ucb1300 NXP Semiconductors, ucb1300 Datasheet - Page 33

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ucb1300

Manufacturer Part Number
ucb1300
Description
Advanced Modem/audio Analog Front-end
Manufacturer
NXP Semiconductors
Datasheet

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RESET CIRCUIT
RESET is captured in the UCB1300 using a asynchronous pulse stretching circuit. RESET may be pulled down when
the SIBCLK is still stopped. The internal circuit remembers this reset signal and generates an internal reset signal for at
least 5 SIBCLK periods.
2000 Jun 26
RESET
SIBCLK
Advanced modem/audio analog front-end
internal reset
nreset
‘1’
sibclk
count
arstn
D
R
Q
tlnrst
0
Fig.28 Timing diagram of the reset circuit.
Fig.27 Block diagram of the reset circuit.
D
Q
trsti
D
33
Q
1
&
2
3
COUNT
R
Product specification
<3
UCB1300
internal
reset

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