AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 494

• Manufacturer Part Number: AT91SAM7X128
• Description: MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
• Manufacturer: Atmel

Specifications of AT91SAM7X128

• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Ram Size: 32 KB
• Program Memory Size: 128 KB
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 3

35.6.2
Register Name:
Access Type:
• TRGEN: Trigger Enable
• TRGSEL: Trigger Selection
• LOWRES: Resolution
• SLEEP: Sleep Mode
494
LOWRES
TRGEN
SLEEP
31
23
15
0
1
0
1
0
1
0
0
0
0
1
1
1
1
–
–
7
–
AT91SAM7X512/256/128 Preliminary
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
SHTIM
25
17
9
1
6120H–ATARM–17-Feb-09
TRGEN
24
16
8
0