QF1DA512-DK Quickfilter Technologies LLC, QF1DA512-DK Datasheet - Page 30

• Manufacturer Part Number: QF1DA512-DK
• Description: KIT DEV FOR QF1DA512
• Manufacturer: Quickfilter Technologies LLC
• Series: SavFIRe™r

Specifications of QF1DA512-DK

• Main Purpose: Filters, Digital Filter Design
• Embedded: Yes, ASIC
• Utilized Ic / Part: QF1Da512
• Primary Attributes: 1 512 Tap FIR Filter, 12 ~ 24 Bit
• Secondary Attributes: Quickfilter Software Design Tool GUI, Works from 10 ~ 500ksps ADC Data Rates
• For Use With: WM2582 - EVALDI EARBUDS TYPE Y686-1006 - BOARD MSP-MOJO + EXPANSION HEADR
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 686-1010

Coefficient Memory
Accessing the coefficient memory uses an SPI access as shown below.
Note: * Multiple memory locations can be written/read by extending the SPI access cycle.
Description: FIR filter coefficient memory.
Rev A8 January 7, 2009
Number of bits
Read Access
Write Access
OPCODE
Address 0000h – 00FFh
8 bits
0000h – 0400h COEF_RAM (FIR Filter Coefficient Memory)
86h
87h
Table 5
PRELIMINARY DATA SHEET
FIR Coefficient Memory Access Format
0000h – 00FFh
0000h – 00FFh
ADDRESS
14 bits
30
Data 31 – Data 0
Bit 31 – Bit 0
Don‟t care
Don‟t care
UNUSED
2 bits
32 bits per memory location*
0000h – FFFFh
0000h – FFFFh
DATA
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QF1Da512