AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 548

• 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

36.6.2
Register Name:
Access Type:
• TRGEN: Trigger Enable
• TRGSEL: Trigger Selection
• LOWRES: Resolution
• SLEEP: Sleep Mode
LOWRES
TRGEN
SLEEP
31
23
15
0
1
0
1
0
0
0
0
1
1
1
1
0
1
–
–
7
–
ADC Mode Register
Selected TRGEN
Hardware triggers are disabled. Starting a conversion is only possible by software.
Hardware trigger selected by TRGSEL field is enabled.
Selected Mode
Normal Mode
Sleep Mode
Selected Resolution
10-bit resolution
8-bit resolution
TRGSEL
30
22
14
0
0
1
1
0
0
1
1
ADC_MR
Read/Write
–
6
–
SLEEP
29
21
13
0
1
0
1
0
1
0
1
–
5
Selected TRGSEL
TIOA Ouput of the Timer Counter Channel 0
TIOA Ouput of the Timer Counter Channel 1
TIOA Ouput of the Timer Counter Channel 2
Reserved
Reserved
Reserved
External trigger
Reserved
LOWRES
28
20
12
–
4
PRESCAL
STARTUP
27
19
11
3
TRGSEL
26
18
10
2
SAM7S Series [DATASHEET]
SHTIM
6175M–ATARM–26-Oct-12
25
17
9
1
TRGEN
24
16
8
0
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