Datasheet

SAM9G45 [DATASHEET]
Atmel-6438O-ATARM-SAM9G45-Datasheet_08-Dec-15
930
39.3 Block Diagram
Figure 39-1. TSADCC Block Diagram
39.4 Signal Description
TSADC
Interrupt
TSADC
TSADTRG
VDDANA
TSADVREF
GND
Trigger
Selection
ADC Control
Logic
Successive
Approximation
Register
Analog-to-Digital
Converter
Timer
User
Interface
AIC
Peripheral
Bridge
APB
PDC
AD0X
P
AD1X
M
AD3Y
M
GPAD4
GPADx
AD2Y
P
PIO
Touchscreen
Switches
Touchscreen
Sequencer
Memory
Controller
TSADC
Clock
PMC
GPADx: last general-purpose ADC channel defined by the number of channels
....
Analog Multiplexer
TSADCC
Table 39-1. TSADCC Pin Description
Pin Name Description
VDDANA Analog power supply
TSADVREF Reference voltage
AD0X
P
Analog input channel 0 or Touchscreen Top channel
AD1X
M
Analog input channel 1 or Touchscreen Bottom channel
AD2Y
P
Analog input channel 2 or Touchscreen Right channel
AD3Y
M
Analog input channel 3 or Touchscreen Left channel
GPAD4–GPAD7 General-purpose analog input channels 4 to 7
TSADTRG External trigger