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): 50/72頁
文件大?。?/td> 292K
代理商: UPD6708
50
μ
PD6708
8.3
Processing Routine
8.3.1
μ
PD6708 initialization routine
INIT command setting flow
Start
Drive the host controller port which controls the
RESET pin low for 6
s or longer, then return it to high.
(Not necessary when a hardware reset such as a power-on
reset is executed.)
PD6708
μ
Reset PD6708
CMR
00H
INIT command
setting
Normal end
Place 00H in the command register.
Release reset mode.
Set unit address slave unit condition with INIT command.
μ
Start
Read STR
WDB empty
Write to WDB
Write to WDB
Write to CMR
Normal end
EXIT
N
Y
Unit Address Setting
(Higher 8 Bits)
Unit Address (Lower 4 Bits)
Slave Unit Condition Setting
Set command code (0H).
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