPTION
The Am186TMER and Am188TMER microcontrollers are
part of the AMD E86™ family of embedded
Dmicrocontrollers and microprocessors based on the
(PIO) pins on one chip. Compared to the 80C186/
80C188 microcontrollers, the Am186ER and
Am188ER microcontrollers enable designers to reduce
x86 architecture. The Am186ER and Am188ER the size, power consumption, and cost of embedded
microcontrollers are the ideal upgrade for designs sy stems, whil e inc reasi ng functional ity and
r e q u i r i n g 8 0 C 1 8 6 / 8 0 C 1 8 8 m i c r o c o n t r o l l e r performance.
c o m pa t i bi l i t y, i n c re a s e d p e r fo r m a n c e, se r ia l
communications, a direct bus interface, and integrated
memory.
The Am186ER and Am188ER microcontrollers have
been designed to meet the most common
requirements of embedded products developed for the
The Am186ER and Am188ER microcontrollers communications, office automation, mass storage, and
integrate memory and the functions of the CPU, general embedded markets. Specific applications
nonmultiplexed address bus, timers, chip selects, include feature phones, cellular phones, PBXs,
interrupt controller, DMA controller, PSRAM controller, multiplexers, modems, disk drives, hand-held terminals
watchdog timer, asynchronous serial por t, and desktop terminals, fax machines, printers,
synchronous serial interface, and programmable I/O photocopiers, and industrial controls.
© Copyright 2000 Advanced Micro Devices, Inc. All rights reserved.
Publication# 20732 Rev: D Amendment/0
Issue Date: June 2000
1 page  
TABLE OF CONTENTS
Distinctive Characteristics ............................................................................................................ 1
General Description ..................................................................................................................... 1
Am186™ER Microcontroller Block Diagram ................................................................................ 2
Am188™ER Microcontroller Block Diagram ................................................................................ 3
Ordering Information .................................................................................................................... 4
List of Figures .............................................................................................................................. 9
List of Tables ............................................................................................................................... 9
Revision History ......................................................................................................................... 10
E86™ Family of Embedded Microprocessors and Microcontrollers .......................................... 12
Related Documents ....................................................................................................... 13
Demonstration Board Products ...................................................................................... 13
Third-Party Development Support Products ............................................................................13
Customer Service .......................................................................................................... 13
Key Features and Benefits ........................................................................................................ 14
Application Considerations ............................................................................................ 14
Comparison of the Am186™ER and 80C186 Microcontrollers ................................................. 15
TQFP Connection Diagram and Pinouts—Am186™ER Microcontroller ................................... 16
TQFP Pin Assignments—Am186™ER Microcontroller (Sorted by Pin Number) ...................... 17
TQFP Pin Assignments—Am186™ER Microcontroller (Sorted by Pin Name) .......................... 18
TQFP Connection Diagram and Pinouts—Am188™ER Microcontroller ................................... 19
TQFP Pin Assignments—Am188™ER Microcontroller (Sorted by Pin Number) ...................... 20
TTQFP Pin Assignments—Am188™ER Microcontroller (Sorted by Pin Name) ......................... 21
PQFP Connection Diagram and Pinouts—Am186™ER Microcontroller ................................... 22
PQFP Pin Assignments—Am186™ER Microcontroller (Sorted by Pin Number) ...................... 23
PQFP Pin Assignments—Am186™ER Microcontroller (Sorted by Pin Name) ......................... 24
FPQFP Connection Diagram and Pinouts—Am188™ER Microcontroller ................................... 25
PQFP Pin Assignments—Am188™ER Microcontroller (Sorted by Pin Number) ...................... 26
PQFP Pin Assignments—Am188™ER Microcontroller (Sorted by Pin Name) ......................... 27
Logic Symbol—Am186™ER Microcontroller ............................................................................. 28
ALogic Symbol—Am188™ER Microcontroller ............................................................................. 29
Pin Descriptions ......................................................................................................................... 30
Pins Used by Emulators ................................................................................................. 30
A19–A0 (A19/PIO9, A18/PIO8, A17/PIO7) .................................................................... 30
AD7–AD0 ....................................................................................................................... 30
RAD15–AD8 (Am186™ER Microcontroller) ..................................................................... 30
AO15–AO8 (Am188™ER Microcontroller) ..................................................................... 30
ALE ................................................................................................................................ 31
ARDY ............................................................................................................................. 31
DBHE/ADEN (Am186™ER Microcontroller Only) ............................................................ 31
CLKOUTA ...................................................................................................................... 31
CLKOUTB ...................................................................................................................... 31
DEN/PIO5 ...................................................................................................................... 31
DRQ1–DRQ0 (DRQ1/PIO13, DRQ0/PIO12) ................................................................. 32
DT/R/PIO4 ..................................................................................................................... 32
GND ............................................................................................................................... 32
HLDA ............................................................................................................................. 32
HOLD ............................................................................................................................. 32
INT0 ............................................................................................................................... 32
INT1/SELECT ................................................................................................................ 32
INT2/INTA0/PIO31 ......................................................................................................... 33
INT3/INTA1/IRQ ............................................................................................................. 33
INT4/PIO30 .................................................................................................................... 33
Am186TMER and Am188TMER Microcontrollers Data Sheet
5
5 Page 
Date
Rev Description
May 2000
D
Under “SRDY/PIO6” on page 38, the following sentence was added: "When SRDY is configured as
P106, the internal SRDY signal is driven Low."
May 2000
In Table 8, “Maximum and Minimum Clock Frequencies,” on page 44, the values are changed in the
D cell of row "Divide by 2" and column "X1/X2 Min" and in the cell of row "Divide by 2" and column
"CLKOUTA Min".
May 2000
D
In “Switching Characteristics over Commercial and Industrial Operating Ranges” on page 93, Max
value in the number "36" row was changed to "33."
May 2000
D
In “Switching Characteristics over Commercial and Industrial Operating Ranges” on page 94, the
value in "40 MHz Max" for row number 36 was changed to "33."
May 2000 D In “Synchronous Ready Waveforms” on page 97, the diagram was changed.
May 2000 D In “Asynchronous Ready Waveforms” on page 97, the diagram was changed.
May 2000 D In "BHE/ADEN", on page 31, the second paragraph under ADEN was changed.
May 2000
May 2000
May 2000
May 2000
D R A F TMay2000
D In "UZI/CLKSEL2/PIO26", on page 38, the paragraph description of UZI was changed.
D In “Read Cycle Waveforms” on page 72, the UZI line in the diagram was changed.
D In “Write Cycle Waveforms” on page 75, the UZI line in the diagram was changed.
D Added the diagram, Table 11, “ARDY and SRDY Synchronization Logic Diagram,” on page 49.
D Added an index.
Am186TMER and Am188TMER Microcontrollers Data Sheet
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet Am186ER-25KI.PDF ] | |
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