AT91SAM7S32B-AU-999 Atmel, AT91SAM7S32B-AU-999 Datasheet - Page 564

• Manufacturer Part Number: AT91SAM7S32B-AU-999
• Description: IC MCU ARM7 32KB FLASH 48LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S32B-AU-999

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: I²C, SPI, SSC, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 21
• 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: 48-LQFP
• Processor Series: AT91SAMx
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 8 KB
• Interface Type: I2C, JTAG, SPI, USART
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 21
• Operating Supply Voltage: 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
• 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: Details

37.4.2
Table 37-10. Main Oscillator Characteristics
Notes:
564
Symbol
1/(t
C
C
t
I
P
I
C
ST
DDST
DD ON
ON
L1
L
LEXT
(6)
CPMAIN
, C
(6)
L2
1. C
2. R
3. R
4. R
5. R
6. C
)
AT91SAM7S Series Preliminary
Main Oscillator Characteristics
S
S
S
S
S
L
is the shunt capacitance.
= 100-200 Ω; C
= 50-100 Ω;
= 25-50 Ω; C
= 20-50 Ω; C
Parameter
Crystal Oscillator Frequency
Internal Load Capacitance (C
Equivalent Load Capacitance
Duty Cycle
Startup Time
Standby Current Consumption
Drive level
Current dissipation
Maximum external capacitor
on XIN and XOUT
and C
LEXT
∅
SHUNT
SHUNT
C
SHUNT
SHUNT
= 2.5 - 3.0 pF; C
= 3.2 - 4.0 pF; C
= 2.0 - 2.5 pF; C
= 2.0 - 2.5 pF; C
L1
= C
C
XIN
LEXT
L2
M
M
)
M
M
= 7 -5 fF (typ, worst case).
= 10 - 8 fF (typ, worst case).
= 2 – 1.5 fF (typ, worst case) using 1 K ohm serial resistor on xout.
= 4 - 3 fF (typ, worst case).
Conditions
Integrated Load Capacitance
((XIN or XOUT))
Integrated Load Capacitance
(XIN and XOUT in series)
V
C
C
C
Standby mode
@3 MHz
@8 MHz
@16 MHz
@20 MHz
@3 MHz
@8 MHz
@16 MHz
@20 MHz
DDPLL
S
S
S
= 3 pF
= 7 pF
= 7 pF
AT91SAM7S
= 1.2 to 2V
(2)
(3)
(1)
(1)
(1)
(4)
(5)
C
1/(t
1/(t
1/(t
L
CPMAIN
CPMAIN
CPMAIN
) = 16 MHz
C
) = 3 MHz
) = 20 MHz
XOUT
LEXT
Min
34
17
30
3
Typ
150
150
300
400
16
40
20
50
6175K–ATARM–30-Aug-10
Max
14.5
250
250
450
550
1.4
20
46
23
70
15
30
50
50
10
1
1
MHz
Unit
µW
ms
pF
pF
µA
µA
pF
%