NAD D3020 - Preamp Board Schematics (TAS1020 APFB)

8052 Core
I
2
C
Control
8K ROM
6016 Byte RAM
USB Serial
OSC
PLL
ACG
Suspend
/Resume
Logic
I
2
C Bus
C–Port
Port–3 Port–1
USB
SOF
6 MHz
Interface
Engine
CODEC
Interface
1520 Byte
SRAM
UBM DMA
Global
Control/Status
Registers
TAS1020APFB
PREAMP BOARD
10