參數(shù)資料
型號： IRMCK203
廠商： International Rectifier
英文描述： High Performance Sensorless Motion Control IC
中文描述： 高性能運(yùn)動控制芯片傳感器
文件頁數(shù)： 42/57頁
文件大?。?/td> 400K
代理商： IRMCK203
IRMCK203
EepromControl Registers (Write Registers)
At power up, the write registers can be optionally initialized with values stored in EEPROM. The EepromControl
write register group and EepromStatus read register group are used to read and write these EEPROM values. Since
the EeAddrW write register (which selects the EEPROM offset to read or write) does not require initialization at
power up, the location corresponding to that register in EEPROM (at offset 0x5D) is used to store a register map
version code. At power on, the IRMCK203 initializes the write registers from EEPROM only if the version code
stored at this offset in EEPROM matches its internal register map version code (which can be read from the
RegMapVer field of the EepromStatus read register group).
To enable write register initialization at power up, write the appropriate register map version code to EEPROM at
offset 0x5D. To disable write register initialization at power up, write a zero (or any non-matching version code) to
offset 0x5D of the EEPROM.
Byte
Offset
7
6
5
0x5C
0x5D
0x5E
This document is the property of International Rectifier and may not be copied or distributed without expressed consent.
42
Bit Position
4
3
2
1
0
SPARE
EeWrite
EeRead
EeRst
EeAddrW / RegMapVersCode
(W)
EeDataW
(W)
EepromControl Write Register Map
Field
Name
EeRst
Access
(R/W)
W
Field Description
Self-clearing EEPROM reset. Writing a "1" to this bit resets the I2C
EEPROM interface.
Self-clearing I2c EEPROM Read. Writing a "1" to this bit initiates an
EEPROM read from the byte located at EEPROM address EeAddrW.
After setting this bit the user should poll the EeBusy bit in the
EepromStatus read register group to determine when the read
completes and then read the data from EeDataR in the
EepromStatus read register group.
Self-clearing EEPROM Write. Writing a "1" to this bit initiates an
EEPROM write from the data byte in EeDataW to the EEPROM
address EeAddrW .
EEPROM Address Register.
Contains the address for the next
EEPROM read or write operation.
EEPROM Data Register. Contains the data for the next EEPROM
write operation.
EepromControl Write Register Field Definitions
EeRead
W
EeWrite
W
EeAddrW
W
EeDataW
W
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