Debug Mode; Write To Local Memory - Analog Devices SHARC ADSP-214 Series Hardware Reference Manual

4. Program the
= V/16
VDIM
LOG2VDIM
= H/16
HDIM
LOG2HDIM
NOVER256
FFT_RPT
5. Program the
= 1
FFT_EN
FFT_START
FFT_DMAEN
FFT_DEBUG
For steps 6–15, see

Debug Mode

The next sections show the steps required for reading and writing local
memory in debug mode.

Write to Local Memory

1. Enable the FFT module using the
2. Wait at least 4
3. Clear the
4. Set the
FFT_DBG
5. Write first data to the
6. Write address to the
determines which memory to write.
7. Wait at least 12
ADSP-214xx SHARC Processor Hardware Reference
www.BDTIC.com/ADI
register with:
FFTCTL2
= Log2(V)
= Log2(H)
= VH/256
= 1.
register with:
FFTCTL1
= 1
= 1
= 0
"N >= 512, No Repeat"
cycles.
CCLK
bit in the
FFT_DMAEN
bit in the
FFTCTL1
FFTDDATA
FFTDADDR
cycles before writing again
CCLK
FFT/FIR/IIR Hardware Modules
= 0
FFT_RST
above.
register.
PMCTL1
register.
FFTCTL1
register.
register.
register. Note the MSB Address bits
FFTDDATA
register.
6-27