Intel 8XC196MC Benutzerhandbuch
15-29
INTERFACING WITH EXTERNAL MEMORY
Figure 15-19 shows a 16-bit system with two EPROMs. This system configuration uses the
ADV# signal as both the EPROM chip-select signal and the address-latch signal.
ADV# signal as both the EPROM chip-select signal and the address-latch signal.
Figure 15-19. 16-bit System with EPROM
A3095-01
V
CC
AD7:0
AD15:8
RD#
ADV#
74AC
373
74AC
373
A13:7
A13:7
D15:8
D7:0
A6:0
A6:0
CS#
CS#
OE#
OE#
8XC196
16K
×
8
EPROM
(High)
16K
×
8
EPROM
(Low)
BUSWIDTH
A7:1
A7:1
A14:8
A15:8
LE
LE