AKD7780 Datasheet, PDF (3/48 Pages) Asahi Kasei Microsystems – 24-bit stereo ADC’s, a mono ADC and a stereo SRC.

Pin I/O Function
Pin
2 I nCS3 for AK4114
10
3 I INIT_RESET
11
4 I (not used)
12
5 I I2CSEL
13
6 I SCLK
15
7 I SI
8 I nCS for AK7780
9 I nCS2 for FPGA
(8) Audio digital data port
Two of digital ports (SMUX1/SMUX2) are available.
Pin I/O Function
pin I/O Function
1 I MCLK
2 P GND
3 I BITCLK
4 P GND
5 I LRCLK
6
(NC)
7 I DI
8
(NC)
9 P VDD
10 O DO
I/O Function
O (not used)
O (not used)
O RDY
O SO
O (not used)
[AKD7780]
˙
Path Controller
The Path Controller manages I/O control for audio signal, selector, and AK7780 pin configuration. This controller has
3 words register and each register has 16bit. Access is done by 18bit length as bellow format.
nCS2
SCLK
SI
A1 A0 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
ADDRESS=0
D[15]
(test)
D[14:12] SDOUT
D[11:10]
D[9:8]
D[7:6]
D[5:4]
D[3:2]
D[1:0]
SRC
SDIN5
SDIN4
SDIN3
SDIN2
SDIN1
Set 0.
Output signal select.
000: SDOUT1 001: SDOUT2 -- 101: SDOUT6
110: SDOUTA1 111:Low
Select SRC master device.
00: AK4114 01: SMUX1 10: SMUX2 11: Low
SDIN5 pin input select
00: AK4114 01: SMUX1 10: SMUX2 11: Low
SDIN4 pin input select
00: AK4114 01: SMUX1 10: SMUX2 11: Low
SDIN3 pin input select
00: AK4114 01: SMUX1 10: SMUX2 11: Low
SDIN2 pin input select
00: AK4114 01: SMUX1 10: SMUX2 11: Low
SDIN1 pin input select
00: AK4114 01: SMUX1 10: SMUX2 11: Low
<KM090600>
-3-
2007/09