參數(shù)資料
型號(hào): X9400YV24
元件分類: 數(shù)字電位計(jì)
英文描述: QUAD 2.5K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24
封裝: PLASTIC, TSSOP-24
文件頁(yè)數(shù): 20/22頁(yè)
文件大小: 555K
代理商: X9400YV24
X9400
Characteristics subject to change without notice.
7 of 22
REV 1.1.8 3/31/04
www.xicor.com
Figure 8. Increment/Decrement Timing Limits
Table 1. Instruction Set
Instruction
Instruction Set
Operation
I3
I2
I1
I0 R1 R0 P1 P0
Read Wiper Counter Register
1
0010
0
P1
P0 Read the contents of the Wiper Counter Register
pointed to by P1-P0
Write Wiper Counter Register
1
0100
0
P1
P0 Write new value to the Wiper Counter Register
pointed to by P1-P0
Read Data Register
1
0
1
R1 R0 P1
P0 Read the contents of the Data Register pointed
to by P1-P0 and R1–R0
Write Data Register
1
0
R1 R0 P1
P0 Write new value to the Data Register pointed to
by P1-P0 and R1–R0
XFR Data Register to Wiper
Counter Register
1
101
R1 R0 P1
P0 Transfer the contents of the Data Register pointed
to by R1–R0 to the Wiper Counter Register pointed
to by P1-P0
XFR Wiper Counter Register
to Data Register
1
110
R1 R0 P1
P0 Transfer the contents of the Wiper Counter
Register pointed to by P1-P0 to the Register
pointed to by R1–R0
Global XFR Data Register to
Wiper Counter Register
0
001
R1 R0
00
Transfer the contents of the Data Registers
pointed to by R1–R0 of all four pots to their
respective Wiper Counter Register
Global XFR Wiper Counter
Register to Data Register
1
000
R1 R0
00
Transfer the contents of all Wiper Counter
Registers to their respective data Registers
pointed to by R1–R0 of all four pots
Increment/Decrement Wiper
Counter Register
0
0100
0
P1
P0 Enable Increment/decrement of the Wiper
Counter Register pointed to by P1-P0
Read Status (WIP bit)
0
1010
0
1
Read the status of the internal write cycle, by
checking the WIP bit.
SCK
SI
VW/RW
INC/DEC CMD Issued
tWRID
Voltage Out
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