Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet
Product codes
AT91SAM9G25-EK
865
SAM9G25 [DATASHEET]
11032C–ATARM–25-Jan-13
40.3
Block Diagram
Figure 40-1. Analog-to-Digital Converter Block Diagram
Note:
DMA is sometimes referenced as PDC (Peripheral DMA Controller).
40.4
Signal Description
Table 40-1. ADC Pin Description
Pin Name
Description
VDDANA
Analog power supply
ADVREF
Reference voltage
AD0 - AD11
Analog input channels
ADTRG
External trigger
ADC Interrupt
ADTRG
ADVREF
GND
Trigger
Selection
Control
Logic
Successive
Approximation
Register
Analog-to-Digital
Converter
Timer
Counter
Channels
User
Interface
Interrupt
Controller
Controller
Peripheral Bridge
APB
PDC
System Bus
Analog Inputs
Multiplexed
with I/O lines
PIO
AD-
AD-
AD-
ADC Controller
PMC
MCK
ADC cell
CHx