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参数资料
| 型号： | DS2490Y |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 25/50页 |
| 文件大小： | 0K |
| 描述： | IC BRIDGE CLIP USB TO 1-W 24SOIC |
| 标准包装： | 1,000 |
| 应用： | USB |
| 接口： | 1 线 |
| 电源电压： | 3 V ~ 5.5 V |
| 封装/外壳： | 24-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 24-SOIC W |
| 包装： | 管件 |
| 安装类型： | 表面贴装 |
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DS2490
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DS2490 RESULT REGISTERS Table 17
Offset1,2
Data
0x10
value
0x11
value
…
0x1F
value
Notes:
1. Since Result Registers follow State Registers for interrupt transfers, the register offset starting value
shown in Table 17 for Result Registers follows the last value of Table 16 State Registers.
2. The number of RESULT RESIGTER values will vary depending on the setting of embedded
communication command bits NTF and ICP, the number of communication commands processed
since the previous EP1 polling period, or whether a 1-Wire device was detected.
DS2490 RESULT REGISTER VALUE DEFINITION Table 18
Data Value Description
Data
1-Wire Device Detect Byte
0xA5
Communication Command Error
Result
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
EOS RDP CRC
CMP
0
APP
SH
NRS
Bit Definitions:
EOS A value of 1 indicates that a SEARCH ACCESS with
SM = 1 ended sooner than expected reporting less ROM
ID’s than specified in the “number of devices”
parameter.
RDP A value of 1 indicates that a READ REDIRECT PAGE
WITH/CRC encountered a page that is redirected.
CRC A value of 1 indicates that a CRC error occurred when
executing one of the following commands: WRITE
SRAM PAGE, READ CRC PROT PAGE, or READ
REDIRECT PAGE W/CRC.
CMP A value of 1 indicates an error with one of the following:
Error when reading the confirmation byte with a SET
PATH command. There was a difference between the
byte written and then read back with a BYTE I/O
command
APP A value of 1 indicates that a 1-WIRE RESET revealed an
Alarming Presence Pulse.
SH A value of 1 indicates that a 1-WIRE RESET revealed a
short to the 1-Wire bus or the SET PATH command
could not successfully connect a branch due to a short.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2490Y+ | 制造商:Maxim Integrated Products 功能描述:USB TO 1-WIRE BRIDGE 24SOIC W - Tape and Reel |
| DS24B33 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1-Wire 4Kb EEPROM |
| DS24B33 R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1-Wire 4Kb EEPROM |
| DS24B33 T | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1-Wire 4Kb EEPROM |
| DS24B33 TR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:1-Wire 4Kb EEPROM |
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