參數(shù)資料
型號: DMC73C168
英文描述: 8Bit Single Chip Microcontroller
中文描述: 8位單芯片微控制器
文件頁數(shù): 60/90頁
文件大?。?/td> 742K
代理商: DMC73C168
60
8Bit Single Chip Microcontroller
DMC73C167
Figure 5-12. Data Transfer in Slave Receiver Mode
SCL
*Note
SDA
ACK by Slave
Start Condition
SDIR(0) Set
SEL(1) Set
*Note
INT5_2F(1) Set
ACK by Slave
*Note : At this point INT5_1F is set when used as the master device.
5.7.2.2.2 Slave Transmitter Mode
If the slave receives its slave address from the master, the contents of the P56 register
will be set to SEL=1/SDIR=1/GCALL=0/INT5_2F=1. If the salve sends one byte of
data, one byte of data should be written to SDATA (P55) before the INT5_2F flag is
cleared. If the master returns ACK every time one byte of data is received from the
slave, the interrupt of the slave will occur. But if the master returns NACK to the slave,
the interrupt of the slave will not occur.
The accompanying waveform shows the address cycle and the transfer of one byte of
data during the master receiver mode (slave transmitter mode). At the seventh SCL
7-Bit Addr. & 1-Bit Dir.
1
2
3
4
5
6
7
8
9
1
0
1
0
1
0
0
0
1 Byte Data from Master
1
2
3
4
5
6
7
8
9
0
0
1
0
1
0
1
1
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