VH/RH
參數(shù)資料
型號(hào)： X9410WV24T1
廠商： Intersil
文件頁數(shù)： 15/21頁
文件大?。?/td> 0K
描述： IC XDCP DUAL 64-TAP 10K 24-TSSOP
標(biāo)準(zhǔn)包裝： 2,500
系列： XDCP™
接片： 64
電阻（歐姆）： 10k
電路數(shù)： 2
溫度系數(shù)： 標(biāo)準(zhǔn)值 ±300 ppm/°C
存儲(chǔ)器類型： 非易失
接口： 6 線 SPI（芯片選擇，設(shè)備位址）
電源電壓： 4.5 V ~ 5.5 V
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 24-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 24-TSSOP
包裝： 帶卷 (TR)
3
FN8193.2
October 12, 2006
Potentiometer Pins
VH/RH (VH0/RH0 - VH1/RH1), VL/RL (VL0/RL0 - VL1/RL1)
The VH/RH and VL/RL inputs are equivalent to the terminal
connections on either end of a mechanical potentiometer.
VW/RW (VW0/RW0 - VW1/RW1)
The wiper outputs are equivalent to the wiper output of
a mechanical potentiometer.
Hardware Write Protect Input (WP)
The WP pin when LOW prevents nonvolatile writes to
the Data Registers.
Analog Supplies (V+, V-)
The analog supplies V+, V- are the supply voltages for
the XDCP analog section.
PIN CONFIGURATION
PIN NAMES
DEVICE DESCRIPTION
The X9410 is a highly integrated microcircuit
incorporating two resistor arrays and their associated
registers and counters and the serial interface logic
providing direct communication between the host and
the XDCP potentiometers.
Serial Interface
The X9410 supports the SPI interface hardware
conventions. The device is accessed via the SI input
with data clocked in on the rising SCK. CS must be
LOW and the HOLD and WP pins must be HIGH
during the entire operation.
The SO and SI pins can be connected together, since
they have three state outputs. This can help to reduce
system pin count.
Array Description
The X9410 is comprised of two resistor arrays. Each
array contains 63 discrete resistive segments that are
connected in series. The physical ends of each array
are equivalent to the fixed terminals of a mechanical
potentiometer (VH/RH and VL/RL inputs).
At both ends of each array and between each resistor
segment is a CMOS switch connected to the wiper
(VW/RW) output. Within each individual array only one
switch may be turned on at a time.
These switches are controlled by a Wiper Counter
Register (WCR). The six bits of the WCR are decoded
to select, and enable, one of sixty-four switches.
VCC
VL0/RL0
VH0/RH0
WP
SI
A1
1
2
3
4
5
6
7
8
9
10
24
23
22
21
20
19
18
17
16
15
V+
A0
SO
HOLD
SCK
DIP/SOIC
X9410
VSS
VW0/RW0
14
13
11
12
CS
VL1/RL1
VH1/RH1
VW1/RW1
V-
SI
A1
VL1/RL1
1
2
3
4
5
6
7
8
9
10
24
23
22
21
20
19
18
17
16
15
WP
CS
VW0/RW0
VH0/RH0
VL0/RL0
VCC
TSSOP
X9410
HOLD
VH1/RH1
14
13
11
12
VW1/RW1
SCK
A0
SO
VSS
NC
V+
V-
NC
Symbol
Description
SCK
Serial Clock
SI, SO
Serial Data
A0 - A1
Device Address
VH0/RH0 - VH1/RH1,
VL0/RL0 - VL1/RL1
Potentiometer Pins
(terminal equivalent)
VW0/RW0 - VW1/RW1
Potentiometer Pin
(wiper equivalent)
WP
Hardware Write Protection
V+,V-
Analog Supplies
VCC
System Supply Voltage
VSS
System Ground
NC
No Connection
X9410
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