AK7755EN_16 Datasheet, PDF (36/109 Pages) Asahi Kasei Microsystems – DSP with Mono ADC Stereo CODEC + Mic/Lineout Amp

[AK7755]
CONT05: Accelerator Setting, JX3 Setting
W R Name D7
D6 D5
D4
D3
D2
D1 D0 Default
C5h
45h
CONT05
ACCRAM
CLRN
JX3E
FIR
MODE1
FIR
MODE2
SUB
MODE1
SUB
MODE2
MEM
DIV[1]
MEM
DIV[0]
00h
D7: ACCRAMCLRN Accelerator CRAM Clear Setting
0: Accelerator CRAM is cleared by 0 data after releasing reset. (default)
1: Accelerator CRAM is not cleared after releasing reset.
D6: JX3E External Conditional Jump3 Enable
0: JX3 Disable (default), No. 15 pin output (SDOUT2) when OUT2E bit (CONT0A:D1) = “1”
1: JX3 Enable, No. 15 pin Input
D5: FIRMODE1 Accelerator Ch1 Operation Select
0: Adaptive Filter (default)
1: FIR Filter
D4: FIRMODE2 Accelerator Ch2 Operation Select
0: Adaptive Filter (default)
1: FIR Filter
D3: SUBMODE1 Accelerator Ch1 Mode Select
0: Fullband (default)
1: Subband
D2: SUBMODE2 Accelerator Ch2 Mode Select
0: Fullband (default)
1: Subband
D1, D0: MEMDIV[1:0] Accelerator Memory Select
MODE MEMDIV[1:0] ch1 ch2
0
00
2048 - (default)
1
01
1792 256
2
10
1536 512
3
11
1024 1024
Write “0” into the “0” registers.
014006643-E-00
- 36 -
2014/10