AT91SAM7S321-AU Atmel, AT91SAM7S321-AU Datasheet - Page 555

• Manufacturer Part Number: AT91SAM7S321-AU
• Description: IC ARM7 MCU FLASH 32K 64LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

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

Table 37-2.
Note that even during startup, V
Table 37-3.
6175K–ATARM–30-Aug-10
I
I
I
I
T
SC
SC
SC
O
Symbol
V
V
I
T
I
I
SLOPE
VDDIN
O
O
VDDIN
VDDOUT
START
Static Current
(AT91SAM7S64/321/32/
161/16)
Static Current
(AT91SAM7S256/128)
Static Current
(AT91SAM7S512)
Output Current
Supply Core Slope
Parameter
Supply Voltage
Output Voltage
Current consumption
Startup Time
Maximum DC Output Current
Maximum DC Output Current
DC Characteristics (Continued)
1.8V Voltage Regulator Characteristics
VDDFLASH
On V
MCK = 500Hz
All inputs driven at 1
(including TMS, TDI, TCK, NRST)
Flash in standby mode
All peripherals off.
On V
MCK = 500Hz
All inputs driven at 1
(including TMS, TDI, TCK, NRST)
Flash in standby mode
All peripherals off
On V
MCK = 500Hz
All inputs driven at 1
(including TMS, TDI, TCK, NRST)
Flash in standby mode
All peripherals off
PA0-PA3, V
PA0-PA3, V
PA17-PA20, V
PA17-PA20,V
Other PIOs, V
Other PIOs, V
must always be superior or equal to V
VDDCORE
VDDCORE
VDDCORE
Conditions
I
After startup, no load
After startup, Idle mode, no load
C
V
V
O
DDIN
DDIN
load
= 20 mA
= 2.2 µF, after V
VDDIO
VDDIO
= 3.3V
= 3.3V, in Idle Mode
VDDIO
= 1.85V,
= 1.85V,
= 1.85V,
VDDIO
VDDIO
VDDIO
from 3.0V to 3.6V
from 1.65V to 1.95V
from 1.65V to 1.95V
from 3.0V to 3.6V
from 3.0V to 3.6V
from 1.65V to 1.95V
DDIN
AT91SAM7S Series Preliminary
> 2.7V
T
T
T
T
T
T
A
A
A
A
A
A
= 25°C
= 85°C
= 25°C
= 85°C
= 25°C
= 85°C
VDDCORE
.
1.81
Min
3.0
6
1.85
Typ
3.3
90
4.0
4.0
6.0
25
35
45
Max
1.89
150
100
3.6
25
100
150
200
1
0.5
1.5
15
20
30
16
3
2
8
Units
V/ms
mA
mA
mA
mA
mA
mA
mA
mA
µA
µA
µS
µA
µA
µA
V
V
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