80C88_08 Datasheet, PDF (10/38 Pages) Intersil Corporation – CMOS 8-/16-Bit Microprocessor

80C88
V_CC
82C84A/85
MN/MX
CLK IO/M
V_CC
RES
READY RD
RDY
RESET WR
CLOCK
GND ^GENERATOR
INTA
80C88
CPU
DT/R
DEN
1
ALE
GND
GND
STB
OE
V_CC
C1
AD0-AD7
20
A8-A19
GND
ADDR/DATA
82C82
LATCH
(1, 2 OR 3)
C2
40
V_CC
C1 = C2 = 0.1μF _INTR
T
OE
82C86
TRANSCEIVER
ADDRESS
DATA
EN
82C59A
INTERRUPT
CONTROL
INT
OE CS RDWR
HM-65162
HS-6616
82CXX
CMOS PROM CMOS PROM _PERIPHERALS
IR0-7
FIGURE 3. DEMULTIPLEXED BUS CONFIGURATION
V_CC
82C84A/85
RES
RDY
GND
MN/MX
CLK
S0
READY _S1
RESET _S2
80C88
CPU
GND
CLK _MRDC
S0
MWTC
S1 ^{82C88 AMWC}
NC
S2
IORC
DEN
IOWC
DT/R
AIOWC
NC
ALE
INTA
1
GND
GND
STB
OE
V_CC
C1
AD0-AD7
20
A8-A19
GND
ADDR/DATA
82C82
LATCH
(1, 2 OR 3)
C2
40
V_CC
C1 = C2 = 0.1μF _INT
T
OE
82C86
TRANSCEIVER
ADDRESS
DATA
82C59A
INTERRUPT
CONTROL
OE CS RDWR
HM-65162
HS-6616
82CXX
CMOS PROM CMOS PROM _PERIPHERALS
IR0-7
FIGURE 4. FULLY BUFFERED SYSTEM USING BUS CONTROLLER
10
FN2949.4
February 22, 2008