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| 型號(hào)： | MCP4562T-502E/MS |
| 廠商： | Microchip Technology |
| 文件頁(yè)數(shù)： | 47/92頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC POT DGTL 5K SGL 8-MSOP |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 接片： | 257 |
| 電阻（歐姆）： | 5k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 150 ppm/°C |
| 存儲(chǔ)器類(lèi)型： | 非易失 |
| 接口： | I²C（設(shè)備位址） |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-MSOP |
| 包裝： | 帶卷 (TR) |
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2008 Microchip Technology Inc.
DS22107A-page 51
MCP454X/456X/464X/466X
6.2.6
HS MODE
The I2C specification requires that a high-speed mode
device must be ‘a(chǎn)ctivated’ to operate in high-speed
(3.4 Mbit/s) mode. This is done by the Master sending
a special address byte following the START bit. This
byte is referred to as the high-speed Master Mode
Code (HSMMC).
The MCP45XX/46XX device does not acknowledge
this byte. However, upon receiving this command, the
device switches to HS mode. The device can now com-
municate at up to 3.4 Mbit/s on SDA and SCL lines.
The device will switch out of the HS mode on the next
STOP condition.
The master code is sent as follows:
1.
START condition (S)
2.
High-Speed Master Mode Code (0000 1XXX),
The XXX bits are unique to the high-speed (HS)
mode Master.
3.
No Acknowledge (A)
After switching to the High-Speed mode, the next
transferred byte is the I2C control byte, which specifies
the device to communicate with, and any number of
data bytes plus acknowledgements. The Master
Device can then either issue a Repeated Start bit to
address a different device (at High-Speed) or a Stop bit
to return to Fast/Standard bus speed. After the Stop bit,
any other Master Device (in a Multi-Master system) can
arbitrate for the I2C bus.
See Figure 6-10 for illustration of HS mode command
sequence.
For more information on the HS mode, or other I2C
modes, please refer to the Phillips I2C specification.
6.2.6.1
Slope Control
The slope control on the SDA output is different
between the Fast/Standard Speed and the High-Speed
clock modes of the interface.
6.2.6.2
Pulse Gobbler
The pulse gobbler on the SCL pin is automatically
adjusted to suppress spikes < 10 ns during HS mode.
FIGURE 6-10:
HS Mode Sequence.
S
A
‘0 0 0 0 1 X X X’b
Sr
A
‘Slave Address’
A/A
“Data”
P
S = Start bit
Sr = Repeated Start bit
A = Acknowledge bit
A = Not Acknowledge bit
R/W = Read/Write bit
R/W
P = Stop bit (Stop condition terminates HS Mode)
F/S-mode
HS-mode
HS-mode continues
F/S-mode
Sr
A
‘Slave Address’ R/W
HS Select Byte
Control Byte
Command/Data Byte(s)
Control Byte
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| MCP4562T-503E/MF | 功能描述:數(shù)字電位計(jì) IC Sngl 8B NV I2C Rheo RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MCP4562T-503E/MS | 功能描述:數(shù)字電位計(jì) IC Sngl 8B NV I2C Rheo RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MCP4631-103E/ST | 功能描述:數(shù)字電位計(jì) IC Dual 7B V I2C POT RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MCP4631-104E/ST | 功能描述:數(shù)字電位計(jì) IC Dual 7B V I2C POT RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MCP4631-104E/ST | 制造商:Microchip Technology Inc 功能描述:; LEADED PROCESS COMPATIBLE:YES; PEAK RE |
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