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参数资料
| 型号： | AD5259EVAL |
| 厂商： | Analog Devices, Inc. |
| 元件分类： | 数字电位计 |
| 英文描述： | Nonvolatile, I2C-Compatible 256-Position, Digital Potentiometer |
| 中文描述： | 非易失，I2C兼容256级，数字电位器 |
| 文件页数： | 6/14页 |
| 文件大小： | 246K |
| 代理商： | AD5259EVAL |
AD5259
Preliminary Technical Data
Rev. PrJ 7/22/04 | Page 6 of 14
Write Modes
Table 6. Writing to RDAC register
Device Address*
(7-bit)
Slave Address Byte
Table 7. Writing to EEPROM register
Device Address*
(7-bit)
Slave Address Byte
S
0
SA
0
0
0
Instruction Byte
0
0
0
0
0
SA D7 D6 D5 D4 D3 D2 D1 D0 SA
Data Byte
P
S
0
SA
0
0
1
Instruction Byte
0
0
0
0
0
SA D7 D6 D5 D4 D3 D2 D1 D0 SA
Data Byte
P
Table 8. Activating Software Write Protect
Device Address*
(7-bit)
Slave Address Byte
S
0
SA
0
1
0
Instruction Byte
0
0
0
0
0
SA
0
0
0
0
0
0
0 WP SA
P
Data Byte
Store/Restore Modes
Table 9. Storing RDAC value to EEPROM
Device Address*
(7-bit)
Slave Address Byte
Table 10. Restoring EEPROM to RDAC
Device Address*
(7-bit)
Slave Address Byte
S = Start Condition
S
0 SA 1
1
0
0
0
0
0
0 SA
P
Instruction Byte
S
0 SA 1
0
1
0
0
0
0
0 SA
P
Instruction Byte
P = Stop Condition
SA = Slave Acknowledge
MA = Master Acknowledge
NA = No Acknowledge
X = Don’t Care
W = Write
R = Read
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| AD5259EVAL2 | 制造商:AD 制造商全称:Analog Devices 功能描述:Nonvolatile, I2C-Compatible 256-Position, Digital Potentiometer |
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