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参数资料
| 型号： | DS2703UR |
| 英文描述： | SHA-1 Battery Pack Authentication IC |
| 中文描述： | SHA - 1的电池组认证IC |
| 文件页数： | 16/20页 |
| 文件大小： | 238K |
| 代理商： | DS2703UR |
DS2703 SHA-1 Battery Pack Authentication IC
16 of 20
Table 7. All Function Commands
COMMAND
HEX
FUNCTION
Write Challenge
0C
Writes 64-bit challenge for SHA-1 processing. Required prior to all Compute
MAC and Compute Next Secret commands.
Compute MAC
without
ROM_ID and
return MAC
Compute MAC
with
ROM_ID and
return MAC
36
Computes hash of W0-W15 with logical 1’s in place of the ROM_ID.
35
Computes hash of W0-W15 with the ROM_ID.
Load Secret
5A
Writes the 64-bit Secret to supplied data. Requires programming voltage on
DQ.
Compute Next Secret
without
ROM ID
Compute Next Secret
with
ROM ID
30
Generates new global secret. Requires programming pulse.
33
Generates new unique secret. Requires programming pulse.
Lock Secret
6A
Sets lock bit to prevent changes to the Secret. Requires programming pulse.
Set Overdrive
8B
Sets 1-Wire interface timings to OVERDRIVE. Requires programming pulse.
Clear Overdrive
8D
Sets 1-Wire interface timings to STANDARD. Requires programming pulse.
Reset
BB
Resets DS2703 (Software POR).
Table 8. Guide to Function Command Requirements
STRONG PULLUP
ON DQ
COMMAND
ISSUE 00h
BEFORE READ
READ/WRITE
TIME SLOTS
PROGRAMMING
PULSE
Write Challenge
Write: 64
Compute MAC
X
X
Read: up to 160
Compute Next Secret
X
X
Lock Secret,
Set/Clear Overdrive
X
Load Secret
Write: 64
X
Reset
相关PDF资料 |
PDF描述 |
|---|---|
| DS2703UT | SHA-1 Battery Pack Authentication IC |
| DS2715 | NiMH Battery Pack Charge Controller |
| DS2715Z | NiMH Battery Pack Charge Controller |
| DS275 | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| DS275E | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2703UT | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:SHA-1 Battery Pack Authentication IC |
| DS2704 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1280-Bit EEPROM with SHA-1 Authentication |
| DS2704-500-WAFER | 功能描述:电可擦除可编程只读存储器 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| DS2704E+ | 制造商:Maxim Integrated Products 功能描述:1024 BIT MEM W/SHA-1 AUTH L/F - Rail/Tube |
| DS2704G+ | 功能描述:电可擦除可编程只读存储器 1280-Bit 电可擦除可编程只读存储器 w/SHA-1 Authent RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
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