AT91SAM7S32-AI ATMEL [ATMEL Corporation], AT91SAM7S32-AI Datasheet - Page 2
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AT91SAM7S32-AI
Manufacturer Part Number
AT91SAM7S32-AI
Description
AT91 ARM Thumb-based Microcontrollers
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT91SAM7S32-AI.pdf
(446 pages)
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Description
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One Four-channel 16-bit PWM Controller (PWMC)
One Two-wire Interface (TWI)
One 8-channel 10-bit Analog-to-Digital Converter, Four Channels Multiplexed with Digital I/Os
IEEE 1149.1 JTAG Boundary Scan on All Digital Pins
5V-tolerant I/Os, including Four High-current Drive I/O lines, Up to 16 mA Each
Power Supplies
Fully Static Operation: Up to 55 MHz at 1.65V and 85 C Worst Case Conditions
Available in a 48-lead LQFP Package
– Master Mode Support Only, All Two-wire Atmel EEPROMs Supported
– Embedded 1.8V Regulator, Drawing up to 100 mA for the Core and External Components
– 3.3V VDDIO I/O Lines Power Supply, Independent 3.3V VDDFLASH Flash Power Supply
– 1.8V VDDCORE Core Power Supply with Brownout Detector
AT91SAM7S32 Preliminary
Atmel’s AT91SAM7S32 is a member of a series of low pin count Flash microcontrollers
based on the 32-bit ARM RISC processor. It features a 32 Kbyte high-speed Flash and
an 8 Kbyte SRAM, a large set of peripherals and a complete set of system functions
minimizing the number of external components. The device is an ideal migration path for
8-bit microcontroller users looking for additional performance and extended memory.
The embedded Flash memory can be programmed in-system via the JTAG-ICE inter-
face or via a parallel interface on a production programmer prior to mounting. Built-in
lock bits and a security bit protect the firmware from accidental overwrite and preserves
its confidentiality.
The AT91SAM7S32 system controller includes a reset controller capable of managing
the power-on sequence of the microcontroller and the complete system. Correct device
operation can be monitored by a built-in brownout detector and a watchdog running off
an integrated RC oscillator.
The AT91SAM7S32 is a general-purpose microcontroller. Its aggressive price point and
high level of integration pushes its scope of use far into the cost-sensitive, high-volume
consumer market.
6071A–ATARM–28-Oct-04
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