参数资料
| 型号： | X9420WV14 |
| 厂商： | Intersil |
| 文件页数： | 16/19页 |
| 文件大小： | 0K |
| 描述： | IC DIGITAL POT 10K 64TP 14TSSOP |
| 标准包装： | 95 |
| 系列： | XDCP™ |
| 接片： | 64 |
| 电阻（欧姆）： | 10k |
| 电路数： | 1 |
| 温度系数： | 标准值 ±300 ppm/°C |
| 存储器类型： | 非易失 |
| 接口： | 5 线 SPI（芯片选择，设备位址） |
| 电源电压： | 4.5 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： | 管件 |
6
FN8195.1
April 26, 2006
The four high order bits of the instruction byte specify
the operation. The next two bits (R1 and R0) select
one of the four registers that is to be acted upon when
a register oriented instruction is issued. The last two
bits are defined as 0.
Two of the eight instructions are two bytes in length
and end with the transmission of the instruction byte.
These instructions are:
– XFR Data Register to Wiper Counter Register —
This instruction transfers the contents of one speci-
fied Data Register to the Wiper Counter Register.
– XFR Wiper Counter Register to Data Register—This
instruction transfers the contents of the Wiper
Counter Register to the specified associated Data
Register.
The basic sequence of the two byte instructions is
illustrated in Figure 4. These two-byte instructions
exchange data between the WCR and one of the Data
Registers. A transfer from a Data Register to a WCR is
essentially a write to a static RAM, with the static RAM
controlling the wiper position. The response of the wiper
to this action will be delayed by tWRL. A transfer from
the WCR (current wiper position), to a Data Register is
a write to nonvolatile memory and takes a minimum of
tWR to complete. The transfer can occur between the
potentiometer and one of its associated registers.
Five instructions require a three-byte sequence to
complete. These instructions transfer data between
the host and the X9420; either between the host and
one of the Data Registers or directly between the host
and the WCR. These instructions are:
– Read Wiper Counter Register—read the current
wiper position of the pot,
– Write Wiper Counter Register—change current
wiper position of the pot,
– Read Data Register—read the contents of the
selected data register;
– Write Data Register—write a new value to the
selected data register.
– Read Status—This command returns the contents
of the WIP bit which indicates if the internal write
cycle is in progress.
The sequence of these operations is shown in Figure
The final command is Increment/Decrement. It is
different from the other commands, because it’s length
is indeterminate. Once the command is issued, the
master can clock the wiper up and/or down in one
resistor segment steps; thereby, providing a fine
tuning capability to the host. For each SCK clock pulse
(tHIGH) while SI is HIGH, the selected wiper will move
one resistor segment towards the VH/RH terminal.
Similarly, for each SCK clock pulse while SI is LOW,
the selected wiper will move one resistor segment
towards the VL/RL terminal. A detailed illustration of
the sequence and timing for this operation are shown
Figure 4. Two-Byte Instruction Sequence
0101
110A0
I3
I2
I1
I0
R1 R0
0
SCK
SI
CS
X9420
相关PDF资料 |
PDF描述 |
|---|---|
| X9420WS16I-2.7 | IC DIGITAL POT 10K 64TP 16SOIC |
| X9420WS16I | IC DIGITAL POT 10K 64TP 16SOIC |
| X9418WS24 | IC DCP DUAL 10K 64TP 24SOIC |
| MK2069-04GILF | IC CLOCK SYNTHESIZER 56-TSSOP |
| X9420WS16-2.7 | IC DIGITAL POT 10K 64TP 16SOIC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| X9420WV14-2.7 | 功能描述:IC DIGITAL POT 10K 64TP 14TSSOP 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) |
| X9420WV14-2.7T1 | 功能描述:IC XDCP SGL 64-TAP 10K 14-TSSOP RoHS:否 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:2,500 系列:- 接片:32 电阻（欧姆）:50k 电路数:1 温度系数:标准值 50 ppm/°C 存储器类型:易失 接口:3 线串行（芯片选择，递增，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:SOT-23-6 细型，TSOT-23-6 供应商设备封装:TSOT-23-6 包装:带卷 (TR) |
| X9420WV14I | 功能描述:IC DIGITAL POT 10K 64TP 14TSSOP 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) |
| X9420WV14I-2.7 | 功能描述:IC DIGITAL POT 10K 64TP 14TSSOP 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) |
| X9420WV14I-2.7T1 | 功能描述:IC XDCP SGL 64-TAP 10K 14-TSSOP RoHS:否 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:2,500 系列:- 接片:32 电阻（欧姆）:50k 电路数:1 温度系数:标准值 50 ppm/°C 存储器类型:易失 接口:3 线串行（芯片选择，递增，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:SOT-23-6 细型，TSOT-23-6 供应商设备封装:TSOT-23-6 包装:带卷 (TR) |
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