EZ80F910200ZCO Zilog, EZ80F910200ZCO Datasheet - Page 47
EZ80F910200ZCO
Manufacturer Part Number
EZ80F910200ZCO
Description
KIT DEV FOR EZ80F91 W/C-COMPILER
Manufacturer
Zilog
Datasheet
1.EZ80F910200ZCO.pdf
(78 pages)
Specifications of EZ80F910200ZCO
Processor To Be Evaluated
eZ80F91
Interface Type
Ethernet
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3154
EZ80F910200ZCO
EZ80F910200ZCO
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eZ80F91 Module
Functional Description
UM014220-0508
Fast Buffer
This section describes the eZ80F91 Module hardware, its interfaces and
key components, including the CPU, real-time clock, IrDA transceiver,
and memory.
The eZ80F91 Module is a compact, high-performance module specially
designed for the rapid development and deployment of embedded sys-
tems. Additional devices such as serial ports, LED matrices, GPIO ports,
and I
Development Kit. A block diagram representing both of these boards is
shown in
Despite its small footprint, the eZ80F91 Module provides a CPU, Flash
memory, Ethernet interface, SRAM, an IrDA transceiver, and a real-time
clock with a back-up battery. This module is powered by the eZ80F91
microcontroller, a new member of eZ80
Module can also be used as a stand-alone development tool when pro-
vided with an external power source.
The eZ80F91 Module is equipped with an Am79C874 PHY from AMD.
This PHY supports a number of different frequencies and types of com-
munication, from 10 MB half-duplex to 100 MB full-duplex. There are
four resistors on the Module that control settings for the requested mode
of operation; these resistors are labelled R19, R21, R23, and R24. For
details, refer to eZ80F91 Module Product Specification (PS0193).
A Fast Buffer is located on the data bus to Flash memory. The purpose of
this Fast Buffer is to avoid bus contention that can exist due to the slow
turn-off time of Flash memory and the fast bus turn-around time of the
2
C devices are supported when connected to the eZ80Acclaim!
Figure 1
on page 4.
®
product family. The eZ80F91
eZ80F91 Development Kit
User Manual
eZ80F91 Module
®
42
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