AT91SAM7SE256B-AUR Atmel, AT91SAM7SE256B-AUR Datasheet - Page 421
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
- Current page: 421 of 673
- Download datasheet (11Mb)
33.7.2
Name:
Access:
• USART_MODE
• USCLKS: Clock Selection
• CHRL: Character Length.
6222F–ATARM–14-Jan-11
31
23
15
–
–
7
0
0
1
1
0
0
0
0
0
0
0
0
1
1
0
0
1
1
USART Mode Register
CHMODE
CHRL
USCLKS
CHRL
30
22
14
US_MR
Read/Write
–
–
6
0
1
0
1
0
0
0
0
1
1
1
1
0
1
0
1
0
1
USART_MODE
DSNACK
Character Length
5 bits
6 bits
7 bits
8 bits
29
21
13
–
5
Selected Clock
MCK
MCK/DIV (DIV = 8)
Reserved
SCK
NBSTOP
USCLKS
0
0
1
1
0
0
1
1
0
x
FILTER
INACK
28
20
12
4
0
1
0
1
0
1
0
1
0
x
SAM7SE512/256/32 Preliminary
OVER
27
19
11
–
3
Mode of the USART
Normal
RS485
Hardware Handshaking
Modem
IS07816 Protocol: T = 0
Reserved
IS07816 Protocol: T = 1
Reserved
IrDA
Reserved
CLKO
PAR
26
18
10
2
USART_MODE
MAX_ITERATION
MODE9
25
17
9
1
MSBF
SYNC
24
16
8
0
421
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