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PDF UCB1300 Data sheet ( Hoja de datos )
| Número de pieza | UCB1300 | |
| Descripción | Advanced modem/audio analog front-end | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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( DataSheet : www.DataSheet4U.com )
INTEGRATED CIRCUITS
DATA SHEET
UCB1300
Advanced modem/audio analog
front-end
Preliminary specification
File under Integrated Circuits, <Handbook>
1999 Jul 20
www.DataSheet4U.com
1 page  
Philips Semiconductors
Advanced modem/audio analog front-end
Preliminary specification
UCB1300
SYMBOL
PIN
DESCRIPTION
RESET
STATE
TYPE(1)
SIBDOUT
SIBCLK
SIBDIN
IRQOUT
n.c
40 SIB data output
41 SIB serial interface clock
42 SIB data input
43 interrupt output
44 not connected
‘1’(6)
−
−
‘0’
−
OC
IC
IC
OC
−
IO4
IO5
IO6
VDDD
45 general purpose I/O pins
46 general purpose I/O pins
47 general purpose I/O pins
48 digital supply
input
input
input
−
I/OC
I/OC
I/OC
S
Notes
1. I/OC = CMOS bidirectional; ID = digital input; S = supply; OA = analog output; IC = CMOS input; IA = analog input;
I/OA = analog bidirectional; OC = CMOS output.
2. VSSD (pins 5 and 37) and VSSA1 (pin 18) are connected internally within the UCB1300.
3. SKPRN/SPKRP (pins 8 and 9), TINN/TINP (pins 14 and 15) and TOUTP/TOUTN are differential pairs
4. TEST (pin 13) is connected to an internal pull-down resistor. This pin should be held LOW during normal operation
of the circuit.
5. The not connected pins (pins 6, 19, 31 and 44) are reserved for future applications and should be left floating.
6. SIBDOUT reset state is 1 until the SIB bus is running. SIBDOUT will be active once the SIB bus has started.
1999 Jul 20
5
5 Page 
Philips Semiconductors
Advanced modem/audio analog front-end
Preliminary specification
UCB1300
BRIDGE TIED
SPEAKER LOAD
UCB1300
SPKRP
9+
8
SPKRN
SINGLE ENDED SPEAKER CONNECTIONS
UCB1300
UCB1300
SPKRP
9
8
SPKRN
+
SPKRP
9
8
SPKRN
++
Fig.6 Possible speaker connections.
The audio input and output path are activated independently; the input path is enabled when AUDIO_IN_ENA is set, the
output path is enabled when AUD_OUT_ENA is set in the audio control register B. This provides the user the means to
reduce the current consumption of the UCB1300 if one part of the audio codec is not used in the application.
The audio codec has a loopback mode for system test purposes, which is activated when the AUDIO_LOOP bit in the
audio control register B is set. This is an analog loopback which internally connects the output of the audio output path
to the input of the audio input path, (see Fig.3). In this mode the normal microphone input is ignored, but the speaker
driver can be operated normally.
1999 Jul 20
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet UCB1300.PDF ] | |
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