AT91SAM7X256B-AU Atmel, AT91SAM7X256B-AU Datasheet - Page 171

• Manufacturer Part Number: AT91SAM7X256B-AU
• Description: IC MCU 256KB FLASH 100LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7X256B-AU

• 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-LQFP
• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Controller Family/series: AT91SAM7xxxxx
• No. Of I/o's: 62
• Ram Memory Size: 64KB
• Cpu Speed: 55MHz
• No. Of Timers: 1
• Rohs Compliant: Yes
• Cpu Family: 91S
• Device Core Size: 32b
• Frequency (max): 55MHz
• Total Internal Ram Size: 64KB
• # I/os (max): 62
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 1.8/3.3V
• Operating Supply Voltage (max): 1.95/3.6V
• Operating Supply Voltage (min): 1.65/3V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Compliant

23.8.10
Register Name:
Access Type:
Reset Value:
• NFIQ: NFIQ Status
0 = nFIQ line is deactivated.
1 = nFIQ line is active.
• NIRQ: NIRQ Status
0 = nIRQ line is deactivated.
1 = nIRQ line is active.
23.8.11
Register Name:
Access Type:
• FIQ, SYS, PID2-PID3: Interrupt Enable
0 = No effect.
1 = Enables corresponding interrupt.
6120H–ATARM–17-Feb-09
PID31
PID23
PID15
PID7
31
23
15
31
23
15
–
–
–
7
–
7
AIC Core Interrupt Status Register
AIC Interrupt Enable Command Register
PID30
PID22
PID14
PID6
AIC_CISR
Read-only
0
30
22
14
AIC_IECR
Write-only
30
22
14
–
–
–
6
–
6
PID29
PID21
PID13
PID5
29
21
13
29
21
13
–
–
–
5
–
5
PID28
PID20
PID12
AT91SAM7X512/256/128 Preliminary
PID4
28
20
12
28
20
12
–
–
–
4
–
4
PID27
PID19
PID11
PID3
27
19
11
27
19
11
–
–
–
3
–
3
PID26
PID18
PID10
PID2
26
18
10
26
18
10
–
–
–
2
–
2
PID25
PID17
NIRQ
PID9
SYS
25
17
25
17
–
–
9
–
1
9
1
PID24
PID16
NIFQ
PID8
FIQ
24
16
24
16
–
–
8
–
0
8
0
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