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参数资料
| 型号： | EM4150A6CI2LB |
| 英文描述： | Multiphase PWM Controller for CORE Voltage Regulation; Temperature Range: 0°C to 70°C; Package: 24-SOIC |
| 中文描述： | 模拟杂项 |
| 文件页数： | 13/14页 |
| 文件大小： | 197K |
| 代理商： | EM4150A6CI2LB |
EM4150
EM4350
Copyright
2002, EM Microelectronic-Marin SA
8
www.emmicroelectronic.com
Write Word (cont.)
After reception of the command, the address, and the data, the EM4150 will check the parity, the write protection status, the
Login status, and also if the available power from the RF field is sufficient. If all the conditions are satisfied, an acknowledge
pattern (ACK) will be issued afterward and the EEPROM writing process will start. At the end of programming, the chip will
send an Acknowledge pattern (ACK). If at least one of the checks fails, the chip will issue a no acknowledge pattern (NAK)
instead of ACK and return to the Standard Read Mode. The Transceiver will keep the RF field permanently "ON" during the
whole writing process time.
The Read After Write function (bit 17 of Control word) controls the mode of operation following a write operation. When
"ON" the latest written word will be read out and output next to the ACK pattern and two Listen Windows (LIW-LIW) even if
the word is read protected. When "OFF", the ACK is followed immediately by a LIW-LIW and FWR. The last written word is
not output.
If a request from the transceiver to return in receive mode (RM) is generated during the LIW, another word can be written in.
Otherwise, the EM4150 will return in the Standard Read Mode.
OUTPUT
WORD n
LIW
INPUT
ACK
RM WRITE WORD ADDRESS
DATA
ACK
LIW
OUTPUT
WORD n
LIW
INPUT
NAK
RM WRITE WORD ADDRESS
DATA
LIW
Write 1 word
Write several words
Read After Write function
OUTPUT
WORD n
LIW
INPUT
ACK
RM WRITE WORD ADDRESS
DATA
ACK
LIW
RM WRITE WORD ADDRESS
DATA
OUTPUT
WORD n
LIW
INPUT
ACK
RM WRITE WORD ADDRESS
DATA
ACK
Last Written
LIW
FWR
LIW
FWR
LIW
FWR
LIW
Note: The Last Written is outpout
even if Read Protected.
TRANSCEIVER RF FIELD "ON"
LIW
twa
twee
twa
twee
twa
twee
twa
Fig. 17
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| EM4150A6CI2LC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Miscellaneous |
| EM4150A6CI2SB | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Miscellaneous |
| EM4150A6CI2SC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Miscellaneous |
| EM4150A6SO8A | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Miscellaneous |
| EM4150A6WP11 | 制造商:EMMICRO 制造商全称:EM Microelectronic - MARIN SA 功能描述:1 KBit READ / WRITE CONTACTLESS IDENTIFICATION DEVICE |
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