AT91SAM7S321-AU Atmel, AT91SAM7S321-AU Datasheet - Page 771
![IC ARM7 MCU FLASH 32K 64LQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
AT91SAM7S321-AU
Manufacturer Part Number
AT91SAM7S321-AU
Description
IC ARM7 MCU FLASH 32K 64LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheets
1.AT91SAM7S16-MU.pdf
(51 pages)
2.AT91SAM7S16-MU.pdf
(779 pages)
3.AT91SAM7S321-AU.pdf
(600 pages)
Specifications of AT91SAM7S321-AU
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Processor Series
AT91SAMx
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
8 KB
Interface Type
I2C, I2S, SPI, SSC, TWI, UART, USB
Maximum Clock Frequency
55 MHz
Number Of Programmable I/os
32
Number Of Timers
10 bit
Operating Supply Voltage
1.8 V to 3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, KSK-AT91SAM7S-PL, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP, AT91SAM7S-EK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Controller Family/series
AT91SAM7xxxx
No. Of I/o's
32
Ram Memory Size
8KB
Cpu Speed
55MHz
No. Of Timers
3
Rohs Compliant
Yes
For Use With
AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Table of Contents
6175K–ATARM–30-Aug-10
1
2
3
4
5
6
7
8
Features ..................................................................................................... 1
Description ............................................................................................... 3
Block Diagram .......................................................................................... 4
Signal Description ................................................................................... 6
Package and Pinout ................................................................................. 9
Power Considerations ........................................................................... 12
I/O Lines Considerations ....................................................................... 14
Processor and Architecture .................................................................. 16
Memories ................................................................................................ 18
1.1
4.1
4.2
4.3
4.4
5.1
5.2
5.3
5.4
6.1
6.2
6.3
6.4
6.5
6.6
7.1
7.2
7.3
7.4
8.1
8.2
Configuration Summary of the AT91SAM7S512, AT91SAM7S256,
AT91SAM7S128, AT91SAM7S64, AT91SAM7S321, AT91SAM7S32,
AT91SAM7S161 and AT91SAM7S16 3
64-lead LQFP and 64-pad QFN Package Outlines ...........................................9
64-lead LQFP and 64-pad QFN Pinout ...........................................................10
48-lead LQFP and 48-pad QFN Package Outlines .........................................11
48-lead LQFP and 48-pad QFN Pinout ...........................................................11
Power Supplies ................................................................................................12
Power Consumption ........................................................................................12
Voltage Regulator ............................................................................................12
Typical Powering Schematics ..........................................................................13
JTAG Port Pins ................................................................................................14
Test Pin ...........................................................................................................14
Reset Pin .........................................................................................................14
ERASE Pin ......................................................................................................14
PIO Controller A Lines .....................................................................................14
I/O Line Drive Levels .......................................................................................15
ARM7TDMI Processor .....................................................................................16
Debug and Test Features ................................................................................16
Memory Controller ...........................................................................................16
Peripheral DMA Controller ...............................................................................17
AT91SAM7S512 ..............................................................................................18
AT91SAM7S256 ..............................................................................................18
AT91SAM7S Series Preliminary
761
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