Profichip VPC3+S - Application Examples (Principles)

Hardware Interface 8
VPC3+S User Manual
Revision 1.04
103
Copyright © profichip GmbH, 2012
8.1.5 Application Examples (Principles)
AB 1 5...8
Clock-Generator
48MHz
80C32/
C501
Port 0
ALE
Port 2
CLK
XW R
XRD
X/INT
AB8
AB9
AB10
1K 1K
3K 3
Mode
VDD
RTS
TxD
RxD
XCTS
1K
GND
Reset
VPC3+
AB 7..0
Decoder
DB 7..0
Data
DB 7..0
Address-Latch
A / D 7 ...0
WR
RD
INT0
1K
Clockdivider
DIVIDER
VPC3+
Reset
(0000 0XXX)
GND
Figure 8-20: Low Cost System with 80C32
WR
RD
INT0
48 MHz
80C32
20/16 MHz
Port 0
Port 2
CLK
XW R
XRD
X/INT
AB8
AB9
AB10
1K 1K
3K 3
Mode
GND VDD
RTS
TxD
RxD
XCTS
1K
GND
ALE
EPROM
64kB
RAM
32kB
Address-
Decoder
Reset
PSEN
VPC3+
RD W R
DB 7..0
Data
DB 7..0
Address-Latch
Clockdivider
DIVIDER
1K
(0000 0XXX)
VPC3+
Reset
Address-
Latch
A/D 7..0
AB 15..8
AB 15..0
Clock-Generator
Figure 8-21: 80C32 System with External Memory