AT91SAM7SE256B-AUR Atmel, AT91SAM7SE256B-AUR Datasheet - Page 659
AT91SAM7SE256B-AUR
Manufacturer Part Number
AT91SAM7SE256B-AUR
Description
IC ARM7 MCU FLASH 256K 128-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE256B-AUR
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
*
Processor Series
SAM7SE256
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
SPI, USB
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
88
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Operating Temperature Range
- 40 C to + 85 C
Processor To Be Evaluated
AT91SAM7SE256B
Supply Current (max)
60 uA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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44. Revision History
6222F–ATARM–14-Jan-11
Version
6222F
Version
6222E
Comments
Boot ROM:
SAM7SE32 user area addresses updated in
Variables - only used in this section - changed into text (Yy, Yy_prod, Yz, Yz_prod, DRXD_PIO, DTXD_PIO).
SAM7SE512/256/32 Errata - Rev. A Parts:
Section 43.2.2 ”Flash Memory”
‘AT91SAM’ product prefix changed to ‘SAM’ (except for Chip ID and ordering codes).
Comments
Features:
“Mode for General Purpose Two-wire UART Serial Communication” added to
Signal Description:
Table 3-1, “Signal Description
System Controller:
Figure 9-1 ”System Controller Block
AT91SAM7SE512/256/32 Electrical Characteristics:
Section 40.7 ”ADC
AT91SAM7SE512/256/32 Errata - Rev. A Parts:
Section 43.2.9.4 ”USART: RXBRK Flag Error in Asynchronous Mode”
Section 43.2.6.3 ”SPI: Software Reset Must Be Written Twice”
USART: XOFF Character Bad Behavior removed from
Embedded Flash Controller (EFC):
Section 19.2.4.4 ”General-purpose NVM
Text added below
External Bus Interface (EBI):
Note (8) added to row NWR0/NWE/CFWE in
Note (1) added to
Memory Controller (MC):
Section 18.5.2 ”MC Abort Status
Reset Controller (RSTC):
Section 13.2.4.4 ”Software
USB Transceiver Characteristics:
Latest Programmer Datasheet used (UDP_6083S instead of UDP_6083M).
Figure 19-6 ”Example of Partial Page Programming:”
Figure
Characteristics”,
21-6.
Reset”, text added at the end of
List”, AD0-AD3 and AD4-AD7 comments reversed.
added.
Register”, MST0, MST1, SVMST0, SVMST1 edited.
Table 40-17
Diagram”, ‘periph_nreset’ changed into ‘power_on_reset’ for RTT.
Bits”, bit values edited in last paragraph.
Section 25.5 ”Hardware and Software
Table
and
21-3.
Table 40-18
Section 43.2.9
SAM7SE512/256/32 Preliminary
PERRST description.
added.
edited.
description edited.
“Debug Unit
Constraints”.
(DBGU)”.
Change
Request
Ref.
7312
rfo
7541
rfo
Change
Request
Ref.
5846
5271
5222
6774
6626
5785
5337
6236
6774
6774
5687
5436
6774
659
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