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AM186ED-33KC View Datasheet(PDF) - Advanced Micro Devices

Part Name
Description
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AM186ED-33KC Datasheet PDF : 88 Pages
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PRELIMINARY
Am186ED/EDLV MICROCONTROLLERS BLOCK DIAGRAM
INT2/INTA0/PWD**
INT3/INTA1/IRQ
CLKOUTA INT6–INT4**
CLKOUTB
INT1/SELECT
INT0 PWD**
TMROUT0 TMROUT1
NMI
TMRIN0
TMRIN1 DRQ0/INT5** DRQ1/INT6**
VCC
GND
RES
ARDY
SRDY
S2/BTSEL
S1–S0
DT/R
DEN/DS
HOLD
HLDA
S6/CLKDIV2
UZI
X2
Timer Control
DMA
X1
Pulse
Unit
Unit
Clock and
Width
01
2
0
1
Power
Interrupt
Demod- Max Count B
20-Bit Source
Management Control Unit
ulator
Registers
Max Count A
Pointers
20-Bit Destination
Unit
Watchdog
Timer (WDT)
Control
T Registers
Control
Registers
(PWD)
Registers
16-Bit Count
Registers
Control
Registers
Pointers
16-Bit Count
Registers
Control
Registers
PIO
Unit
PIO31–
PIO0*
Control
F Registers
Refresh
Control
Unit
DRAM
Control
Unit
Control
Registers
Bus
A Interface
Unit
Execution
Unit
Chip-Select
Unit
Control
Registers
Asynchronous
Serial Port 0
Asynchronous
Serial Port 1
TXD0
RXD0
RTS0/RTR0
CTS0/ENRX0
TXD1
RXD1
RTS1/RTR1**
CTS1/ENRX1**
D R A19–A0
RD
WHB
WLB
LCS/ONCE0/RAS0
MCS3/RAS1
MCS2/LCAS
PCS6/A2
PCS5/A1
AD15–AD0
WR
MCS1/UCAS
PCS3–PCS0**
BHE/ADEN
MCS0 UCS/ONCE1
ALE
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.
2
Am186ED/EDLV Microcontrollers
 

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