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ATSAM4S-XPLD
968
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
40.4
Pin Name List
40.5
Product Dependencies
40.5.1 I/O Lines
The analog input pins (AD0-AD7 and DAC0-1) are multiplexed with PIO lines. In this case, the assignment of the ACC
inputs is automatically done as soon as the corresponding input is enabled by writing the ACC Mode register
(SELMINUS and SELPLUS).
inputs is automatically done as soon as the corresponding input is enabled by writing the ACC Mode register
(SELMINUS and SELPLUS).
40.5.2 Power Management
The ACC is clocked through the Power Management Controller (PMC), thus the programmer must first configure the
PMC to enable the Analog Comparator Controller clock.
PMC to enable the Analog Comparator Controller clock.
Note that the voltage regulator needs to be activated to use the Analog Comparator.
40.5.3 Interrupt
The ACC has an interrupt line connected to the Interrupt Controller (IC). Handling the ACC interrupt requires
programming the Interrupt Controller before configuring the ACC.
programming the Interrupt Controller before configuring the ACC.
40.5.4 Fault Output
and implementation of the PWM in the product.
Table 40-1. ACC Pin List
Pin Name
Description
Type
AD0..AD7
Analog Inputs
Input
TS
On-Chip Temperature Sensor
Input
ADVREF
ADC Voltage Reference.
Input
DAC0, DAC1
On-Chip DAC Outputs
Input
FAULT
Drives internal fault input of PWM
Output
Table 40-2. Peripheral IDs
Instance
ID
ACC
33