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參數資料

型號：	ADM1026JSTZ-REEL
廠商：	ANALOG DEVICES INC
元件分類：	電源管理
英文描述：	Complete Thermal and System Management Controller
中文描述：	4-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP48
封裝：	7 X 7 MM, 1.40 MM HEIGHT, LEAD FREE, PLASTIC, MS-026BBC, LQFP-48
文件頁數：	42/56頁
文件大小：	634K
代理商：	ADM1026JSTZ-REEL

ADM1026

Rev. A | Page 42 of 56

Table 31. Register 12h, TDM2 Temperature T

MIN

(Power-On Default 40h, 64°C)

Bit

Name

R/W

Description

7–0

TDM2 Temp T

MIN

R/W

This register contains the T

MIN

value for automatic fan speed control based on the TDM2 temperature

channel.

Table 32. Register 13h, EEPROM Register 3 (Power-On Default 00h)

Bit

Name

R/W

Read

R/W

Write

R/W

Erase

R/W

Write Protect

Once

Test Mode Bit 0

R/W

Test Mode Bit 1

R/W

Test Mode Bit 2

R/W

Clock Extend

R/W

Description

Setting this bit puts the EEPROM into read mode.

Setting this bit puts the EEPROM in write (program) mode.

Setting this bit puts the EEPROM into erase mode.

Setting this bit protects the EEPROM against accidental writing or erasure. This bit is write-once and

can only be cleared by a power-on reset.

Test mode bits. For factory use only

Test mode bits. For factory use only.

Test mode bits. For factory use only

Setting this bit enables SMBus clock extension. The ADM1026 can pull SCL low to extend the clock

pulse if it cannot accept any more data. It is recommended to set this bit to 1 to extend the clock

pulse during repeated EEPROM write or block write operations.

R/W

Table 33. Register 14h, Manufacturer’s Test Register 1 (Power-On Default 00h)

Bit

Name

R/W

7–0

Manufacturer’s Test 1

R/W

Description

This register is used by the manufacturer for test purposes. It should not be read from or written

to in normal operation.

Table 34. Register 15h, Manufacturer’s Test Register 2 (Power-On Default 00h)

Bit

Name

R/W

7–0

Manufacturer’s Test 2 R/W

Description

This register is used by the manufacturer for test purposes. It should not be read from or written

to in normal operation.

Table 35. Register 16h, Manufacturer’s ID (Power-On Default 41h)

Bit

Name

7–0

Manufacturer’s ID Code

R/W

Description

This register contains the manufacturer’s ID code.

Table 36. Register 17h, Revision Register (Power-On Default 4xh)

Bit

Name

3–0

Minor Revision Code

R/W

Description

This nibble contains the manufacturer’s code for minor revisions to the device. Rev 1 = 0h,

Rev 2 = 1h, and so on.

This nibble denotes the generation of the device. For the ADM1026, this nibble reads 4h.

7–4

Major Revision Code

Table 37. Register 18h, Mask Register 1 (Power-On Default 00h)

Bit Name

R/W

Ext1 Temp Mask = 0

R/W

Ext2 Temp

R/W

3.3 V STBY Mask = 0

R/W

3.3 V MAIN Mask = 0

R/W

+5 V Mask = 0

R/W

CCP

Mask = 0

R/W

+12 V Mask = 0

R/W

12 V Mask = 0

R/W

Description