Intel manual ·13. Intel386 OX Microprocessor/82380 Interface

I/O INTERFACING

		FROM OTHER
		PERIPHERALS		Vee
CLOCK GENERATOR				10K!)
CLK2 RESET						RESET
						CLK2
I						ADS#
						82380
ADS~ CLK2
RESET						CPURST
			OPTIONAL			READYO#
READY#		I	WAITSTATE
			LOGIC
i386'"DXCPU						READY#
HOLD						HOLD
HLDA						HLDA
INT						INT
D/C#						D/C#
W/R#						W/R#
M/IO#						M/IO#
BEO-3#,	-.A-				t..	BE0-3#,
	K				)
A2-A31		I	I I			A2-A31
	~				:.
Do-D31	K~	l			r	00-D31
					)
			TO BUS
	TO BUS· UU
	CONTROLLER		BUFFERS

NOTE: INTERFACE WITHOUT CACHE

231732i8-13

Figure 8·13. Intel386™ OX Microprocessor/82380 Interface

LAN. Such a station usually includes a host CPU, shared memory, a Serial Interface Unit, a transceiver, and a LAN link (see Figure 8-14). The 82586 performs all functions associated with data transfer between the shared memory and the LAN link, including:

•Framing

•Link management

•Address filtering

•Error detection

•Data encoding

•Network management

8-22