AT91SAM7SE256B-CUR Atmel, AT91SAM7SE256B-CUR Datasheet - Page 322
![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
- Current page: 322 of 673
- Download datasheet (11Mb)
30.5.11
Name:
Access:
• EXID: Chip ID Extension
Reads 0 if the bit EXT in DBGU_CIDR is 0.
30.5.12
Name:
Access:
• FNTRST: Force NTRST
0 = NTRST of the ARM processor’s TAP controller is driven by the power_on_reset signal.
1 = NTRST of the ARM processor’s TAP controller is held low.
322
31
23
15
31
23
15
–
–
–
–
7
7
SAM7SE512/256/32 Preliminary
Debug Unit Chip ID Extension Register
Debug Unit Force NTRST Register
30
22
14
30
22
14
–
–
–
6
–
6
DBGU_FNR
Read/Write
DBGU_EXID
Read-only
29
21
13
29
21
13
–
–
–
–
5
5
28
20
12
28
20
12
–
–
–
4
–
4
EXID
EXID
EXID
EXID
27
19
11
–
–
–
–
27
19
11
3
3
26
18
10
–
–
–
–
2
26
18
10
2
25
17
–
–
9
–
1
–
25
17
9
1
6222F–ATARM–14-Jan-11
FNTRST
24
16
24
16
–
–
–
8
0
8
0
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