參數(shù)資料
型號： M37640E8FP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 24 MHz, MICROCONTROLLER, PQFP80
封裝： 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80
文件頁數(shù)： 69/96頁
文件大?。?/td> 1477K
代理商： M37640E8FP
71
Ver 1.4
MITSUBISHI MICROCOMPUTERS
7640 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
3C
18
41
90
OpCode2
DMA Data
OpCode3
DMA Dest.
DMA Source
42,00
PC + 2
PC + 1
PC
PC + 3
OpCode5
Address
PC + 4
LDM #$90, $41
Single cycle
DMAC Transfer
Inst.
Next
Inst.
PC + 6
DMA Data
Φ
out
SYNCout
RD
WR
Address
Data
DMAC Transfer
Signal (Port33)
Transfer Request
Source (active low)
Source Sampling
Transfer Request
Source Sample
Latch Reset
Transfer Request
OpCode4
PC + 5
Single cycle
Inst.
Single cycl
Inst.
Φ
out
SYNCout
RD
WR
Address
Data
A5
ADL1
Data
85
DMA Data
ADL2
ADL2, 00
DMA Dest.
DMA Source
PC + 2
ADL1, 00
PC + 1
PC
PC + 3
OpCode3
Address
PC + 4
LDA$zz
STA $zz
(first cycle)
DMAC Transfer
STA $zz (last 2 cycles)
Data
DMAC Transfer
Signal (Port33)
Transfer Request
Source (active low)
Source Sampling
Transfer Request
Source Sample
Latch Reset
Transfe Request
Next
Inst.
A5
ADL1
Data
85
DMA Data1
DMA Data2
DMA Dest.
DMA Source
PC + 2
ADL1, 00
PC + 1
PC
ADL2
Address1
PC + 3
LDA $zz
STA $zz
(first cycle)
DMAC Transfer
STA $zz (second cycle)
DMA Data2
DMA Source
Address2
DMA Dest.
Φ
out
SYNCout
RD
WR
Address
Data
DMAC Transfer
Signal (Port33)
Transfer Request
Source (active low)
Source Sampling
Transfer Request
Source Sample
Latch Reset
Transfe Request
Fig. 1.86. DMAC Transfer-Hardware Source Initiated
Fig. 1.87. DMAC Transfer-Software Trigger Initiated
Fig. 1.88. DMAC Transfer-Burst Transfer Initiated
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