AT94K05AL-25DQU Atmel, AT94K05AL-25DQU Datasheet - Page 41

• Manufacturer Part Number: AT94K05AL-25DQU
• Manufacturer: Atmel

Specifications of AT94K05AL-25DQU

• Device System Gates: 5000
• Propagation Delay Time: 12.1ns
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Operating Temperature Classification: Industrial
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Mounting: Surface Mount
• Pin Count: 208
• Package Type: PQFP
• Lead Free Status / RoHS Status: Compliant

4.3.7
4.3.8
4.3.9
4.3.10
4.3.11
4.3.12
4.3.13
4.3.14
4.4
4.4.1
1138I–FPSLI–1/08
Clock Options
RX1
TX1
XTAL1
XTAL2
TOSC1
TOSC2
SCL
SDA
Crystal Oscillator
Input (receive) to UART(1) – See SCR53
Output (transmit) from UART(1) – See SCR53
Input to the inverting oscillator amplifier and input to the internal clock operating circuit.
Output from the inverting oscillator amplifier
Input to the inverting timer/counter oscillator amplifier
Output from the inverting timer/counter oscillator amplifier
2-wire serial input/output clock
2-wire serial input/output data
XTAL1 and XTAL2 are input and output, respectively, of an inverting amplifier, which can be
configured for use as an on-chip oscillator, as shown in
ceramic resonator may be used.
Figure 4-1.
Oscillator Connections
HC
MAX 1 HC BUFFER
C2
C1
AT94KAL Series FPSLIC
GND
XTAL2
XTAL1
R
Figure
BIAS
4-1. Either a quartz crystal or a
C2 = 27 pf
C1 = 33 pf
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