参数资料
型号: DS2788E+T&R
厂商: Maxim Integrated Products
文件页数: 27/32页
文件大小: 0K
描述: IC FUEL GAUGE W/DSP DRV 14TSSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
功能: 燃料,电量检测计/监控器
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
电源电压: 2.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 14-TSSOP
包装: 带卷 (TR)
Stand-Alone Fuel-Gauge IC with
LED Display Drivers
Copy Data [48h, XX]. This command copies the con-
tents of the EEPROM shadow RAM to EEPROM cells for
the EEPROM block containing address XX. Copy data
commands that address locked blocks are ignored.
While the copy data command is executing, the EEC bit
in the EEPROM register is set to 1 and writes to
EEPROM addresses are ignored. Reads and writes to
non-EEPROM addresses can still occur while the copy
is in progress. The copy data command takes t EEC time
to execute, starting on the next falling edge after the
address is transmitted.
Recall Data [B8h, XX]. This command recalls the con-
tents of the EEPROM cells to the EEPROM shadow
memory for the EEPROM block containing address XX.
Table 5. Function Commands
Lock [6Ah, XX]. This command locks (write protects)
the block of EEPROM memory containing memory
address XX. The lock bit in the EEPROM register must
be set to 1 before the lock command is executed. To
help prevent unintentional locks, one must issue the
lock command immediately after setting the lock bit
(EEPROM register, address 1Fh, bit 06) to a 1. If the
lock bit is 0 or if setting the lock bit to 1 does not imme-
diately precede the lock command, the lock command
has no effect. The lock command is permanent; a
locked block can never be written again.
COMMAND
Read Data
Write Data
Copy Data
Recall Data
Lock
DESCRIPTION
Reads data from memory starting at address XX.
Writes data to memory starting at address XX.
Copies shadow RAM data to EEPROM block containing
address XX.
Recalls EEPROM block containing address XX to RAM.
Permanently locks the block of EEPROM
containing address XX.
COMMAND
PROTOCOL
69h, XX
6Ch, XX
48h, XX
B8h, XX
6Ah, XX
BUS STATE AFTER
COMMAND
PROTOCOL
Master Rx
Master Tx
Master Reset
Master Reset
Master Reset
BUS DATA
Up to 256
bytes of data
Up to 256
bytes of data
None
None
None
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