EZ80L92AZ050SG Zilog, EZ80L92AZ050SG Datasheet - Page 73
EZ80L92AZ050SG
Manufacturer Part Number
EZ80L92AZ050SG
Description
IC WEBSERVER 50MHZ 100LQFP
Manufacturer
Zilog
Datasheet
1.EZ80L92AZ020SG.pdf
(231 pages)
Specifications of EZ80L92AZ050SG
Processor Type
eZ80
Features
High Speed, Single-Cycle Instruction-Fetch
Speed
50MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
100-LQFP
Processor Series
EZ80L92x
Core
eZ80
Data Bus Width
8 bit
Program Memory Size
64 KB
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
24
Number Of Timers
6
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Development Tools By Supplier
eZ80L920210ZCO
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
269-3878
EZ80L92AZ050SG
EZ80L92AZ050SG
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EZ80L92AZ050SG
Manufacturer:
Everlight
Quantity:
12 000
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PS013014-0107
Chip Select Registers
System Clock
ADDR[23:0]
DATA[7:0]
or IORQ
DTACK
MREQ
Switching Between Bus Modes
Each time the bus mode controller must switch from one bus mode to another, there is a
one-cycle eZ80 system clock delay. An extra clock cycle is not required for repeated
accesses in any of the bus modes; nor is it required when the eZ80L92 switches to eZ80
Bus Mode. The extra clock cycles are not shown in the timing examples. Due to the asyn-
chronous nature of these bus protocols, the extra delay does not impact peripheral commu-
nication.
Chip Select x Lower Bound Registers
For Memory Chip Selects, the Chip Select x Lower Bound register (see
the lower bound of the address range for which the corresponding Memory Chip Select (if
CSx
R/W
DS
AS
Figure 16. Motorola Bus Mode Write Timing Example
S0
S1
S2
S3
S4
S5
S6
Chip Selects and Wait States
Product Specification
S7
Table
eZ80L92 MCU
22) defines
67
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