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AM186 Scheda tecnica(PDF) 3 Page - Advanced Micro Devices

Il numero della parte AM186
Spiegazioni elettronici  High-Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers with RAM
PDF  112 Pages
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Produttore elettronici  AMD [Advanced Micro Devices]
Homepage  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM186 Scheda tecnica(HTML) 3 Page - Advanced Micro Devices

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Am186TMER and Am188TMER Microcontrollers Data Sheet
3
DRAF
T
Am188™ER MICROCONTROLLER BLOCK DIAGRAM
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.
20-Bit Source
Pointers
Interrupt
Control Unit
Timer Control
Unit
DMA
Unit
Bus
Interface
Unit
32 Kbyte
SRAM
(32K x 8)
Chip-Select
Unit
Clock and
Power
Management
Control
Registers
16-Bit Count
Registers
Max Count A
Registers
16-Bit Count
Registers
20-Bit Destination
Pointers
Control
Registers
Control
Registers
Control
Registers
01 (WDT)
2
0
1
Max Count B
Registers
Refresh
Control
Unit
Control
Registers
Control
Registers
Control
Registers
CLKOUTB
CLKOUTA
INT4
INT3/INTA1/IRQ
INT2/INTA0
INT1/SELECT
INT0
TMROUT0
TMROUT1
DRQ0
DRQ1
VCC
GND
TMRIN0
TMRIN1
Asynchronous
Serial Port
Synchronous Serial
Interface
TXD
RXD
SCLK
SDATA
SDEN0 SDEN1
NMI
A19–A0
AD7–AD0
ALE
WR
WB
RD
RES
LCS/ONCE0
MCS2–MCS0
PCS6/A2
PCS3–PCS0
PCS5/A1
UCS/ONCE1
X2
X1
Control
Registers
PSRAM
Control
Unit
MCS3/RFSH
PIO
Unit
PIO31–
PIO0*
AO15–AO8
RFSH2/ADEN
Execution
Unit
ARDY
SRDY
DT/R
DEN
HOLD
HLDA
S6/
UZI/
CLKSEL2
CLKSEL1
S1/IMDIS
S0/SREN
S2
Watchdog
Timer (WDT)



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