AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 394
![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
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31.7.3
Name:
Access Type:
Note:
• RXRDY: RXRDY Interrupt Enable
• TXRDY: TXRDY Interrupt Enable
• RXBRK: Receiver Break Interrupt Enable
• ENDRX: End of Receive Transfer Interrupt Enable
• ENDTX: End of Transmit Interrupt Enable
• OVRE: Overrun Error Interrupt Enable
• FRAME: Framing Error Interrupt Enable
• PARE: Parity Error Interrupt Enable
• TIMEOUT: Time-out Interrupt Enable
• TXEMPTY: TXEMPTY Interrupt Enable
• ITERATION: Iteration Interrupt Enable
• TXBUFE: Buffer Empty Interrupt Enable
• RXBUFF: Buffer Full Interrupt Enable
• NACK: Non Acknowledge Interrupt Enable
• RIIC: Ring Indicator Input Change Enable
• DSRIC: Data Set Ready Input Change Enable
• DCDIC: Data Carrier Detect Input Change Interrupt Enable
• CTSIC: Clear to Send Input Change Interrupt Enable
PARE
31
23
15
–
–
–
7
1. DCDIC, DSRIC and RIIC do not pertain to the SAM7S32/16.
USART Interrupt Enable Register
FRAME
30
22
14
Write-only
–
–
–
6
US_IER
NACK
OVRE
29
21
13
–
–
5
RXBUFF
ENDTX
28
20
12
–
–
4
TXBUFE
ENDRX
CTSIC
27
19
11
–
3
ITERATION
DCDIC
RXBRK
26
18
10
–
2
SAM7S Series [DATASHEET]
(1)
TXEMPTY
DSRIC
TXRDY
6175M–ATARM–26-Oct-12
25
17
–
9
1
(1)
TIMEOUT
RXRDY
RIIC
24
16
–
8
0
(1)
394
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