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參數(shù)資料
| 型號： | MAX6621AUB+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TRANSLATOR PECI-I2C 10-MSOP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 邏輯功能： | 變換器 |
| 位數(shù)： | 1 |
| 輸入類型： | PECL |
| 輸出類型： | I²C? |
| 通道數(shù)： | 1 |
| 輸出/通道數(shù)目： | 1 |
| 差分 - 輸入:輸出： | 無/無 |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -20°C ~ 120°C |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 10-µMAX |
| 包裝： | 帶卷 (TR) |
MAX6621
Error Codes
Error codes are represented as 16-bit words in the
8000h–81FFh range as shown in Table 14.
ALERT Output
The MAX6621 asserts ALERT when a PECI temperature
exceeds a configurable threshold after averaging.
Table 15 below shows the registers that set the thresh-
old and read the alert temperature for each socket. If
there are no active alerts, an error is returned as shown
in Table 14. If polling is disabled, the alert temperatures
are only checked when the request polling command is
called.
Once ALERT is asserted, a subsequent drop in temper-
ature does not clear the alert. ALERT must be cleared
by calling the clear alert command.
Clear Alert
The clear alert is shown in Table 16, and this command
clears an active alert. If the temperature still exceeds
one of the thresholds after clearing, ALERT reasserts
on the next PECI temperature read. New alerts are dis-
abled when mask alerts (CONFIG0, bit 4) is set. This
does not affect an existing alert. The clear alert com-
mand needs to be called to clear it.
Read Alert Socket/Domain
Table 17 shows the read alert socket/domain com-
mand. Call this command to check for the socket/
domain (register) that caused the alert to become
active. If multiple temperatures exceed their respective
thresholds, only the first violation is recorded. Register
address is held in low byte.
PECI-to-I2C Translator
12
______________________________________________________________________________________
ERROR
CODES
DESCRIPTION
8000h–
80FFh
Refer to Intel PECI specification.
8100h
PECI transaction failed for more than the
configured number of consecutive retries.
8101h
Polling disabled for requested socket/domain.
8102h
First poll not yet completed for requested
socket/domain (on startup).
8103h
Read maximum temperature requested, but no
sockets/domains enabled or all enabled
sockets/domains have errors; or read maximum
temperature address requested, but read
maximum temperature was not called.
8104h
Get alert socket/domain requested, but no alert
active.
Table 14. Error Codes
COMMAND
DESCRIPTION
TYPE
DEFAULT
10h
Read/write alert
temperature for
socket 0
ReadWord/
WriteWord
7FFFh
11h
Read/write alert
temperature for
socket 1
ReadWord/
WriteWord
7FFFh
12h
Read/write alert
temperature for
socket 2
ReadWord/
WriteWord
7FFFh
13h
Read/write alert
temperature for
socket 3
ReadWord/
WriteWord
7FFFh
Table 15. Read/Write Temperature Alert
Commands
COMMAND
DESCRIPTION
TYPE
15h
Clear alert
SendByte
Table 16. Clear Alert
COMMAND
DESCRIPTION
TYPE
RESULT
0Bh
Read alert socket
and domain
ReadWord
16-bit word
Table 17. Read Alert Socket/Domain
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