AT91SAM7S32-AI ATMEL [ATMEL Corporation], AT91SAM7S32-AI Datasheet - Page 12

• Manufacturer Part Number: AT91SAM7S32-AI
• Description: AT91 ARM Thumb-based Microcontrollers
• Manufacturer: ATMEL [ATMEL Corporation]

Peripheral Data
Controller
12
AT91SAM7S32 Preliminary
•
•
•
•
Handles data transfer between peripherals and memories
Nine channels
–
–
–
–
–
Low bus arbitration overhead
–
–
Next Pointer management for reducing interrupt latency requirements
Two for the USART
Two for the Debug Unit
Two for the Serial Synchronous Controller
Two for the Serial Peripheral Interface
One for the Analog-to-digital Converter
One Master Clock cycle needed for a transfer from memory to peripheral
Two Master Clock cycles needed for a transfer from peripheral to memory
6071A–ATARM–28-Oct-04