EZ80190AZ050EC Zilog, EZ80190AZ050EC Datasheet - Page 189

• Manufacturer Part Number: EZ80190AZ050EC
• Description: IC WEBSERVER 50MHZ XTEMP 100lQFP
• Manufacturer: Zilog

Specifications of EZ80190AZ050EC

• Processor Type: eZ80
• Features: High Speed, Single-Cycle Instruction-Fetch
• Speed: 50MHz
• Voltage: 3.3V
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 269-3123

Crystal Oscillator
PS006614-1208
Note: *These values are typical values only. Actual values must be tuned for the crystal and the fre-
quency of operation.
The eZ80190 device features an on-chip crystal oscillator that supplies clocks to the inter-
nal eZ80
three dedicated pins X
The external clock/oscillator (X
be used to interface the internal oscillator to an external oscillator (see
circuit parameters are C1 = C2 = 10 pF and R = 1 MΩ using a a parallel resonant crystal.
X
internal crystal oscillator to an external crystal oscillator. If an external clock is used,
X
may be used to synchronize other peripherals to the eZ80190 device system clock.
10pF*
10pF*
IN
OUT
C1
C2
can also accept a CMOS-level clock input. The oscillator output (X
should be left unconnected. The PHI pin, which drives the high-speed system clock,
®
CPU core, to peripherals, and to the external pin. The clock circuitry uses the
Figure 35. Crystal Oscillator
IN
, X
OUT
, and PHI.
IN
) input features two clock-generation options. X
1MΩ*
R
X
X
IN
OUT
eZ80190
Product Specification
Figure
OUT
) connects the
Op-Code Map
35). Typical
eZ80190
IN
may
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