ak4116 AKM Semiconductor, Inc., ak4116 Datasheet - Page 23
ak4116
Manufacturer Part Number
ak4116
Description
Low Power 48khz Digital Audio Receiver
Manufacturer
AKM Semiconductor, Inc.
Datasheet
1.AK4116.pdf
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ASAHI KASEI
The internal registers may be either written or read by the 4-wire µP interface pins: CSN, CCLK, CDTI & CDTO. The
data on this interface consists of Chip address (2bits, C1-0 are fixed to “00”), Read/Write (1bit), Register address (MSB
first, 5bits) and Control data (MSB first, 8bits). Address and data are clocked in on the rising edge of CCLK and data is
clocked out on the falling edge. For write operations, data is latched after the 16th rising edge of CCLK, after a
high-to-low transition of CSN. For read operations, the CDTO output goes high impedance after a low-to-high transition
of CSN. The maximum speed of CCLK is 5MHz. PDN= “L” resets the registers to their default values.
MS0156-E-03
Serial Control Interface
WRITE
READ
CCLK
CDTO
CSN
CDTI
CDTO
CDTI
C1
C1
0
Figure 24. 4-wire Serial Control I/F Timing
C1,C0:
R/W:
A4-A0:
D7-D0:
C0
C0
1
R/W
R/W
2
A4
A4
3
Chip Address (Fixed to “00”)
READ/WRITE (0:READ, 1:WRITE)
Register Address
Control Data
A3
A3
4
A2
A2
- 23 -
5
Hi-Z
Hi-Z
A1
A1
6
A0
A0
7
D7
D7
D7
8
D6
D6
D6
9
D5
D5
D5
10 11 12 13 14 15
D4
D4
D4
D3
D3
D3
D2
D2
D2
D1
D1
D1
D0
D0
D0
Hi-Z
[AK4116]
2005/08
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