AK4601VQ Datasheet, PDF (68/111 Pages) Asahi Kasei Microsystems – Audio HUB CODEC with Digital Mixer

[AK4601]
■ SPI Interface
1. Register Write
(1) Control Register Write
Field
Write data
(1) COMMAND Code 0xC0
(2) ADDRESS
A15~A8
(3) ADDRESS
A7~A0
(4) DATA
D7~D0
One byte of data may be written continuously for each address.
2. Register Read
(1) Control Register Read
Field
Write data
Readout data
(1) COMMAND Code 0x40
(2) ADDRESS
A15~A8
(3) ADDRESS
A7~A0
(4) DATA
D7~D0
One byte of data may be read continuously for each address.
Write Operation
CSN
SCLK
SI
don’tcare
(L/H)
Command Code (8bit)
SO
Hi-Z
Address (16bit)
Low
Data (write)
Read Operation
CSN
Figure 55. SPI Interface Timing (Write)
SCLK
SI
don’tcare
(L/H)
Command Code (8bit)
SO
Hi-Z
Address (16bit)
Low
Figure 56. SPI Interface Timing (Read)
Data (Read)
don’tcare
(L/H)
Hi-Z
don’tcare
(L/H)
Hi-Z
016000391-E-01
- 68 -
2016/12