AT91SAM7S321-AU Atmel, AT91SAM7S321-AU Datasheet - Page 353
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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31.4
Table 31-1.
31.5
31.5.1
31.5.2
31.5.3
6175G–ATARM–22-Nov-06
Pin Name
RF
RK
RD
TF
TK
TD
Pin Name List
Product Dependencies
I/O Lines
Power Management
Interrupt
I/O Lines Description
The pins used for interfacing the compliant external devices may be multiplexed with PIO lines.
Before using the SSC receiver, the PIO controller must be configured to dedicate the SSC
receiver I/O lines to the SSC peripheral mode.
Before using the SSC transmitter, the PIO controller must be configured to dedicate the SSC
transmitter I/O lines to the SSC peripheral mode.
The SSC is not continuously clocked. The SSC interface may be clocked through the Power
Management Controller (PMC), therefore the programmer must first configure the PMC to
enable the SSC clock.
The SSC interface has an interrupt line connected to the Advanced Interrupt Controller (AIC).
Handling interrupts requires programming the AIC before configuring the SSC.
All SSC interrupts can be enabled/disabled configuring the SSC Interrupt mask register. Each
pending and unmasked SSC interrupt will assert the SSC interrupt line. The SSC interrupt ser-
vice routine can get the interrupt origin by reading the SSC interrupt status register.
Pin Description
Receiver Frame Synchro
Receiver Clock
Receiver Data
Transmitter Frame Synchro
Transmitter Clock
Transmitter Data
AT91SAM7S Series Preliminary
Input/Output
Input/Output
Input/Output
Input/Output
Output
Type
Input
353
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