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| 型号： | MCP4532T-103E/MS |
| 厂商： | Microchip Technology |
| 文件页数： | 58/88页 |
| 文件大小： | 0K |
| 描述： | IC POT DGTL 10K SGL 8-MSOP |
| 标准包装： | 2,500 |
| 接片： | 129 |
| 电阻（欧姆）： | 10k |
| 电路数： | 1 |
| 温度系数： | 标准值 150 ppm/°C |
| 存储器类型： | 易失 |
| 接口： | I²C（设备位址） |
| 电源电压： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 带卷 (TR) |
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2008 Microchip Technology Inc.
DS22096A-page 61
MCP453X/455X/463X/465X
7.6
Increment Wiper
Normal and High Voltage
The Increment Command provide a quick and easy
method to modify the potentiometer’s wiper by +1 with
minimal overhead. The Increment Command will only
function on the volatile wiper setting memory locations
00h and 01h.
When executing an Increment Command, the volatile
wiper setting will be altered from n to n+1 for each
Increment Command received. The value will incre-
ment up to 100h max on 8-bit devices and 80h on 7-bit
devices. If multiple Increment Commands are received
after the value has reached 100h (or 80h), the value will
not be incremented further. Table 7-4 shows the
Increment Command versus the current volatile wiper
value.
Refer to Figure 7-7 for the Increment Command
sequence. The sequence is terminated by the Stop
condition. So when executing a continuous command
string, The Increment command can be followed by any
other valid command. this means that writes do not
need to be to the same volatile memory address.
The advantage of using an Increment Command
instead of a read-modify-write series of commands is
speed and simplicity. The wiper will transition after each
Command Acknowledge when accessing the volatile
wiper registers.
TABLE 7-4:
INCREMENT OPERATION VS.
VOLATILE WIPER VALUE
7.6.1
THE HIGH VOLTAGE COMMAND
(HVC) SIGNAL
The High Voltage Command (HVC) signal is multi-
plexed with Address 0 (A0) and is used to indicate that
the command, or sequence of commands, are in the
High Voltage mode. Signals > VIHH (~8.5V) on the
HVC/A0 pin puts MCP45XX/46XX devices into High
Voltage mode.
The HVC pin has an internal resistor connection to the
MCP45XX/46XXs internal VDD signal.
FIGURE 7-7:
I2C Increment Command Sequence.
Note:
Table 7-2 shows the valid addresses for
the Increment Wiper command. Other
addresses are invalid.
Note:
The command sequence can go from an
increment to any other valid command for
the specified address.
Current Wiper
Setting
Wiper (W)
Properties
Increment
Command
Operates?
7-bit
Pot
8-bit
Pot
3FFh
081h
3FFh
101h
Reserved
(Full-Scale (W = A))
No
080h
100h
Full-Scale (W = A)
No
07Fh
041h
0FFh
081
W = N
040h
080h
W = N (Mid-Scale)
Yes
03Fh
001h
07Fh
001
W = N
000h
Zero Scale (W = B) Yes
Note:
There is a required delay after the HVC pin
is driven to the VIHH level to the 1st edge
of the SCL pin.
Control Byte
INCR Command (n+1)
INCR Command (n+2)
1
01
0
SA2 A1 A0 0
0
AD AD AD AD
A1 x
X A
0
AD AD AD AD
1x
X
A P (2)
0
1
2
3
432
1
Fixed
Address
Variable
Address
Device
Memory
Address
Command
Write bit
Note 1:
Increment Command (INCR) only functions when accessing the volatile wiper reg-
isters (AD3:AD0 = 0h and 1h).
2:
This command sequence does not need to terminate (using the Stop bit) and can
change to any other desired command sequence (Increment, Read, or Write).
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| MCP4532T-104E/MF | 功能描述:数字电位计 IC Sngl 7B V I2C Rheo RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
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| MCP4532T-502E/MS | 功能描述:数字电位计 IC Sngl 7B V I2C Rheo RoHS:否 制造商:Maxim Integrated 电阻:200 Ohms 温度系数:35 PPM / C 容差:25 % POT 数量:Dual 每 POT 分接头:256 弧刷存储器:Volatile 缓冲刷: 数字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作电源电压:1.7 V to 5.5 V 电源电流:27 uA 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:TQFN-16 封装:Reel |
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