參數(shù)資料
型號: UPD6708GS
廠商: NEC Corp.
英文描述: IEBusa Inter Equipment Busa PROTOCOL CONTROL LSI
中文描述: IEBusa設(shè)備布薩間協(xié)議控制大規(guī)模集成電路
文件頁數(shù): 32/72頁
文件大?。?/td> 292K
代理商: UPD6708GS
32
μ
PD6708
Table 5-5. Slave Status after Execution of INIT Command
Bit
Value
Meaning
Bit 2
0
Unit is not locked.
Bit 0
0
Slave transmit buffer is empty.
<4>
Slave transmission and broadcast reception are enabled.
<5>
After the 2-byte command parameter (master address and condition setting code) have been read from the write
data buffer (WDB), WDB is cleared.
(2)
Example
When INIT command specifies that the master address is ‘012H’ and the condition setting are ‘communication in mode
1’ and ‘slave data transmission section operable’, the contents of WDB and CMR are as shown below.
5.2.2
SETSA command (command code: 0001)
(1)
Functions
<1>
Slave address (12 bits) setting
The value for the slave address set by the SETSA command remains unchanged until the power is turned off or the
reset mode is entered.
<2>
This command clears WDB after reading the 2-byte command parameter (slave address) from WDB.
(2)
Example
When SETSA command sets the slave address as ‘024H’, the contents of WDB and CMR are as shown below.
0000
0001
0010
0101
0100
0000
First Byte
Second Byte
Master Address
Condition
Setting Code
Third Byte
Fourth Byte
WDB
CMR
0000
0010
0100
0000
0100
0001
First Byte
Second Byte
Slave Address
Set to
0000
Third Byte
Fourth Byte
WDB
CMR
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