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參數(shù)資料
| 型號(hào)： | DS2720CU/T&R |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | MICRO, SOP-8 |
| 文件頁數(shù)： | 2/21頁 |
| 文件大?。?/td> | 264K |
| 代理商： | DS2720CU/T&R |
DS2720
10 of 21
BIT 5—This bit is read only. The value of this bit is set by bit 5 of address 31h and is factory set to 0.
The value of address 31h bit 5 must not be changed.
RNAOP—Read Net Address Opcode. A value of 0 in this bit sets the opcode for the read net address
command to 33h, while a 1 sets the opcode to 39h. This bit is read-only. The desired default value should
be set in bit 4 of address 31h. The factory default for RNAOP is 0.
BIT 3—This bit is read only. The value of this bit is set by bit 3 of address 31h and is factory set to 0.
The value of address 31h bit 3 must not be changed.
X—Reserved Bits.
EEPROM REGISTER
The format of the EEPROM register is shown in Figure 6. The function of each bit is described in detail
in the following paragraphs.
Figure 6. EEPROM REGISTER FORMAT
Address 07
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
EEC
LOCK
X
BL1
BL0
EEC—EEPROM Copy Flag. A 1 in this read-only bit indicates that a copy data command is in progress.
While this bit is high, writes to EEPROM addresses are ignored. A 0 in this bit indicates that data can be
written to unlocked EEPROM blocks if the DS2720 is in the active mode of operation.
LOCK—EEPROM Lock Enable. When this bit is 0, the lock command is ignored. Writing a 1 to this bit
enables the lock command. After the lock command is executed, the LOCK bit is reset to 0. The LOCK
bit is a volatile R/W bit, initialized to 0 upon POR.
BL1—EEPROM Block 1 Lock Flag. A 1 in this read-only bit indicates that EEPROM block 1 (addresses
30 to 33h) is locked (read-only) while a 0 indicates block 1 is unlocked (read/write).
BL0—EEPROM Block 0 Lock Flag. A 1 in this read-only bit indicates that EEPROM block 0 (addresses
20 to 23h) is locked (read-only) while a 0 indicates block 0 is unlocked (read/write).
X—Reserved Bits.
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