參數(shù)資料
型號(hào): MCP4652-503E/UN
廠商: Microchip Technology
文件頁數(shù): 51/88頁
文件大?。?/td> 0K
描述: IC DGTL POT 50K 256TAPS 10-MSOP
標(biāo)準(zhǔn)包裝: 100
接片: 257
電阻(歐姆): 50k
電路數(shù): 2
溫度系數(shù): 標(biāo)準(zhǔn)值 150 ppm/°C
存儲(chǔ)器類型: 易失
接口: I²C(設(shè)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: 10-TFSOP,10-MSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 10-MSOP
包裝: 管件
產(chǎn)品目錄頁面: 677 (CN2011-ZH PDF)
2008 Microchip Technology Inc.
DS22096A-page 55
MCP453X/455X/463X/465X
7.2
Data Byte
Only the Read Command and the Write Command
have Data Byte(s).
The Write command concatenates the 8-bits of the
Data Byte with the one data bit (D8) contained in the
Command Byte to form 9-bits of data (D8:D0). The
Command Byte format supports up to 9-bits of data so
that the 8-bit resistor network can be set to Full-Scale
(100h or greater). This allows wiper connections to
Terminal A and to Terminal B. The D9 bit is currently
unused.
7.3
Error Condition
If the four address bits received (AD3:AD0) and the two
command bits received (C1:C0) are a valid combina-
tion, the MCP4XXX will Acknowledge the I2C bus.
If the address bits and command bits are an invalid
combination, then the MCP4XXX will Not Acknowledge
the I2C bus.
Once an error condition has occurred, any following
commands are ignored until the I2C bus is reset with a
Start Condition.
7.3.1
ABORTING A TRANSMISSION
A Restart or Stop condition in the expected data bit
position will abort the current command sequence and
TABLE 7-3:
COMMANDS
Command Name
# of Bits
High
Voltage
(VIHH) on
HVC pin?
29
29
20
20
High Voltage Write Data
29
Yes
High Voltage Read Data
29
Yes
High Voltage Increment Wiper
20
Yes
High Voltage Decrement Wiper
20
Yes
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