參數(shù)資料
型號: UPD70208HLP-20
廠商: NEC Corp.
英文描述: V40HLTM, V50HLTM 16/8, 16-BIT MICROPROCESSOR
中文描述: V40HLTM,V50HLTM 16 / 8,16位微處理器
文件頁數(shù): 26/110頁
文件大小: 625K
代理商: UPD70208HLP-20
26
μ
PD70208H, 70216H
Data Sheet U13225EJ4V0DS00
Figure 6-1. Internal Bus Cycles
Figure 6-2. Bus Wait Operation
Note
The period in which the external bus master which has been given the bus after its release by the V40HL and
V50HL can use the bus.
CPU
CPU
DMA
Refresh
Refresh
Refresh
Bus Cycle
Internal DMA Request
Internal Refresh Request
(Highest Priority)
Bus Wait
Bus Release
Refresh
Note
Bus Cycle
HLDRQ Pin
HLDAK Pin
Internal Refresh Request
(Highest Priority)
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