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