The following pin function descriptions are for the MBl 82288 bus controller. Table 1 - PIN DESCRIPTION Symbol ClK 50,51 Type I I Name and Function System Clock provides the basic timing control for the MBl 82288 in an MBl 80286 microsystem. Its frequency is twice the internal processor clock frequency. The falling edge of this input signal establishes w.
C MWTC
CONTROL OUTPUTS
ODETN/' ]
ALE MCE
READY CLK
Sf
MCE ALE
MB CMDLY
MRDC MWTC
GND
Vee SO
M/iQ DT/R DEN CEN/AEN CENL INTA IORC IOWC
*Multibus is a patented bus of Intel.
Portions Reprinted by permission of Intel Corporation © Intel Corporation, 1982 © FUJITSU LIMITED, 1985
1-70
1111111111111111111!lilllllllllllllllllllllllllll
FUJITSU
1111111111111111111111111111111111111111111111111
MBL 82288-8 MBL 82288-6
PIN DESCRIPTION The following pin function descriptions are for the MBl 82288 bus controller.
Table 1 - PIN DESCRIPTION
Symbol ClK
50,51
Type I
I
Name and Function
System Clock.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | MBL82288-6 |
Fujitsu |
NMOS Bus Controller | |
2 | MBL82284-6 |
Fujitsu |
Bipolar Clock Generator and Ready Interface | |
3 | MBL82284-8 |
Fujitsu |
Bipolar Clock Generator and Ready Interface | |
4 | MBL8243 |
Fujitsu |
NMOS Input/Output Expander | |
5 | MBL8259A |
Fujitsu |
NMOS PROGRAMMABLE INTERRUPT CONTROLLER | |
6 | MBL8259A-2 |
Fujitsu |
NMOS PROGRAMMABLE INTERRUPT CONTROLLER | |
7 | MBL8282 |
Fujitsu |
Bipolar Octal Latch | |
8 | MBL8283 |
Fujitsu |
Bipolar Octal Latch | |
9 | MBL8284A |
Fujitsu |
Bipolar Clock Generator / Driver | |
10 | MBL8284A-1 |
Fujitsu |
Bipolar Clock Generator / Driver | |
11 | MBL8286 |
Fujitsu |
Bipolar Octal Bus Transceiver | |
12 | MBL8287 |
Fujitsu |
Bipolar Octal Bus Transceiver |