TDA7550 Datasheet, PDF (5/12 Pages) STMicroelectronics – DIGITAL SIGNAL PROCESSING IC FOR SPEECH AND AUDIO APPLICATIONS

TDA7550R - TDA7550 - TDA7551 - TDA7552 - TDA7553
PIN FUNCTIONS (continued)
N.
Name
Type
Description
69
XTI
I
Crystal Oscillator Input. Crystal Oscillator Input drive
70
PGND
O
PLL Ground Input. Ground connection for Oscillator circuit
71
PVCC
I
PLL Power Supply Positive. Supply for PLL Clock Oscillator
72
XTO
O
Crystal Oscillator Output. Crystal Oscillator Output drive
73
ALE
O
EMI Address Latch Enable. This pin acts as the EMI Address Latch Enable for the
External Memory Interface
74
GND
I
Ground
75
DRDN
O
EMI Read Enable. This pin serves as the read enable for the EMI
76 EMI_AD0
I/O
EMI Multiplexed Address/Data Line 0. these pin acts as the EMI multiplexed
address and data line 0
77 EMI_AD1
I/O
EMI Multiplexed Address/Data Line 1. these pin acts as the EMI multiplexed
address and data line 1
78 EMI_AD2
I/O
EMI Multiplexed Address/Data Line 2. these pin acts as the EMI multiplexed
address and data line 2
79 EMI_AD3
I/O
EMI Multiplexed Address/Data Line 3. these pin acts as the EMI multiplexed
address and data line 3
80 EMI_AD4
I/O
EMI Multiplexed Address/Data Line 4. these pin acts as the EMI multiplexed
address and data line 4
RECOMMENDED DC OPERATING CONDITIONS
Symbol
V_DD
TJ
Parameter
Power Supply Volrage Range
Operating Junction Temp.
Test Condition
Min. Typ. Max. Unit
3
3.3
3.6
V
–40
125
°C
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