EZ80L92AZ050SG Zilog, EZ80L92AZ050SG Datasheet - Page 205

IC WEBSERVER 50MHZ 100LQFP

EZ80L92AZ050SG

Manufacturer Part Number
EZ80L92AZ050SG
Description
IC WEBSERVER 50MHZ 100LQFP
Manufacturer
Zilog
Datasheet

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

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PS013014-0107
32 kHz Real Time Clock Crystal Oscillator Operation
Table 116. Recommended Crystal Oscillator Specifications
Figure 45
oscillator with an external 32 kHz, fundamental-mode, parallel-resonant crystal.
lists the recommended crystal specifications. A printed circuit board layout must add no
more than 4 pF of stray capacitance to either the RTC_X
tion does not occur, reduce the values of capacitors C
An on-chip MOS resistor sets the crystal drive current limit. This configuration does not
requires an external bias resistor across the crystal. An on-chip MOS resistor provides the
biasing.
Figure 45. Recommended Crystal Oscillator Configuration (32 kHz operation)
C = 18 pF
Parameter
Frequency
Resonance
Mode
Series Resistance (R
Load Capacitance (C
Shunt Capacitance (C
Drive Level
2
RTC_X
IN
illustrates a recommended configuration for connecting the real time clock
(20 MHz Operation)
S
L
(Fundamental Mode)
0
)
)
On-Chip Oscillator
)
32 kHz Crystal
Fundamental
Parallel
Value
20
25
20
7
1
RTC_X
Units
R = 220 ‰
MHz
mW
pF
pF
1
1
Ω
C = 18 pF
and C
2
IN
OUT
or RTC_X
2
Comments
to decrease loading.
Maximum
Maximum
Maximum
Maximum
Product Specification
OUT
On-Chip Oscillators
eZ80L92 MCU
pins. If oscilla-
Table 117
199

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