AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 376
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
AT91SAM7S256D-AU
Manufacturer Part Number
AT91SAM7S256D-AU
Description
ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
Manufacturer
Atmel
Series
SAM7S256r
Datasheet
1.AT91SAM7S256D-AU.pdf
(775 pages)
Specifications of AT91SAM7S256D-AU
Rohs
yes
Core
ARM
Processor Series
AT91SAM
Data Bus Width
16 bit/32 bit
Maximum Clock Frequency
55 MHz
Program Memory Size
256 KB
Data Ram Size
64 KB
On-chip Adc
Yes
Operating Supply Voltage
3 V to 3.6 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
LQFP-64
Mounting Style
SMD/SMT
Interface Type
2-Wire, I2S, SPI, USART
Length
7 mm
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7S256D-AU
Manufacturer:
ATMEL
Quantity:
101
- Current page: 376 of 775
- Download datasheet (5Mb)
31.6.3.9
Figure 31-16. Receiver Time-out Block Diagram
Table 31-8
Table 31-8.
The receiver is capable of detecting framing errors. A framing error happens when the stop bit of a received char-
acter is detected at level 0. This can occur if the receiver and the transmitter are fully desynchronized.
A framing error is reported on the FRAME bit of the Channel Status Register (US_CSR). The FRAME bit is
asserted in the middle of the stop bit as soon as the framing error is detected. It is cleared by writing the Control
Register (US_CR) with the RSTSTA bit at 1.
Framing Error
Baud Rate
gives the maximum time-out period for some standard baud rates.
RETTO
200000
bit/sec
14400
19200
28800
33400
56000
57600
1 200
2 400
4 800
9 600
600
Maximum Time-out Period
Character
Received
STTTO
1
D
Clear
Q
Baud Rate
Clock
Bit Time
1 667
833
417
208
104
µs
69
52
35
30
18
17
5
Clock
16-bit Time-out
Counter
TO
Load
Time-out
SAM7S Series [DATASHEET]
109 225
54 613
27 306
13 653
16-bit
Value
6 827
4 551
3 413
2 276
1 962
1 170
1 138
328
ms
0
=
6175M–ATARM–26-Oct-12
TIMEOUT
376
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