参数资料
| 型号： | X9252WV24IZ-2.7 |
| 厂商： | Intersil |
| 文件页数： | 5/20页 |
| 文件大小： | 0K |
| 描述： | IC POT DGTL QUAD 24-TSSOP |
| 标准包装： | 62 |
| 系列： | XDCP™ |
| 接片： | 256 |
| 电阻（欧姆）： | 10k |
| 电路数： | 4 |
| 温度系数： | 标准值 ±300 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | I²C（芯片选择，设备位址，增/减） |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 24-TSSOP |
| 包装： | 管件 |
| 产品目录页面： | 1237 (CN2011-ZH PDF) |
13
FN8167.2
November 14, 2005
DCP Addressing for 2-Wire Interface
Once the register number has been selected by a 2-wire
instruction, then the DCP number is determined by the
Address Byte of the following instruction. Note again that this
enables a complete page write of the DRs of all four
potentiometers at once. The register addresses accessible
in the X9252 include:
All other address bits in the Address Byte must be set to “0”
during 2-wire write operations and their value should be
ignored when read.
Byte Write Operation
For any Byte Write operation, the X9252 requires the Slave
Address byte, an Address Byte, and a Data Byte (See Figure
7). After each of them, the X9252 responds with an ACK.
The master then terminates the transfer by generating a
STOP condition. At this time, if the write operation is to a
volatile register (WCR, or SR), the X9252 is ready for the
next read or write operation. If the write operation is to a
nonvolatile register (DR), and the WP pin is high, the X9252
begins the internal write cycle to the nonvolatile memory.
During the internal nonvolatile write cycle, the X9252 does
not respond to any requests from the master. The SDA
output is at high impedance.
The SR bits and WP pin determine the register being
accessed through the 2-wire interface (See Table 2).
As noted before, any write operation to a Data Register
(DR), also transfers the contents of all the data registers in
that row to their corresponding WCR.
For example, to write 3Ahex to the Data Register 1 of DCP2
the following sequence is required:
During the sequence of this example, WP pin must be high,
and A0, A1, and A2 pins must be low. When completed, the
DR21 register and the WCR2 will be set to 3Ah and the other
Data Register in Row 1 will transfer their other contents to
the respective WCR’s.
TABLE 3. 2-WIRE INTERFACE ADDRESS BYTE
ADDRESS (HEX)
CONTENTS
0
DCP 0
1
DCP 1
2
DCP 2
3
DCP 3
4
Not Used
5
Not Used
6
Not Used
7
Status Register
START
Slave Address
0101 0000
ACK
Address Byte
0000 0111
ACK
Data Byte
0000 0011
ACK
note: at this ACK, the WCRs are all updated with their respective DR.
STOP
START
Slave Address
0101 0000
ACK
Address Byte
0000 0010
ACK
Data Byte
0011 1010
ACK
STOP
(Hardware Address = 000,
and a Write command)
(Indicates Status Register
address)
(Data Register 1 and
NVEnable selected)
(Hardware address = 000,
(Access DCP2)
(Write Data Byte 3Ah)
Write command)
S
t
a
r
t
S
t
o
p
Slave
Address
Byte
Data
Byte
A
C
K
Signals from the
Master
Signals from the
Slave
A
C
K
0
11
A
C
K
Write
Signal at SDA
FIGURE 7. BYTE WRITE SEQUENCE
X9252
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| X9252YV24-2.7 | 功能描述:IC DCP QUAD 2.8K 256TAP 24-TSSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:XDCP™ 标准包装:2,500 系列:XDCP™ 接片:256 电阻（欧姆）:100k 电路数:1 温度系数:标准值 ±300 ppm/°C 存储器类型:非易失 接口:I²C（设备位址） 电源电压:2.7 V ~ 5.5 V 工作温度:0°C ~ 70°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) |
| X9252YV24I-2.7 | 功能描述:IC DCP QUAD 2.8K 256TAP 24-TSSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:XDCP™ 标准包装:2,500 系列:XDCP™ 接片:256 电阻（欧姆）:100k 电路数:1 温度系数:标准值 ±300 ppm/°C 存储器类型:非易失 接口:I²C（设备位址） 电源电压:2.7 V ~ 5.5 V 工作温度:0°C ~ 70°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) |
| X9252YV24IZ-2.7 | 功能描述:IC POT DGTL QUAD 24-TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:XDCP™ 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 接片:256 电阻（欧姆）:100k 电路数:1 温度系数:标准值 35 ppm/°C 存储器类型:非易失 接口:3 线串口 电源电压:2.7 V ~ 5.25 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-WDFN 裸露焊盘 供应商设备封装:8-TDFN-EP（3x3） 包装:剪切带 (CT) 产品目录页面:1399 (CN2011-ZH PDF) 其它名称:MAX5423ETA+TCT |
| X9258 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Low Noise/Low Power/2-Wire Bus/256 Taps |
| X9258)06 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Quad Digital Controlled Potentiometers |
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