AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 550

• 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

36.6.3
Register Name:
Access Type:
• CHx: Channel x Enable
0 = No effect.
1 = Enables the corresponding channel.
36.6.4
Register Name:
Access Type:
• CHx: Channel x Disable
0 = No effect.
1 = Disables the corresponding channel.
Warning: If the corresponding channel is disabled during a conversion or if it is disabled then reenabled during a conver-
sion, its associated data and its corresponding EOC and OVRE flags in ADC_SR are unpredictable.
CH7
CH7
31
23
15
31
23
15
–
–
–
7
–
–
–
7
ADC Channel Enable Register
ADC Channel Disable Register
CH6
CH6
30
22
14
30
22
14
ADC_CHER
Write-only
–
–
–
6
ADC_CHDR
Write-only
–
–
–
6
CH5
CH5
29
21
13
29
21
13
–
–
–
5
–
–
–
5
CH4
CH4
28
20
12
28
20
12
–
–
–
4
–
–
–
4
CH3
CH3
27
19
11
27
19
11
–
–
–
3
–
–
–
3
CH2
CH2
26
18
10
26
18
10
–
–
–
2
–
–
–
2
SAM7S Series [DATASHEET]
CH1
CH1
6175M–ATARM–26-Oct-12
25
17
25
17
–
–
9
–
1
–
–
9
–
1
CH0
CH0
24
16
24
16
–
–
8
–
0
–
–
8
–
0
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