AT91SAM_14 datasheet(3/50 Pages) ATMEL

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SAM7S Series [DATASHEET]

6175KS–ATARM–25-Oct-12

• Fully Static Operation: Up to 55 MHz at 1.65V and 85

⋅ C Worst Case Conditions

• Available in 64-lead LQFP Green or 64-pad QFN Green Package (SAM7S512/256/128/64/321/161) and 48-lead LQFP Green or

48-pad QFN Green Package (SAM7S32/16)

Description

Atmel’s SAM7S is a series of low pincount Flash microcontrollers based on the 32-bit ARM RISC processor. It fea-

tures a high-speed Flash and an SRAM, a large set of peripherals, including a USB 2.0 device (except for the

SAM7S32 and SAM7S16), 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 interface or via a parallel interface

on a production programmer prior to mounting. Built-in lock bits and a security bit protect the firmware from acci-

dental overwrite and preserves its confidentiality.

The SAM7S Series 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 SAM7S Series are general-purpose microcontrollers. Their integrated USB Device port makes them ideal devices

for peripheral applications requiring connectivity to a PC or cellular phone. Their aggressive price point and high level of

integration pushes their scope of use far into the cost-sensitive, high-volume consumer market.

1.1

Configuration Summary of the SAM7S512, SAM7S256, SAM7S128, SAM7S64, SAM7S321,

SAM7S32, SAM7S161 and SAM7S16

The SAM7S512, SAM7S256, SAM7S128, SAM7S64, SAM7S321, SAM7S32, SAM7S161 and SAM7S16 differ in

memory size, peripheral set and package. Table 1-1 summarizes the configuration of the six devices.

Except for the SAM7S32/16, all other SAM7S devices are package and pinout compatible.

Notes: 1. Fractional Baud Rate.

2. Full modem line support on USART1.

3. Only two TC channels are accessible through the PIO.

Table 1-1.

Configuration Summary

Device

Flash

TWI

Flash

Organization SRAM

USB

Device

Port

USART

External

Interrupt

Source

PDC

Channels

I/O 5V

Tolerant

I/O

Lines

Package

SAM7S512

512 Kbytes Master

dual plane

64 Kbytes 1

2(1) (2)

211

Yes

LQFP/

QFN 64

SAM7S256

256 Kbytes Master

single plane

64 Kbytes 1

2(1) (2)

211

Yes

LQFP/

QFN 64

SAM7S128

128 Kbytes Master

single plane

32 Kbytes 1

2(1) (2)

211

Yes

LQFP/

QFN 64

SAM7S64

64 Kbytes

Master

single plane

16 Kbytes 1

2(2)

211

Yes

LQFP/

QFN 64

SAM7S321

32 Kbytes

Master

single plane

8 Kbytes

2(2)

211

Yes

LQFP/

QFN 64

SAM7S32

32 Kbytes

Master

single plane

8 Kbytes

not

present

3(3)

Yes

LQFP/

QFN 48

SAM7S161

16 Kbytes

Master/

Slave

single plane

4 Kbytes

2(2)

211

LQFP

SAM7S16

16 Kbytes

Master/

Slave

single plane

4 Kbytes

not

present

3(3)

LQFP/

QFN 48

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