參數(shù)資料
型號: AK5366
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: 圓形連接器
英文描述: Circular Connector; No. of Contacts:6; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-6 RoHS Compliant: No
中文描述: 24位48KHz的ADC,帶選擇器/美國PGA / ALC的
文件頁數(shù): 29/43頁
文件大小: 338K
代理商: AK5366
ASAHI KASEI
[AK5366
]
MS0309-E-00
2004/05
- 29 -
Chip Address
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
2
C-bus control mode.
CAD1 pin
C1 bit
L
0
H
1
Table 12. Chip address in I
2
C-bus control
Note : C1 bit should match with the input level of CAD1 pin.
Serial Control Interface
(1) 3-wire Serial Control Mode (I2C 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”.
C0 bit
Fixed to “1”
Fixed to “1”
CSN
CCLK
CDTI
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
C1
C0
R/W
A4
A3
A2
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
C1 - C0 : Chip Address (C1="1", C0="0")
R/W : READ / WRITE (Fixed to "1" : WRITE only)
A4 - A0 : Register Address
D7 - D0 : Control Data
Figure 15. Serial Control I/F Timing
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