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AM186EM-20VC/W データシート(PDF) 3 Page - Advanced Micro Devices

部品番号 AM186EM-20VC/W
部品情報  High Performance, 80C186-/80C188-Compatible and 80L186-/80L188-Compatible, 16-Bit Embedded Microcontrollers
PDF  98 Pages
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メーカー  AMD [Advanced Micro Devices]
ホームページ  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM186EM-20VC/W データシート(HTML) 3 Page - Advanced Micro Devices

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Am186/188EM and Am186/188EMLV Microcontrollers
3
P R E L IMINAR Y
Am188EM MICROCONTROLLER BLOCK DIAGRAM
Note:
* All PIO signals are shared with other physical pins. See the pin descriptions beginning on page 25 and Table 2 on page 30 for
information on shared functions.
20-Bit Source
Pointers
S2–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
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
ARDY
SRDY
DT/R
DEN
HOLD
HLDA
Asynchronous
Serial Port
Synchronous Serial
Interface
TXD
RXD
SCLK
SDATA
SDEN0 SDEN1
NMI
S6/
A19–A0
AD7–AD0
ALE
WR
WB
RD
RES
LCS/ONCE0
MCS2–MCS0
PCS6/A2
PCS3–PCS0
PCS5/A1
UCS/ONCE1
X2
X1
UZI
Control
Registers
PSRAM
Control
Unit
MCS3/RFSH
PIO
Unit
PIO31–
PIO0*
AO15–AO8
RFSH2/ADEN
CLKDIV2



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