EZ80F920120MOD Zilog, EZ80F920120MOD Datasheet - Page 176
EZ80F920120MOD
Manufacturer Part Number
EZ80F920120MOD
Description
MODULE EZ80F92 512K 20MHZ
Manufacturer
Zilog
Datasheets
1.EZ80F920120MOD.pdf
(269 pages)
2.EZ80F920120MOD.pdf
(4 pages)
3.EZ80F920120MOD.pdf
(2 pages)
Specifications of EZ80F920120MOD
Module/board Type
Development Module
Processor Series
EZ80F92x
Core
eZ80
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
1 MB
Interface Type
Cable
Maximum Clock Frequency
20 MHz
Operating Supply Voltage
0 V to 3.3 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Package / Case
LQFP
Development Tools By Supplier
eZ80F920200ZCOG
Minimum Operating Temperature
0 C
For Use With/related Products
eZ80F92
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3157
EZ80F920120MOD
EZ80F920120MOD
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PS015308-0404
ZDI-Supported Protocol
ZDI Clock and Data Conventions
Recommended ZDI Clock vs. System Clock Frequency lists the recommended frequen-
cies of the ZDI clock in relation to the system clock.
Table 93. Recommended ZDI Clock vs. System Clock Frequency
ZDI supports a bidirectional serial protocol. The protocol defines any device that sends
data as the transmitter and any receiving device as the receiver. The device controlling the
transfer is the master and the device being controlled is the slave. The master always ini-
tiates the data transfers and provides the clock for both receive and transmit operations.
The ZDI block on the eZ80F92 device is considered a slave in all data transfers.
Figure 37 illustrates the schematic for building a connector on a target board. This connec-
tor allows the user to connect directly to the ZPAK II debugger using a six-pin header.
Figure 37.Schematic For Building a Target Board ZPAK II Connector
The two pins used for communication with the ZDI block are the ZDI Clock pin (ZCL)
and the ZDI Data pin (ZDA). On the eZ80F92 device, the ZCL pin is shared with the TCK
pin while the ZDA pin is shared with the TDI pin. The ZCL and ZDA pin functions are
System Clock
Frequency
3–10 Mhz
8–16 Mhz
12–24 Mhz
20–50 Mhz
eZ80L92
TCK (ZCL)
TDI (ZDA)
330 KΩ
ZDI Clock
Frequency
1 Mhz
2 Mhz
4 Mhz
8 Mhz
6-Pin Target Connector
P R E L I M I N A R Y
330 KΩ
2
4
6
1
3
5
(Target V
TV
Product Specification
DD
DD
ZiLOG Debug Interface
eZ80F92/eZ80F93
)
164
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