參數(shù)資料
型號: AD5258BRMZ1001
廠商: Analog Devices, Inc.
元件分類: 數(shù)字電位計
英文描述: Nonvolatile, I2C-Compatible 64-Position, Digital Potentiometer
中文描述: 非易失,I2C兼容的64工位,數(shù)字電位器
文件頁數(shù): 16/24頁
文件大小: 1299K
代理商: AD5258BRMZ1001
AD5258
I
2
C BYTE FORMATS
The following generic, write, read, and store/restore control
registers for the AD5258 all refer to the device addresses listed
in Table 5, and the mode/condition reference key (S, P, SA, MA,
NA, W, R, and X) listed below.
Rev. 0 | Page 16 of 24
S
= Start Condition
P
= Stop Condition
SA
= Slave Acknowledge
MA
= Master Acknowledge
NA
= No Acknowledge
W
= Write
R
= Read
X
= Don’t Care
Table 5. Device Address Lookup
AD1 and AD0 are three-state address pins.
Device Address
0011000
0011001
0011010
0101001
0101010
0101011
1001100
1001101
1001110
AD1
0
NC
1
0
NC
1
0
NC
1
AD0
0
0
0
NC
NC
NC
1
1
1
GENERIC INTERFACE
Table 6. Generic Interface Format
7-Bit Device Address
(See Table 5)
Slave Address Byte
S
R/W SA C2 C1 C0 A4 A3 A2 A1 A0 SA D7 D6 D5 D4 D3 D2 D1 D0 SA P
Instruction Byte
Data Byte
Table 7. RDAC-to-EEPROM Interface Command Descriptions
C2
C1
C0
0
0
0
0
0
1
0
1
0
Command Description
Operation between I
2
C and RDAC
Operation between I
2
C and EEPROM
Operation between I
2
C and Write Protection
Register. See Table 10.
NOP
Restore EEPROM to RDAC
Store RDAC to EEPROM
1
1
1
0
0
1
0
1
0
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