National Instruments Data Acquisition Device E Series User Manual page 147

Appendix A Device-Specific Information
DAQPad-6015/6016 Block Diagram
Voltage
REF
(8)
Analog
Analog
Input
Mode
Multiplexer
Multiplexer
(8)
PFI / Trigger
Timing
Digital I/O (8)
DAC0
DAC1
DIO (24) 82C55
E Series User Manual
Figure A-6 shows a block diagram of the DAQPad-6015/6016.
Calibration
DACs
+
A/D
PGIA
Converter
–
Config
Memory
Trigger
Analog Input
Interface
Timing/Control
Counter/
DAQ - STC
Timing I/O
Analog Output
Digital I/O
Timing/Control
AO Control
Data (16)
Calibration
DACs
DIO Control
(NI 6016 Only)
Figure A-6. DAQPad-6015/6016 Block Diagram
ADC
Data
FIFO
Program
SRAM
Firmware
Flash
AI Control
Calibrate
IRQ
EEPROM
DMA
DMA/
Interrupt
Analog
EEPROM
Request
Input
Control
Bus
Interface DAQ-STC
DAQ-APE
Bus
RTSI Bus Interface
Interface
A-12
Data
USB
Microcontroller
Config
EEPROM
CPLD
DMA
Control Interface
I/O
Bus
Address
Interface
1 A Fuse
5 V
Supply
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