Enhanced Queued Analog-to-Digital Converter (eQADC)
MPC5510 Microcontroller Family Reference Manual, Rev. 1
Freescale Semiconductor
31-71
Preliminary
Figure 31-41. eQADC eDMA and Interrupt Requests
31.4.8
Analog Submodule
31.4.8.1
Reference Bypass
The reference bypass capacitor (REFBYPC) signal requires a 100 nF capacitor connected to VRL to filter
noise on the internal reference used by the ADC.
Figure 31-42. Reference Bypass Circuit
RFDE
n
RFDF
n
RFDS
n
RFIFO Drain Interrupt Request
CFFE
n
CFFF
n
CFFS
n
CFIFO Fill DMA Request
RFDE
n
RFDF
n
RFDS
n
RFIFO Drain DMA Request
DMA
Request Generation
Logic
CFFE
n
CFFF
n
CFFS
n
CFIFO Fill Interrupt Request
NCIE
n
NCF
n
Non-Coherency Interrupt Request
PIE
n
PF
n
Pause Interrupt Request
EOQIE
n
EOQF
n
End of Queue Interrupt Request
TORIE
n
TORF
n
Trigger Overrun Interrupt Request
CFUIE
n
CFUF
n
CFIFO Underflow Interrupt Request
RFOIE
n
RFOF
n
RFIFO Overflow Interrupt Request
DMA
Request Generation
Logic
Combined Interrupt Request
VRL
REFBYPC
100nF