AT91SAM7SE256-CU Atmel, AT91SAM7SE256-CU Datasheet - Page 622

IC ARM7 MCU FLASH 256K 144-LFBGA

AT91SAM7SE256-CU

Manufacturer Part Number
AT91SAM7SE256-CU
Description
IC ARM7 MCU FLASH 256K 144-LFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet

Specifications of AT91SAM7SE256-CU

Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
EBI/EMI, I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
88
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
32K 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
144-LFBGA
Processor Series
AT91SAMx
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
EBI, SPI, TWI, USART
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
32
Number Of Timers
3
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, AT91SAM7SE-EK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
For Use With
AT91SAM7SE-EK - EVAL BOARD FOR AT91SAM7SEAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
 Details
Other names
AT91SAM7SE256-CJ
AT91SAM7SE256-CJ

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT91SAM7SE256-CU
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
AT91SAM7SE256-CU
Manufacturer:
ATMEL
Quantity:
18
Part Number:
AT91SAM7SE256-CU-999
Manufacturer:
Atmel
Quantity:
10 000
40.4.2
Table 40-10. Main Oscillator Characteristics
Notes:
622
Symbol
1/(t
C
C
C
C
t
I
P
I
C
ST
DDST
DD ON
ON
L1
L1
L
L
LEXT
(6)
(6)
CPMAIN
, C
, C
(6)
L2
L2
1. C
2. R
3. R
4. R
5. R
6. C
)
SAM7SE512/256/32 Preliminary
Main Oscillator Characteristics
S
S
S
S
S
L
and C
is the shunt capacitance.
= 100-200 Ω; C
= 50-100 Ω;
= 25-50 Ω; C
= 20-50 Ω; C
Parameter
Crystal Oscillator Frequency
SAM7SE512/256
Internal Load Capacitance (C
SAM7SE32
Internal Load Capacitance (C
SAM7SE512/256
Equivalent Load Capacitance
SAM7SE32
Equivalent Load Capacitance
Duty Cycle
Startup Time
Standby Current Consumption
Drive level
Current dissipation
Maximum external capacitor
on XIN and XOUT
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
L1
= C
= C
C
XIN
LEXT
L2
L2
M
M
)
)
= 7 -5 fF (typ, worst case).
= 10 - 8 fF (typ, worst case).
M
M
= 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 or XOUT)
Integrated Load Capacitance
(XIN and XOUT in series)
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
AT91SAM7SE
= 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
18
17
30
3
9
Typ
150
150
300
400
16
40
22
20
11
50
6222F–ATARM–14-Jan-11
Max
14.5
250
250
450
550
1.4
20
46
26
23
13
70
15
30
50
50
10
1
1
MHz
Unit
µW
ms
pF
pF
pF
pF
µA
µA
pF
%

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