AM186EDLV datasheet(2/88 Pages) AMD

Part #	AM186EDLV

Description	High Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers

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Manufacturer	AMD [Advanced Micro Devices]

Direct Link	http://www.amd.com

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Am186ED/EDLV Microcontrollers

PREL IMINAR Y

D

RA

F T

Am186ED/EDLV MICROCONTROLLERS BLOCK DIAGRAM

Notes:

*All PIO signals are shared with other physical pins. See the pin descriptions beginning on page 21 and Table 2 on page 29 for

information on shared functions.

** RTS1/RTR1 and CTS1/ENRX1 are multiplexed with PCS3 and PCS2, respectively. See the pin descriptions beginning on

page 21.

S1–S0

Interrupt

Control Unit

Timer Control

Unit

DMA

Unit

Bus

Interface

Unit

Execution

Unit

Chip-Select

Unit

Clock and

Power

Management

Unit

Control

Registers

16-Bit Count

Registers

Max Count A

Registers

16-Bit Count

Registers

20-Bit Destination

Pointers

20-Bit Source

Pointers

Control

Registers

Control

Registers

Control

Registers

01

2

0

1

Max Count B

Registers

Refresh

Control

Unit

Control

Registers

Control

Registers

Control

Registers

CLKOUTB

CLKOUTA

INT6–INT4**

INT3/INTA1/IRQ

INT2/INTA0/PWD**

INT1/SELECT

INT0

TMROUT0 TMROUT1

DRQ0/INT5** DRQ1/INT6**

VCC

GND

TMRIN0

TMRIN1

ARDY

SRDY

DT/R

DEN/DS

HOLD

HLDA

Asynchronous

Serial Port 0

TXD0

RXD0

NMI

A19–A0

AD15–AD0

ALE

BHE/ADEN

WR

WLB

WHB

RD

RES

LCS/ONCE0/RAS0

MCS2/LCAS

PCS6/A2

PCS3–PCS0**

PCS5/A1

UCS/ONCE1

X2

X1

MCS3/RAS1

PIO

Unit

PIO31–

PIO0*

S6/CLKDIV2

UZI

TXD1

RXD1

CTS0/ENRX0

CTS1/ENRX1**

RTS0/RTR0

RTS1/RTR1**

Watchdog

Timer (WDT)

Pulse

Width

Demod-

ulator

(PWD)

PWD**

Asynchronous

Serial Port 1

MCS1/UCAS

S2/BTSEL

DRAM

Control

Unit

MCS0

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AM186EDLV Datasheet(PDF) 2 Page - Advanced Micro Devices

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