Key facts
- Brand
- Atmel
- Model
- AT91SAM7S256
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-04-10
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Atmel AT91SAM7S256 User Manual
This handbook describes the AT91SAM7S256 microcontroller, a low‑pin‑count 32‑bit ARM7TDMI based device. It outlines the core architecture, flash and SRAM memory organization, peripheral set, and power management features.
The document includes block diagrams, signal descriptions, electrical and mechanical characteristics, ordering information, and errata tables, giving developers the data needed for hardware design and firmware development.
Atmel AT91SAM7S256 specifications
| Flash memory size | 512 KB (AT91SAM7S512) |
|---|---|
| SRAM size | 64 KB (AT91SAM7S512) |
| Maximum CPU frequency | 30 MHz (single‑cycle access) |
| USB device port | USB 2.0 Full Speed (12 Mbps) – not on AT91SAM7S32 |
Source: ATMEL AT91SAM7S512 AT91SAM7S256 AT91SAM7S128 AT91SAM7S64 AT91SAM7S321 AT91SAM7S32 handbook
All Atmel AT91SAM7S256 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What processor core is used in the AT91SAM7S series?
The devices incorporate the ARM7TDMI® ARM® Thumb® processor.
From: ATMEL AT91SAM7S512 AT91SAM7S256 AT91SAM7S128 AT91SAM7S64 AT91SAM7S321 AT91SAM7S32 handbook
How much flash memory does the AT91SAM7S256 contain?
The AT91SAM7S256 includes 256 KB of internal flash organized in a single plane.
From: ATMEL AT91SAM7S512 AT91SAM7S256 AT91SAM7S128 AT91SAM7S64 AT91SAM7S321 AT91SAM7S32 handbook
What is the flash memory capacity of the AT91SAM7S256?
The AT91SAM7S256 contains 256 Kbytes of internal flash memory.
Does the AT91SAM7S256 include a USB device port?
Yes, it provides one USB 2.0 Full Speed device port (except for the AT91SAM7S32/16 variants).
What processor core does the AT91SAM7S256 use?
It incorporates the ARM7TDMI® ARM® Thumb® processor.
Does the AT91SAM7S256 have a USB device port?
Yes, it includes one USB 2.0 Full‑Speed device port (except for the AT91SAM7S32/16 variants).