參數(shù)資料
型號(hào)： DS2770
英文描述： Battery Monitor and Charge Controller
中文描述： 電池充電控制器監(jiān)控
文件頁(yè)數(shù)： 21/27頁(yè)
文件大?。?/td> 272K
代理商： DS2770
DS2770
21 of 27
FUNCTION COMMANDS
Table 3
COMMAND
DESCRIPTION
COMMAND
PROTOCOL
BUS STATE AFTER
COMMAND
PROTOCOL
BUS DATA
Read Data
Reads data from
memory map starting
at address XX
Writes data to memory
starting at address XX
69h, XX
Master R
X
Unlimited
Write Data
6Ch, XX
Master Tx
Unlimited
Copy Data
Copies shadow RAM
data to EEPROM
block that begins with
address location XX
Recalls EEPROM
block that begins with
address location XX to
shadow RAM
Permanently locks the
block of lockable
EEPROM memory
that begins with
address location XX
Restores Status
Register initialization
data
Initiates charge
through the host
interface.
Terminates charge
through the host
interface.
48h, XX
Master Reset
None
Recall Data
B8h, XX
Master Reset
None
Lock
6Ah, XX
Master Reset
None
Refresh
63h
Master Reset
None
Start Charge
B5h
Master Reset
None
Stop Charge
BEh
Master Reset
None
I/O SIGNALING
The 1-Wire bus requires strict signaling protocols to insure data integrity. The DS2770 uses the following
four protocols: the initiation sequence (reset pulse followed by presence pulse), Write 0, Write 1, and
Read Data. All of these types of signaling except the presence pulse are initiated by the bus master.
Figure 18 shows the initialization sequence required to begin any communication with the DS2770. A
presence pulse following a reset pulse indicates the DS2770 is ready to accept a Net Address command.
The bus master transmits (T
X
) a reset pulse for t
RSTL
. The bus master then releases the line and goes into
Receive Mode (R
X
). The 1-Wire bus line is then pulled high by the pull-up resistor. After detecting the
rising edge on the DQ pin, the DS2770 waits for the t
PDH
and then transmits the presence pulse for t
PDL
.
相關(guān)PDF資料
PDF描述
DS2770AE Battery Monitor and Charge Controller
DS2770AE-025 Battery Monitor and Charge Controller
DS2770BE Battery Monitor and Charge Controller
DS28E04-100 4096-Bit Addressable 1-Wire EEPROM with PIO
DS28E04S-100 4096-Bit Addressable 1-Wire EEPROM with PIO
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2770AE 制造商:Maxim Integrated Products 功能描述:BAT MONITOR CHARGE CNTRL VCV=4.1 - Rail/Tube
DS2770AE/R 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Battery Monitor and Charge Controller
DS2770AE/T 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Battery Monitor and Charge Controller
DS2770AE/T&R 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Battery Monitor and Charge Controller
DS2770AE/TR 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC
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