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Part Name
Description
AM186ER-33 View Datasheet(PDF) - Advanced Micro Devices
Part Name
Description
Manufacturer
AM186ER-33
High-Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers with RAM
Advanced Micro Devices
AM186ER-33 Datasheet PDF : 112 Pages
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Am188
™ER MICROCONTROLLER BLOCK DIAGRAM
INT2/INTA0
INT3/INTA1/IRQ
CLKOUTA
INT4
CLKOUTB
INT1/SELECT
INT0
NMI
TMROUT0 TMROUT1
TMRIN0
TMRIN1
DRQ0
DRQ1
X2
X1
Timer Control
Unit
DMA
Unit
Clock and
0 1 (WDT) 2
0
1
V
CC
Power
Management
Interrupt
Control Unit
Max Count B
Execution
Unit
Registers
Max Count A
20-Bit Source
Pointers
20-Bit Destination
Registers
Pointers
GND
Watchdog
Timer (WDT)
Control
Registers
Control
Registers
16-Bit Count
Registers
Control
Registers
16-Bit Count
Registers
Control
Registers
T
RES
PIO
Unit
PIO31–
PIO0*
ARDY
F
SRDY
S2
S1/IMDIS
S0/SREN
DT/R
A
DEN
HOLD
HLDA
S6/
CLKSEL1
R
UZI/
CLKSEL2
Control
Registers
Refresh
Control
Unit
PSRAM
Control
Unit
Control
Registers
Bus
Interface
Unit
32 Kbyte
SRAM
(32K x 8)
Chip-Select
Unit
Control
Registers
Asynchronous
TXD
Serial Port
RXD
Control
Registers
Synchronous Serial
Interface
D
A19–A0
RD
LCS/ONCE0
SCLK
SDATA
PCS6/A2
SDEN0 SDEN1
AO15–AO8
WB
MCS3/RFSH
PCS5/A1
AD7–AD0
WR
MCS2–MCS0
PCS3–PCS0
RFSH2/ADEN
ALE
UCS/ONCE1
Notes:
* All PIO signals are shared with other physical pins. See the pin descriptions beginning on page 30 and Table 3 on page 36 for
information on shared functions.
Am186
TM
ER and Am188
TM
ER Microcontrollers Data Sheet
3
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