SA5753 Datasheet, PDF (3/15 Pages) NXP Semiconductors – Audio processor - filter and control section

Philips Semiconductors
Audio processor – filter and control section
PIN DESCRIPTIONS
PIN NO.
SYMBOL
1
TXBF_IN
2
TXBF_OUT
3
PREMP_IN
4
V_DD
5
VOX_CTL
6
HPDN
7
DEMP_OUT
8
AUDIO_IN
9
SPKR_OUT
10
EAR_OUT
11
RX DEMOD_IN
12
RX MUTE
13
DFT
14
CLK_IN
15
GND
16
SCL
17
SDA
18
TX MUTE
19
DATA_IN
20
TX_OUT
Transmit bandpass filter input
DESCRIPTION
Transmit bandpass filter output
Pre-emphasis input
Positive supply
Vox control output
Power-down I/O
De-emphasis output
Audio input
Audio output to speaker
Audio output to earpiece
Rx demodulated audio signal input
RX audio signal mute input
Default input, non-I²C or stand-alone operation
Clock input (1.2MHz)
Ground
I²C serial clock line
I²C serial data line
Tx audio signal mute input
Data input
Transmit output
Product specification
SA5753
1997 Nov 07
3