參數(shù)資料
型號: UPD70433R-12
廠商: NEC Corp.
元件分類: 16位微控制器
英文描述: V55PITM 16-BIT MICROPROCESSOR
中文描述: V55PITM 16位微處理器
文件頁數(shù): 148/166頁
文件大小: 772K
代理商: UPD70433R-12
148
μ
PD70433
DMA Timing (External I/O
External Memory)
T1
T2
T3
17
122
130
CLKOUT
A16-A23,
AD8-AD15
(With 8-Bit
External Bus)
AD0-AD7,
AD8-AD15
(With 16-Bit
External Bus)
ASTB
RAS
*1
RD, IOWR
WRL, WRH
IORD
DMAAK0,
DMAAK1
TCE0,
*2
TCE1
DEX
*3
20
19
Address
Address
18
21
22
24
30
43
42
23
25
41
121
40
36
35
37
30
120
27
70
71
28
26
70
72
31
73
32
29
* 1.
Only activated when a DMA transfer is performed on memory block 1 or 4 (set by the MBC register).
The bus is activated at the last transfer in intelligent DMA mode–2, 2–channel operating mode (stop in termina-
tion), or memory-to-memory transfer mode (stop in termination).
Only valid when the external bus width is 16 bits.
2.
3.
Remark
The dotted line indicates high-impedance.
相關PDF資料
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UPD70433R-16 V55PITM 16-BIT MICROPROCESSOR
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