參數資料
型號: ADM00317
廠商: Microchip Technology
文件頁數: 41/86頁
文件大小: 0K
描述: BOARD DAUGHTER MCP4706/16/26
標準包裝: 1
DAC 的數量: 3 個,每 IC 1 個
位數: 8,10,12
設置時間: 6µs
DAC 型: 電壓
已供物品: 子板
已用 IC / 零件: MCP4706,MCP4716,MCP4726
MCP4706/4716/4726
DS22272C-page 46
2011-2012 Microchip Technology Inc.
5.3.4
SLOPE CONTROL
The MCP47X6 implements slope control on the SDA
output.
As the device transitions from HS mode to FS mode,
the slope control parameter will change from the HS
specification to the FS specification.
For Fast (FS) and High-Speed (HS) modes, the device
has a spike suppression and a Schmidt Trigger at SDA
and SCL inputs.
5.3.5
DEVICE ADDRESSING
The address byte is the first byte received following the
Start
condition
from
the
master
device.
The
MCP47X6’s slave address consists of a 4-bit fixed code
(‘1100’) and a 3-bit code that is user specified when the
device is ordered. This allows up to eight MCP47X6
devices on a single I2C bus.
Figure 5-9 shows the I2C slave address byte format,
which contains the seven address bits and a read/write
(R/W) bit. Table 5-2 shows the eight I2C slave address
options and their respective device order code.
FIGURE 5-9:
Slave Address Bits in the
I2C Control Byte.
Start bit
Read/Write bit
Address Byte
R/W
ACK
Acknowledge bit
Slave Address
1
0
Slave Address (7-bits)
A2
A1
A0
Note: Address Bits (A2:A0) specified at time of device
order, see Table 5-2.
Fixed
User Specified
TABLE 5-2:
I2C ADDRESS/ORDER CODE
7-bit I2C
Address
Device Order Code
Comment
‘1100000’
MCP47x6A0-E/xx
MCP47x6A0T-E/xx
Tape and Reel
‘1100001’
MCP47x6A1-E/xx
MCP47x6A1T-E/xx
Tape and Reel
‘1100010’
MCP47x6A2-E/xx
MCP47x6A2T-E/xx
Tape and Reel
‘1100011’
MCP47x6A3-E/xx
MCP47x6A3T-E/xx
Tape and Reel
‘1100100’
MCP47x6A4-E/xx
MCP47x6A4T-E/xx
Tape and Reel
‘1100101’
MCP47x6A5-E/xx
MCP47x6A5T-E/xx
Tape and Reel
‘1100110’
MCP47x6A6-E/xx
MCP47x6A6T-E/xx
Tape and Reel
‘1100111’
MCP47x6A7-E/xx
MCP47x6A7T-E/xx
Tape and Reel
Note 1:
The sample center will generally stock I2C
address ‘1100000’, other addresses may
be available.
2:
‘xx’ in the order code is the device
package code (CH for SOT-23 and MAY
for DFN)
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