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参数资料
| 型号： | MAX6884ETP+ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | EEPROM-Programmable, Hex, Power-Supply Supervisors with an ADC |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC20 |
| 封装： | 5 X 5 MM, 0.80 MM PITCH, MO-220WHHC, QFN-20 |
| 文件页数： | 22/34页 |
| 文件大小： | 310K |
| 代理商： | MAX6884ETP+ |
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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.
相关PDF资料 |
PDF描述 |
|---|---|
| MAX6885ETP+ | EEPROM-Programmable, Hex, Power-Supply Supervisors with an ADC |
| MAX6886ETP+ | Pin-Selectable, Hex Power-Supply Supervisory Circuit |
| MAX6886ETP+T | Pin-Selectable, Hex Power-Supply Supervisory Circuit |
| MAX6887AETE+ | Hex/Quad, Power-Supply Supervisory Circuits |
| MAX6887AETE+T | Hex/Quad, Power-Supply Supervisory Circuits |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6884ETP+ | 功能描述:监控电路 EEPROM-Prog Hex Power-Sup Sequencer RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6884ETP+T | 功能描述:监控电路 EEPROM-Prog Hex Power-Sup Sequencer RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6884ETP-T | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6884EVCMOD2 | 功能描述:监控电路 Programmers, Development Systems RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6884EVKIT | 功能描述:监控电路 Programmers, Development Systems RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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