参数资料
型号: DS2784G+T&R
厂商: Maxim Integrated Products
文件页数: 37/43页
文件大小: 0K
描述: IC FUEL GAUGE STND-ALONE 14-TDFN
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 ~ 4.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-WFDFN 裸露焊盘
供应商设备封装: 14-TDFN-EP(3x5)
包装: 带卷 (TR)
DS2784: 1-Cell Stand-Alone Fuel Gauge IC with Li+ Protector and SHA-1 Authentication
Table 11. All Function Commands
COMMAND
Write Challenge
Compute MAC
Without ROM ID and Return
MAC
Compute MAC
With ROM ID and Return MAC
Clear Secret
Compute Next Secret Without
ROM ID
Compute Next Secret With
ROM ID
Lock Secret
Read Data
Write Data
Copy Data
Recall Data
Lock
Set Overdrive
Clear Overdrive
Reset
HEX
0C
36
35
5A
30
33
60
69, XX
6C, XX
48, XX
B8, XX
6A, XX
8B
8D
C4
DESCRIPTION
Writes 64-bit challenge for SHA-1 processing. Required
immediately prior to all Compute MAC and Compute Next Secret
commands.
Computes hash operation of message block with logical 1s in
place of the ROM ID.
Computes hash operation of message block using the ROM ID.
Clears the 64-bit secret to 0000 0000 0000 0000h.
Generates new global secret.
Generates new unique secret.
Sets lock bit to prevent changes to the secret.
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.
Sets 1-Wire interface timings to overdrive.
Sets 1-Wire interface timings to standard (factory default).
Resets DS2784 (software POR).
37 of 43
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