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參數資料
| 型號： | MAX6621AUB+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 7/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TRANSLATOR PECI-I2C 10-MSOP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 邏輯功能： | 變換器 |
| 位數： | 1 |
| 輸入類型： | PECL |
| 輸出類型： | I²C? |
| 通道數： | 1 |
| 輸出/通道數目： | 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） |
| 供應商設備封裝： | 10-µMAX |
| 包裝： | 帶卷 (TR) |
The first six bits of the MAX6621 slave address
(A6:A1) are always 010101. A0 is selected by con-
necting AD0 to GND or VCC. The resulting addresses
are shown in Table 19. Other slave addresses may be
possible as factory options, allowing multiple devices
to be controlled independently from the same inter-
face. Contact microcontroller technical support at
https://support.maxim-ic.com/micro.
MAX6621
PECI-to-I2C Translator
______________________________________________________________________________________
15
TYPICAL READ WORD COMMAND
PEC (PACKET ERROR CHECKSUM) ENABLED
PEC (PACKET ERROR CHECKSUM) DISABLED
MASTER
ADDR:7
W
A
CMD:8
A
MAX6621
ADDR:7
R
A
RESLO:8
A
RESHI:8
A
PEC:8
NA
P
THE RESULT CONSISTS OF RESLO FOR THE 8 LEAST SIGNIFICANT BITS (LSBS) AND RESHI FOR THE 8 MOST SIGNIFICANT BITS (MSBS), RESULTING IN A 16-BIT WORD.
TEMPERATURE DATA AND ERROR CODES ARE GIVEN AS 16-BIT WORDS.
ADDR:7: 7-BIT ADDRESS FOLLOWED BY A READ (R = 1) OR WRITE (W = 0) BIT TO FORM THE 8-BIT ADDRESS USED IN THE I2C/SMBUS PROTOCOL.
P: I2C STOP CONDITION. SEE FIGURE 6.
S: I2C START CONDITION. SEE FIGURE 6.
A: ACK. THE PULSE ON THE 9th CLOCK CYCLE TO INDICATE ACKNOWLEDGE TRANSFER. SLAVE PULLS LOW TO GND AND MASTER PULLS TO SLAVE'S VOL.
NA: NOT ACKNOWLEDGE
CMD: COMMAND BYTE
RESLO: LEAST SIGNIFICANT 8-BIT RESULT
RESHI: MOST SIGNIFICANT 8-BIT RESULT
MASTER
ADDR:7
W
A
CMD:8
A
MAX6621
ADDR:7
R
A
RESLO:8
A
RESHI:8
P
TYPICAL WRITE WORD COMMAND
COMMAND WITH PEC (PACKET ERROR CHECKSUM)
COMMAND WITHOUT PEC (PACKET ERROR CHECKSUM)
MASTER
ADDR:7
W
A
CMD:8
A
S
MASTER
S
INLO:8
A
INHI:8
A
INHI:8
A
P
PEC:8
A
ADDR:7
W
A
CMD:8
A
INLO:8
A
Figure 10. Typical Read/Write Word Command
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