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參數(shù)資料
| 型號： | MAX6885ETP+T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | EEPROM-Programmable, Hex, Power-Supply Supervisors with an ADC |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC20 |
| 封裝： | 5 X 5 MM, 0.80 MM PITCH, MO-220WHHC, QFN-20 |
| 文件頁數(shù)： | 22/34頁 |
| 文件大小： | 402K |
| 代理商： | MAX6885ETP+T |
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MAX6884/MAX6885
EEPROM-Programmable, Hex
Power-Supply Supervisory Circuits
______________________________________________________________________________________
29
WRITE BYTE FORMAT
SS
ADDRESS
7 BITS
SEND BYTE FORMAT
RECEIVE BYTE FORMAT
WR
ACK
DATA
8 BITS
ACK
P
ACK
P
DATA BYTE: PRESETS THE
INTERNAL ADDRESS POINTER
DATA BYTE: READS DATA FROM
THE REGISTER COMMANDED BY
THE LAST READ BYTE OR WRITE
BYTE TRANSMISSION. ALSO
DEPENDENT ON A SEND BYTE.
BLOCK WRITE FORMAT
S
ADDRESS WR ACK COMMAND ACK
BYTE
COUNT = N
BYTE
COUNT = 16
ACK DATA BYTE
1
DATA BYTE
1
ACK DATA BYTE
DATA BYTE
ACK DATA BYTE
N
DATA BYTE
N
ACK
P
COMMAND BYTE:
PREPARES DEVICE
FOR BLOCK OPERATION
DATA BYTE: DATA GOES INTO THE REGISTER SET BY THE
COMMAND BYTE
DATA BYTE: DATA GOES INTO THE REGISTER SET BY THE
COMMAND BYTE
.
BLOCK READ FORMAT
S
ADDRESS WR ACK COMMAND ACK SR ADDRESS WR ACK
ACK
P
10h
SLAVE ADDRESS:
EQUIVALENT TO CHIP-
SELECT LINE OF A 3-
WIRE INTERFACE
SLAVE ADDRESS:
EQUIVALENT TO CHIP-
SELECT LINE OF A 3-
WIRE INTERFACE
SLAVE ADDRESS:
EQUIVALENT TO CHIP-
SELECT LINE OF A 3-
WIRE INTERFACE
COMMAND BYTE:
PREPARES DEVICE
FOR BLOCK
OPERATION
SLAVE ADDRESS:
EQUIVALENT TO CHIP-
SELECT LINE OF A 3-
WIRE INTERFACE
SLAVE ADDRESS:
EQUIVALENT TO CHIP-
SELECT LINE OF A 3-
WIRE INTERFACE
SLAVE ADDRESS:
EQUIVALENT TO CHIP-
SELECT LINE OF A 3-
WIRE INTERFACE
.
S
ADDRESS WR ACK
COMMAND
ACK
DATA
ACK
P
7 BITS
8 BITS
7 BITS
8 BITS
COMMAND BYTE:
SELECTS REGISTER YOU
ARE WRITING TO
1
0
1
0
DATA BYTE: DATA GOES INTO THE
REGISTER SET BY THE COMMAND
BYTE IF THE COMMAND IS BELOW
50h. IF THE COMMAND is 80h,
81h, or 82h, THE DATA BYTE PRESETS
THE LSB OF AN EEPROM ADDRESS.
S = START CONDITON
P = STOP CONDITION
SHADED = SLAVE TRANSMISSION
SR = REPEATED START CONDTION
Figure 11. SMBus/I2C Protocols
Read Byte
The read byte protocol allows the master device to
read the register or an EEPROM location (user or con-
figuration) content of the MAX6884/MAX6885 (see
Figure 11). The read byte procedure follows:
1)
The master sends a START condition.
2)
The master sends the 7-bit slave address and a
write bit (low).
3)
The addressed slave asserts an ACK on the
data line.
4)
The master sends 8 data bits.
5)
The active slave asserts an ACK on the data line.
6)
The master sends a repeated start condition.
7)
The master sends the 7-bit slave ID plus a read
bit (high).
8)
The addressed slave asserts an ACK on the
data line.
9)
The slave sends 8 data bits.
10) The master asserts a NACK on the data line.
11) The master generates a STOP condition.
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PDF描述 |
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| MAX6884ETP+ | EEPROM-Programmable, Hex, Power-Supply Supervisors with an ADC |
| MAX6885ETP+ | EEPROM-Programmable, Hex, Power-Supply Supervisors with an ADC |
| MAX6886ETP+ | Pin-Selectable, Hex Power-Supply Supervisory Circuit |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6886ETP | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6886ETP+ | 功能描述:監(jiān)控電路 Pin-Selectable Hex Power-Sup Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6886ETP+T | 功能描述:監(jiān)控電路 Pin-Selectable Hex Power-Sup Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6886ETP-T | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6887AETE | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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