AM186ER-25 데이터 시트보기 (PDF) - Advanced Micro Devices
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AM186ER-25
Advanced Micro Devices
AM186ER-25 Datasheet PDF : 112 Pages
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Am186™ER MICROCONTROLLER BLOCK DIAGRAM
INT2/INTA0
INT3/INTA1/IRQ
CLKOUTA
INT4
CLKOUTB
INT1/SELECT
INT0
NMI
TMROUT0 TMROUT1
TMRIN0
TMRIN1
DRQ0 DRQ1
X2
Timer Control
DMA
X1
Unit
Unit
VCC
GND
RES
ARDY
SRDY
S2
S1/IMDIS
S0/SREN
DT/R
DEN
HOLD
HLDA
S6/
CLKSEL1
UZI/
CLKSEL2
Clock and
0 1 (WDT) 2
0
1
Power
Interrupt
Management Control Unit
Execution Max Count B
Unit
Registers
20-Bit Source
Pointers
Unit
Max Count A
20-Bit Destination
Registers
Pointers
Watchdog
Timer (WDT)
Control
Registers
Control
Registers
16-Bit Count
Registers
Control
Registers
16-Bit Count
Registers
Control
Registers
T Control
F Registers
Refresh
Control
Unit
PSRAM
Control
Unit
Control
Registers
Bus
A Interface
Unit
32 Kbyte
SRAM
(16K x 16)
Chip-Select
Unit
PIO
Unit
Control
Registers
Asynchronous
Serial Port
Control
Registers
Synchronous Serial
Interface
RRD
D WHB
LCS/ONCE0
SCLK
SDATA
PCS6/A2 SDEN0 SDEN1
A19–A0
WLB
MCS3/RFSH
PCS5/A1
AD15–AD0
WR
MCS2–MCS0
PCS3–PCS0
PIO31–
PIO0*
TXD
RXD
BHE/ADEN
UCS/ONCE1
ALE
Note:
* 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.
2
Am186TMER and Am188TMER Microcontrollers Data Sheet
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