參數(shù)資料
型號(hào): UPD70741GC-25-8EU
廠商: NEC Corp.
元件分類(lèi): 16位微控制器
英文描述: V821TM 32-/16-BIT MICROPROCESSOR
中文描述: V821TM 32-/16-BIT微處理器
文件頁(yè)數(shù): 99/112頁(yè)
文件大?。?/td> 605K
代理商: UPD70741GC-25-8EU
μ
PD70741
99
(9) Page-ROM access timing (2/2)
T1
T1
T2
Off-page access
On-page access
T2
T2
T2
CLKOUT (output)
A3-A23
Note 1
(output)
A0-A2
Note 2
(output)
CS3 (output)
MRD (output)
D0-D15
(input/output)
Remark
Broken lines indicate high impedance.
30
30
32
36
118
120
119
121
Notes 1.
The address pins to be used vary with the settings of bits MA5 to MA3 of the
page-ROM configuration register (PRC).
2.
The address pins to be used vary with the settings of bits MA5 to MA3 of the
page-ROM configuration register (PRC).
MA5
MA4
MA3
Address
0
0
0
A3-A23
0
0
1
A4-A23
0
1
1
A5-A23
1
1
1
A6-A23
MA5
MA4
MA3
Address
0
0
0
A0-A2
0
0
1
A0-A3
0
1
1
A0-A4
1
1
1
A0-A5
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