參數(shù)資料
型號: DS229N
廠商: DALLAS SEMICONDUCTOR
元件分類: Line Driver or Receiver
英文描述: LINE TRANSCEIVER, PDIP20
封裝: DIP-20
文件頁數(shù): 18/29頁
文件大?。?/td> 1710K
代理商: DS229N
MAX14640–MAX14644/MAX14651
USB Host Adapter Emulators
25
Maxim Integrated
Single-Byte Read
In this operation, the master sends an address plus two
data bytes and receives one data byte from the slave
device (Figure 10). The following procedure describes
the single-byte read operation:
1) The master sends a START condition.
2) The master sends the 7-bit slave address plus a
write bit (low).
3) The addressed slave asserts an ACK on the data
line.
4) The master sends the 8-bit register address.
5) The slave asserts an ACK on the data line only if the
address is valid (NAK if not).
6) The master sends a Repeated START condition.
7) The master sends the 7-bit slave address plus a read
bit (high).
8) The addressed slave asserts an ACK on the data
line.
9) The slave sends eight data bits.
10) The master asserts a NACK on the data line.
11) The master generates a STOP condition.
Figure 10. Read Byte Sequence
S
Sr
DEVICE SLAVE ADDRESS - W
A
DEVICE SLAVE ADDRESS - R
READ SINGLE BYTE
A
REGISTER ADDRESS
A
8 DATA BITS
NA
FROM MASTER TO SLAVE
FROM SLAVE TO MASTER
P
相關(guān)PDF資料
PDF描述
DS229SN LINE TRANSCEIVER, PDSO20
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