參數(shù)資料
型號(hào): MB91108PFV
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 50 MHz, RISC MICROCONTROLLER, PQFP120
封裝: PLASTIC, LQFP-120
文件頁數(shù): 86/96頁
文件大?。?/td> 1342K
代理商: MB91108PFV
MB91107/108
87
(16) DMA Controller Timing
(VCC
= 3.0 V to 3.6 V, AVSS = VSS = 0.0 V, TA = 0 °C to +70 °C)
Parameter
Symbol
Pin name
Condi-
tion
Value
Unit
Remarks
Min.
Max.
DREQ input pulse
width
tDRWH
DREQ0 to
DREQ2
2 tCYC
ns
DACK delay time
(Normal bus)
(Normal DRAM)
tCLDL
CLK
DACK0 to
DACK2
6ns
tCLDH
6ns
EOP delay time
(Normal bus)
(Normal DRAM)
tCLEL
CLK
EOP0 to EOP2
6ns
tCLEH
6ns
DACK delay time
(Single DRAM)
(Hyper DRAM)
tCHDL
CLK
DACK0 to
DACK2
n
/ 2 × tCYC
ns
tCHDH
6ns
EOP delay time
(Single DRAM)
(Hyper DRAM)
tCHEL
CLK
EOP0 to EOP2
n
/ 2 × tCYC
ns
tCHEH
6ns
CLK
DREQ0 to DREQ2
2.4 V
0.8 V
2.4 V
DACK0 to DACK2
EOP0 to EOP2
DACK0 to DACK2
EOP0 to EOP2
(Single DRAM)
(Hyper DRAM)
tCYC
tDRWH
tCLDL
tCLEL
tCHDL
tCHEL
tCLDH
tCLEH
tCHDH
tCHEH
(Normal bus)
(Normal DRAM)
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