VSX-LX70
37
5
6
7
8
5
6
7
8
C
D
F
A
B
E
2nd DSP
FREESCALE
56371
180MHz
3.3V
1.25V
B/L
Data
B/L
Digital Audio
Data & Clock
(I2S) Output
CN401
From
DIGITAL
MOTHER
Assy
Digital Audio
Data & Clock
(I2S) Input
Data
20MHz
1st DSP
SHARC EX
21366
330MHz
ROM
16M
SRAM
4M
1st DSP
GNDD
GNDD
GND
GND
5.0V
GNDD
GNDD
VDD5
1.2V
DC/DC
3.3V
1.2V
B/L
Data
MCK: Master Clock
B/L: Bit & LR Clock
Data: Audio Data
Audio Clock
DSP UCOM
B/L
MCK
Data
ROM
1M
DSP Block Diagram
• CORE Block
•
Power Block and GND Map
DSP ASSY
AWX8869- /J
DSP ASSY
CN402
From
DIGITAL
MOTHER
Assy
Flash ROM
SRAMs
Logic ICs
GNDD
2nd DSP
REG
REG
1.25V
GNDD
: Shows internal ground (GNDD)
OSC
GNDD
Flash
ROM
3.3V
3.3V &
1.2V
3.3V
3.3V &
1.25V
3.3V
3.3V