ak5365 AKM Semiconductor, Inc., ak5365 Datasheet - Page 27

• Manufacturer Part Number: ak5365
• Description: 24-bit 96khz ?? Adc With Selector/pga/alc
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
In case of 3-wire control mode, the chip address is fixed to C1 bit = “1” and C0 bit = “0”. Table 12 shows the relationship
between chip address (C1-0 bits) and CAD1 pin in I
Note : C1 bit should match with the input level of CAD1 pin.
(1) 3-wire Serial Control Mode (CTRL pin = “L”)
Internal registers may be written by using the 3-wire µP interface pins (CSN, CCLK and CDTI). The data on this interface
consists of a Chip address (2bits, Fixed to “10”), Read/Write (1bit, Fixed to “1”, Write only), Register address (MSB first,
5bits) and Control data (MSB first, 8bits). Address and data is clocked in on the rising edge of CCLK and data is clocked
out on the falling edge. After a low-to-high transition of CSN, data is latched for write operations. The clock speed of
CCLK is 5MHz (max). The value of internal registers is initialized at PDN pin = “L”.
MS0164-E-01
Chip Address
Serial Control Interface
CSN
CCLK
CDTI
C1
0
C1 - C0 : Chip Address (C1="1", C0="0")
R/W :
A4 - A0 : Register Address
D7 - D0 : Control Data
C0
1
READ / WRITE (Fixed to "1" : WRITE only)
R/W
2
CAD1 pin
A4
3
Table 12. Chip address in I
H
L
Figure 14. Serial Control I/F Timing
A3
4
A2
5
2
C-bus control mode.
A1
6
C1 bit
- 27 -
0
1
A0
7
D7
8
2
C-bus control
D6
9
Fixed to “1”
Fixed to “1”
C0 bit
D5
10
D4
11
D3
12
D2
13
D1
14
D0
15
[AK5365
2002/08
]