AT91SAM7SE256B-CUR Atmel, AT91SAM7SE256B-CUR Datasheet - Page 110
![IC ARM7 MCU FLASH 256K 128-LQFP](/photos/39/70/397007/bga-144_sml.jpg)
AT91SAM7SE256B-CUR
Manufacturer Part Number
AT91SAM7SE256B-CUR
Description
IC ARM7 MCU FLASH 256K 128-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE256B-CUR
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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19.3
Table 19-2.
Table 19-3.
110
Offset
0x60
0x64
0x68
0x6C
Offset
0x70
0x74
0x78
0x7C
Embedded Flash Controller (EFC ) User Interface
SAM7SE512/256/32 Preliminary
Embedded Flash Controller (EFC0) Register Mapping
Embedded Flash Controller (EFC1) Register Mapping
Register
MC Flash Mode Register
MC Flash Command Register
MC Flash Status Register
Reserved
Register
MC Flash Mode Register
MC Flash Command Register
MC Flash Status Register
Reserved
When the security bit is active, the SECURITY bit in the MC_FSR is set.
The User Interface of the EFC is integrated within the Memory Controller with Base Address:
0xFFFF FF00.
The SAM7SE512 is equipped with two EFCs, EFC0 and EFC1, as described in the Register
Mapping tables and Register descriptions that follow.
The SAM7SE256/32 is equipped with one EFC (EFC0).
• When the locking completes, the bit FRDY in the Flash Programming Status Register
(MC_FSR) rises. If an interrupt has been enabled by setting the bit FRDY in MC_FMR, the
interrupt line of the Memory Controller is activated.
MC_FMR
MC_FMR
MC_FCR
MC_FCR
MC_FSR
MC_FSR
Name
Name
–
–
Read/Write
Read/Write
Write-only
Read-only
Write-only
Read-only
Access
Access
–
–
6222F–ATARM–14-Jan-11
Reset State
Reset State
0x0
0x0
–
–
–
–
–
–
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