AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 553

• Manufacturer Part Number: AT91SAM7S256D-AU
• Description: ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
• Manufacturer: Atmel
• Series: SAM7S256r

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

36.6.7
Register Name:
Access Type:
• LDATA: Last Data Converted
The analog-to-digital conversion data is placed into this register at the end of a conversion and remains until a new conver-
sion is completed.
36.6.8
Register Name:
Access Type:
• EOCx: End of Conversion Interrupt Enable x
• OVREx: Overrun Error Interrupt Enable x
• DRDY: Data Ready Interrupt Enable
• GOVRE: General Overrun Error Interrupt Enable
• ENDRX: End of Receive Buffer Interrupt Enable
• RXBUFF: Receive Buffer Full Interrupt Enable
0 = No effect.
1 = Enables the corresponding interrupt.
OVRE7
EOC7
31
23
15
31
23
15
–
–
–
7
–
–
7
ADC Last Converted Data Register
ADC Interrupt Enable Register
OVRE6
EOC6
30
22
14
30
22
14
ADC_LCDR
Read-only
–
–
–
6
ADC_IER
Write-only
–
–
6
OVRE5
EOC5
29
21
13
29
21
13
–
–
–
5
–
–
5
OVRE4
EOC4
28
20
12
28
20
12
–
–
–
4
–
–
4
LDATA
RXBUFF
OVRE3
EOC3
27
19
11
27
19
11
–
–
–
3
–
3
ENDRX
OVRE2
EOC2
26
18
10
26
18
10
–
–
–
2
–
2
SAM7S Series [DATASHEET]
GOVRE
OVRE1
EOC1
6175M–ATARM–26-Oct-12
25
17
25
17
–
–
9
1
–
9
1
LDATA
OVRE0
DRDY
EOC0
24
16
24
16
–
–
8
0
–
8
0
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