AT91SAM7X256B-CU Atmel, AT91SAM7X256B-CU Datasheet - Page 167
![IC MCU 256KB FLASH 100TFBGA](/photos/6/89/68968/313-100-cbga_sml.jpg)
AT91SAM7X256B-CU
Manufacturer Part Number
AT91SAM7X256B-CU
Description
IC MCU 256KB FLASH 100TFBGA
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7X256B-CU
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
CAN, Ethernet, I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
62
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
64K 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
100-TFBGA
Processor Series
91S
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
64 KB
Interface Type
CAN, Ethernet, SPI, I2S, TWI, USART, USB
Maximum Clock Frequency
55 MHz
Number Of Programmable I/os
62
Number Of Timers
3
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Package
100TFBGA
Device Core
ARM7TDMI
Family Name
91S
Maximum Speed
55 MHz
On-chip Adc
8-chx10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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Manufacturer
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Price
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23.8.3
Register Name:
Access Type:
Reset Value:
• PRIOR: Priority Level
Programs the priority level for all sources except FIQ source (source 0).
The priority level can be between 0 (lowest) and 7 (highest).
The priority level is not used for the FIQ in the related SMR register AIC_SMRx.
• SRCTYPE: Interrupt Source Type
The active level or edge is not programmable for the internal interrupt sources.
6120H–ATARM–17-Feb-09
31
23
15
–
–
–
7
–
0
0
1
1
AIC Source Mode Register
SRCTYPE
AIC_SMR0..AIC_SMR31
Read-write
0x0
30
22
14
–
–
–
6
SRCTYPE
0
1
0
1
29
21
13
–
–
–
5
Internal Interrupt Sources
High level Sensitive
Positive edge triggered
High level Sensitive
Positive edge triggered
AT91SAM7X512/256/128 Preliminary
28
20
12
–
–
–
4
–
27
19
11
–
–
–
3
–
26
18
10
External Interrupt Sources
Low level Sensitive
Negative edge triggered
High level Sensitive
Positive edge triggered
–
–
–
2
PRIOR
25
17
–
–
9
–
1
24
16
–
–
8
–
0
167
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