USB2223-NU-03 SMSC [SMSC Corporation], USB2223-NU-03 Datasheet - Page 9

• Manufacturer Part Number: USB2223-NU-03
• Description: BUS POWERED USB 2.0 FLASH MEDIA CONTROLLER
• Manufacturer: SMSC [SMSC Corporation]

Bus Powered USB2.0 Flash Media Controller
Datasheet
Chapter 5
SMSC USB2223-03
Auto address generators
( Serial Interface Engine )
( Transciever )
RAMWR_A/B
USB 2.0 PHY
RAMRD_A/B
EP0TX_BC
EP0RX_BC
EP1TX_BC
EP1RX_BC
Block Diagram
SIE
Clocked byPhase 0, 2 Clock
Address
Address
Address
Address
Address
Address
CLOCKOUT
32 bit 15MHz Data Buss
Configuration and Control
SIE Control Regs
Clock Generation
12 MHz
Osc
Address
Page 9
Latch phase 0, 2
SIE
32 Bit
DATASHEET
512 Bytes EP2 TX/RX Buffer B
512 Bytes EP2 TX/RX Buffer A
Interrupt Controller
64 Bytes EP1RX
64 Bytes EP0RX
64 Bytes EP1TX
64 Bytes EP0TX
Latch phase 3
CPU CORE
FAST 8051
8051
60MHz
Latch phase 1
Scratchpad
12K Byte
FMC
SRAM
Clocked by Phase 3 Clock
Data @ 32 bit
15Mhz
1.25KB
SRAM
Flash Media DMA Unit
SRAM (768 Byte)
Revision 1.2 (09-21-04)
Scratchpad
DATA
DATA
DATA
DATA
GPIO
MEM/IO Bus
Control/
Status
ECC
CRC
CRC
Flash Media
Controllers
(FMC)
29pins
64K ROM
15 pins
Controller
Controller
Controller
Controller
Control/
Control/
Control/
Control/
Status
Status
Status
Status
SM
MS
CF
SD
Program Memory/ IO
ROMEN
Bus
MS/HS MS/MS PRO
SM/SSFDC
SD/HS SD/
Memory
Cards
MMC
CF