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AM186ED-20KC/W 数据表(PDF) 2 Page - Advanced Micro Devices

部件名 AM186ED-20KC/W
功能描述  High Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers
PDF  88 Pages
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制造商  AMD [Advanced Micro Devices]
网页  http://www.amd.com
标志 AMD - Advanced Micro Devices

AM186ED-20KC/W 数据表(HTML) 2 Page - Advanced Micro Devices

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2
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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