參數(shù)資料
型號(hào): UPD6708
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): 58/72頁
文件大小: 292K
代理商: UPD6708
58
μ
PD6708
8.3.4
Slave data transmission processing routine
This processing routine is used when a slave unit transmits data to the master unit after setting the SETSD command.
This routine is an interrupt service routine, and is executed when the return code (higher 2 bits = 00) is read in slave
data transmission.
Notes 1.
Untransmitted data in WDB is cleared by executing the ABORT command (see
8.3.2 (6)
).
N2: Number of slave transmit data bytes
2.
Start
Read STR
Return code 3H
N2 = 0
Normal end
N
Y
Set slave
transmit data.
WDB full
Write to WDB
N
Note 2
Return code 2H
Y
N
Y
Note 1
Termination during
transmission
N2
N2 – 2
Note 2
N
Y
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