Zilog EZ80F91 - Manual (Page 9)

eZ80F91 Development Kit
User Manual
UM014220-0508 Introduction
4
Figure 2 on page 5 displays eZ80Acclaim!
®
Development Kit segmented
into its key blocks, as shown in the legend for the figure.
Figure 1. eZ80Acclaim!
®
Development Kit Block Diagram with eZ80F91 Module
eZ80
Module
Interface
eZ80F91
GPIO
Address Bus
RS232-0
(Console)
LED
(7x5 matrix)
Embedded
Modem
I C
EEPROM
I C
Register
SRAM
(512 KB
up to 2 MB)
Application Module Headers
2
2
Address Bus
IrDA
Transceiver
Flash
(1 MB)
PHY
SRAM
(512 KB)
External
Battery
RS232-1
(Modem)
RS485_0/1
Connect
¤
Data Bus
eZ80F91
Module
Data Bus
GPIO
and
Address
Decoder
GPIO