參數資料
型號: MCP4552-503E/MS
廠商: Microchip Technology
文件頁數: 32/88頁
文件大?。?/td> 0K
描述: IC DGTL POT 50K 256TAPS 8-MSOP
標準包裝: 100
接片: 257
電阻(歐姆): 50k
電路數: 1
溫度系數: 標準值 150 ppm/°C
存儲器類型: 易失
接口: I²C(設備位址)
電源電壓: 1.8 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
供應商設備封裝: 8-MSOP
包裝: 管件
產品目錄頁面: 676 (CN2011-ZH PDF)
MCP453X/455X/463X/465X
DS22096A-page 38
2008 Microchip Technology Inc.
4.2.1.2
Terminal Control (TCON) Register
This register contains 8 control bits. Four bits are for
Wiper 0, and four bits are for Wiper 1. Register 4-1
describes each bit of the TCON register.
The state of each resistor network terminal connection
is individually controlled. That is, each terminal
connection (A, B and W) can be individually connected/
disconnected from the resistor network. This allows the
system to minimize the currents through the digital
potentiometer.
The value that is written to this register will appear on
the
resistor
network
terminals
when
the
serial
command has completed.
When the WL1 bit is enabled, writes to the TCON
register bits R1HW, R1A, R1W, and R1B are inhibited.
When the WL0 bit is enabled, writes to the TCON
register bits R0HW, R0A, R0W, and R0B are inhibited.
On a POR/BOR this register is loaded with 1FFh
(9-bits),
for
all
terminals
connected.
The
Host
Controller needs to detect the POR/BOR event and
then update the Volatile TCON register value.
Additionally, there is a bit which enables the operation
of General Call commands.
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