參數(shù)資料
型號: PCA9665
廠商: NXP Semiconductors N.V.
英文描述: Fm+ parallel bus to I2C-bus controller
中文描述: 調(diào)頻并行總線I2C總線控制器
文件頁數(shù): 62/91頁
文件大?。?/td> 372K
代理商: PCA9665
PCA9665_2
NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 02 — 7 December 2006
62 of 91
NXP Semiconductors
PCA9665
Fm+ parallel bus to I
2
C-bus controller
Master PCA9665 reads data from slave transmitter.
Fig 20. Bus timing diagram; Unbuffered Master Receiver mode
n byte
ACK
SCL
SDA
INT
START
condition
7-bit address
R/W = 1
interrupt
from slave
first byte
ACK
no ACK
interrupt
STOP
condition
002aab032
from master receiver
External master receiver reads data from PCA9665.
(1) As defined in I2CADR register.
Fig 21. Bus timing diagram; Unbuffered Slave Transmitter mode
n byte
ACK
SCL
SDA
INT
START
condition
7-bit address
(1)
R/W = 1
interrupt
from slave PCA9665
first byte
ACK
no ACK
interrupt
STOP
condition
002aab033
from master receiver
interrupt
Slave PCA9665 is written to by external master transmitter.
(1) As defined in I2CADR register.
Fig 22. Bus timing diagram; Unbuffered Slave Receiver mode
n byte
ACK
SCL
SDA
INT
START
condition
7-bit address
(1)
R/W = 0
interrupt
from slave PCA9665
first byte
ACK
ACK
interrupt
STOP
condition
002aab034
interrupt
interrupt
(after STOP)
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