AT43USB320A_04 ATMEL [ATMEL Corporation], AT43USB320A_04 Datasheet - Page 6

• Manufacturer Part Number: AT43USB320A_04
• Description: Full-speed USB Microcontroller with an Embedded Hub
• Manufacturer: ATMEL [ATMEL Corporation]

Figure 2. The AT43USB320A Enhanced RISC Architecture
6
AT43USB320A
Instruction
Instruction
External
Program
Memory
Register
Decoder
Control
Lines
Program
Counter
General-purpose
Status and
Registers
Hub and
32 GPIO
Function
32 x 8
Control
ALU
512 x 8
SRAM
Lines
USB
Timer/Counter
Timer/Counter
Serial UART
Watchdog
Interrupt
SPI Unit
16-bit
Unit
Timer
8-bit
1443E–USB–4/04