AT91SAM7S321-AU Atmel, AT91SAM7S321-AU Datasheet - Page 594
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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- Download datasheet (7Mb)
6175G–ATARM–22-Nov-06
13 Reset Controller (RSTC) ........................................................................ 57
14 Real-time Timer (RTT) ............................................................................ 73
15 Parallel Input Output Controller (PIO) .................................................. 79
16 Periodic Interval Timer (PIT) ............................................................... 105
17 Watchdog Timer (WDT) ....................................................................... 111
18 Voltage Regulator Mode Controller (VREG) ...................................... 117
12.2
12.3
12.4
12.5
13.1
13.2
13.3
13.4
14.1
14.2
14.3
14.4
15.1
15.2
15.3
15.4
15.5
15.6
16.1
16.2
16.3
16.4
17.1
17.2
17.3
17.4
18.1
18.2
Block Diagram ...................................................................................................47
Application Examples ........................................................................................48
Debug and Test Pin Description ........................................................................50
Functional Description .......................................................................................51
Overview ...........................................................................................................57
Block Diagram ...................................................................................................57
Functional Description .......................................................................................58
Reset Controller (RSTC) User Interface ............................................................67
Overview ...........................................................................................................73
Block Diagram ...................................................................................................73
Functional Description .......................................................................................73
Real-time Timer (RTT) User Interface ...............................................................75
Overview ...........................................................................................................79
Block Diagram ...................................................................................................80
Product Dependencies ......................................................................................81
Functional Description .......................................................................................82
I/O Lines Programming Example ......................................................................87
User Interface ....................................................................................................88
Overview .........................................................................................................105
Block Diagram .................................................................................................105
Functional Description .....................................................................................106
Periodic Interval Timer (PIT) User Interface ....................................................108
Overview .........................................................................................................111
Block Diagram .................................................................................................111
Functional Description .....................................................................................112
Watchdog Timer (WDT) User Interface ...........................................................114
Overview .........................................................................................................117
Voltage Regulator Power Controller (VREG) User Interface ...........................118
AT91SAM7S Series Preliminary
595
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