参数资料
| 型号： | X9421YP18I |
| 厂商： | Intersil |
| 文件页数： | 20/20页 |
| 文件大小： | 0K |
| 描述： | IC XDCP SGL 64-TAP 2.5K 18-DIP |
| 标准包装： | 25 |
| 系列： | XDCP™ |
| 接片： | 64 |
| 电阻（欧姆）： | 2.5k |
| 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： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 18-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 18-PDIP |
| 包装： | 管件 |
9
FN8196.4
January 14, 2009
TABLE 3. INSTRUCTION SET
Instruction Format
NOTES:
1. “A0”: stands for the device addresses sent by the master.
2. WPx refers to wiper position data in the Wiper Counter Register
“I”: stands for the increment operation, SI held HIGH during
active SCK phase (high).
3. “D”: stands for the decrement operation, SI held LOW during active SCK phase (high).
Read Wiper Counter Register (WCR)
Write Wiper Counter Register (WCR)
Read Data Register (DR)
Read the contents of the Register pointed to by R1 - R0.
Write Data Register (DR)
Write a new value to the Register pointed to by R1 - R0.
INSTRUCTION
INSTRUCTION SET
OPERATION
I3
I2
I1
I0
R1
R0
Read Wiper Counter Register
1
0
1
0
Read the contents of the Wiper Counter Register
Write Wiper Counter Register
1
0
1
0
Write new value to the Wiper Counter Register
Read Data Register
1
0
1
1/0
0
Read the contents of the Data Register pointed to by R1 - R0
Write Data Register
1
0
1/0
0
Write new value to the Data Register pointed to by R1 - R0
XFR Data Register to Wiper
Counter Register
1
0
1
1/0
0
Transfer the contents of the Data Register pointed to by R1 -
R0 to the Wiper Counter Register
XFR Wiper Counter Register to Data
Register
1
0
1/0
0
Transfer the contents of the Wiper Counter
Register to the Data Register pointed to by R1 - R0
Increment/Decrement Wiper
Counter Register
0
1
0
Enable Increment/decrement of the Wiper Counter Register
Read Status (WIP bit)
0
1
0
1
0
1
Read the status of the internal write cycle, by checking the WIP
bit.
CS
FALLING
EDGE
DEVICE
TYPE
IDENTIFIER
DEVICE
ADDRESSES
INSTRUCTION
OPCODE
WIPER POSITION
(SENT BY X9421 ON SO)
CS
RISING
EDGE
010
111
0
A0
1
0
1
00
000
0
WP5
WP4
WP3
WP2
WP1
WP0
CS
FALLING
EDGE
DEVICE
TYPE
IDENTIFIER
DEVICE
ADDRESSES
INSTRUCTION
OPCODE
DATA BYTE
(SENT BY HOST ON SI)
CS
RISING
EDGE
010
111
0
A0
1
0
1
0
000
00
WP5
WP4
WP3
WP2
WP1
WP0
CS
FALLING
EDGE
DEVICE
TYPE
IDENTIFIER
DEVICE
ADDRESSES
INSTRUCTION
OPCODE
REGISTER
ADDRESSES
DATA BYTE
(SENT BY X9421 ON SO)
CS
RISING
EDGE
010111
0
A0
1
0
1
R1
R0
0000
WP5
WP4
WP3
WP2
WP1
WP0
CS
FALLING
EDGE
DEVICE
TYPE
IDENTIFIER
DEVICE
ADDRESSES
INSTRUCTION
OPCODE
REGISTER
ADDRESSES
DATA BYTE
(SENT BY HOST ON SI)
CS
RISING
EDGE
HIGH-VOLTAGE
WRITE CYCLE
0101
1
0
A
0
1100
R
1
R
0
00
0
WP
5
WP
4
WP
3
WP
2
WP
1
WP
0
X9421
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| X9421YS16-2.7 | 功能描述:IC XDCP SGL 64-TAP 2.5K 16-SOIC 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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