参数资料
| 型号： | EVAL-ADM1276EBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 44/48页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR ADM1276 |
| 标准包装： | 1 |
| 系列： | * |
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ADM1276
DEVICE_CONFIG
Code: 0xD8, read/write byte. Value after reset: 0x00.
Table 40. Bit Descriptions for DEVICE_CONFIG Command
Data Sheet
Bits
[7]
[6]
Bit Name
OC_GLITCH_TIME
FLB_DISABLE
Settings
0
1
0
1
Description
Default. The long duration glitch filter is used when a severe overcurrent fault is
detected.
The short duration glitch filter is used when a severe overcurrent fault is detected.
Default. Foldback is enabled and can affect the hot swap current sense limit.
Foldback is disabled and does not affect the hot swap current sense limit. This setting
can be useful if the sole purpose of the FLB pin is to act as a power-good input.
[5]
OPERATION_CMD_EN
0
Default. The OPERATION command is disabled, and the ADM1276 issues a no
acknowledge if the command is received. This setting provides some protection
against a card accidentally turning itself off.
1
The OPERATION command is enabled, and the ADM1276 responds to it.
[4]
[3:0]
IOUT_WARN2_SELECT
Reserved
0
1
0000
Default. Configures IOUT_WARN2_LIMIT as an undercurrent threshold.
Configures IOUT_WARN2_LIMIT as an overcurrent threshold.
Always reads as 0000.
POWER_CYCLE
Code: 0xD9, send byte, no data.
PEAK_PIN
Code: 0xDA, read/write word. Value after reset: 0x0000 (writing 0x0000 clears the peak value).
Table 41. Bit Descriptions for PEAK_PIN Command
Bits
[15]
[14:0]
Bit Name
Reserved
PEAK_PIN
Settings
0
Description
Always reads as 0.
Returns the peak input power since the register was last cleared.
READ_PIN_EXT
Code: 0xDB, block read. Value after reset: 0x03, 0x000000.
Table 42. Byte Descriptions for READ_PIN_EXT Command
Byte
[0]
[3:1]
Byte Name
Byte count
PIN extended
Value
0x03
0x000000
Description
Always reads as 0x03, the number of data bytes that the block read command
expects to read.
Result of the VIN × IOUT calculation that has not been truncated. Byte 3 is the high
byte, Byte 2 is the middle byte, and Byte 1 is the low byte.
READ_EIN_EXT
Code: 0xDC, block read. Value after reset: 0x08, 0x000000, 0x0000, 0x000000.
Table 43. Byte Descriptions for READ_EIN_EXT Command
Byte
[0]
Byte Name
Byte count
Value
0x08
Description
Always reads as 0x08, the number of data bytes that the block read command
expects to read.
[3:1]
Energy count extended
0x000000
24-bit energy accumulator in direct format. Byte 3 is the high byte, Byte 2 is the
middle byte, and Byte 1 is the low byte.
[5:4]
Rollover count extended
0x0000
Number of times that the energy counter has rolled over from 0x7FFF to 0x0000.
This is a straight 16-bit binary value. Byte 5 is the high byte, and Byte 4 is the low
byte.
[8:6]
Sample count
0x000000
Total number of PIN samples acquired and accumulated in the energy count
accumulator. Byte 8 is the high byte, Byte 7 is the middle byte, and Byte 6 is the
low byte.
Rev. C | Page 44 of 48
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