TDA7522 Datasheet, PDF (4/23 Pages) STMicroelectronics – Digital Servo & Decoder

TDA7522
Table 1. Pin Description
Pin Number
Name
01
SERDA
02
SERCK
03
DGTLIN0_OF
04
DGTLIN1_UF
05
DGTLIN2
06
DGTLIN3
07
DGTLIN4
08
DGTLIN5
09
DGTLIN6
10
CORE_VDD_1
11
CORE_VSS_1
12
DGTLIN7
13
DGTSYNC
14
CLKOUT
15
BSR_SDK48
16
BSL_SAK48
17
LRCK
18
C2PO
19
MUTEL
20
MUTER
21
KDMPHYS
22
PON
23
AVDD_1
24
XTI
25
AVSS_1
26
XTO
27
KADC_VRH
28
KADC_VRL
29
KADC_IN
30
CORE_VDD_2
31
CORE_VSS_2
32
Nreset
Function
I/O
O
I
I
I
I
I
I
I
Vdd
Gnd
I
I
O
O
O
O
O
O
O
I/O
I/O
Vdd
I
Gnd
O
I
I
I
Vdd
Gnd
I
Description
Data line for Serial I/F
Clock line for Serial I/F
HF bit 0 and Servo overflow
HF bit 1 and Servo underflow
HF bit 2 and Servo bit 0
HF bit 3 and Servo bit 1
HF bit 4 and Servo bit 2
HF bit 5 and Servo bit 3
HF bit 6 and Servo bit 4
Digital Power supply
Digital Ground
HF bit 7 and Servo bit 5
Sync strobe for Multiplexer
System clock output to TDA7521
LSI I/F clock output or
DAC bit stream right channel output
LSI I/F data output or DAC bit stream left channel output
LSI I/F L/R signal
Validity flag output for CD-ROM decoder
Mute left signal (active high)
Mute right signal (Active high)
De-emphasis indication or ST7 GPIO PA2
System shutdown pin for power saving mode or
ST7 GPIO PC7
Analog power supply
Crystal input
Analog ground
Crystal output
ADC top reference Voltage input
ADC bottom reference Voltage input
ADC input
Digital Power supply
Digital Ground
Hardware reset
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