AT85C51SND3Bx
Block Diagram
Figure 1.
AT85C51SND3Bx Block Diagram
AT85C51SND3Bx
USB Controller
HS / FS
Device
Controller
Control Processor Unit
Remote Interfaces
Serial Peripheral Interface
Host / OTG
Controller
Enhanced X2
C51 Core
Serial I/O Interface
Interrupt Controller
MMI Controller
Keyboard
Interface
LCD
Interface
Parallel Slave Interface
Memory Unit
Memory Controllers
Clock Controller
Oscillator
PLL
Clock
Generator
Configurable 64 Kbytes
Code / Data RAM
Nand Flash
SM / xD
Cards
MMC V4
SD
Cards
Boot ROM
Power Management
Power Fail
Detector
1.8V
DC-DC
(1)
3V
Regulator
1.8V
Regulator
Timer Unit
2 x 16-bit Timers
Watchdog Timer
16-bit Multimedia Bus
Audio Controller
Audio DAC
Interface
Audio
Processor
Baseband
Processor
Debug Unit
On Chip Debug
Multimedia Bus Manager
Data Flow Controller
Audio Codec
(2)
Notes:
1. AT85C51SND3B3 only
2. AT85C51SND3B2 & AT85C51SND3B3 only
3
7632A–MP3–03/06
ATMEL [ ATMEL CORPORATION ]
