參數(shù)資料
型號: M37640E8FS
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 單芯片8位CMOS微機
文件頁數(shù): 88/96頁
文件大?。?/td> 1477K
代理商: M37640E8FS
88
Ver 1.4
MITSUBISHI MICROCOMPUTERS
7640 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Fig. 2.4. Microprocessor and Memory Expansion Mode Timing Diagram 1
Φ
AB15-AB8
AB7-AB0
SYNC
OUT
RD, WR
RDY
DB0-DB7
(CPU Read Phase)
DB0-DB7
(CPU Write Phase)
t
c(
Φ
)
0.5Vcc
td(
Φ
- AH)
0.5Vcc
twh(
Φ
)
td(
Φ
- AL
)
th(
Φ
- RDY)
tsu(RDY -
Φ
)
td(
Φ
- DB)
tv(
Φ
- DB)
tsu(DB -
Φ
)
td(
Φ
-
RD
)
0.5Vcc
0.8Vcc
0.2Vcc
0.8Vcc
0.2Vcc
0.5Vcc
th(
Φ
- DB)
tv(
Φ
- RD)
tv(
Φ
- AL)
tv(
Φ
- AH)
twl(
Φ
)
0.5Vcc
0.5Vcc
DMA
OUT
td(
Φ
-
SYNC
)
0.5Vcc
td(
Φ
-
DMA
)
0.5Vcc
tv(
Φ
- DMA)
HOLD
(Enter state)
th(
Φ
- HOLD)
tsu(HOLD -
Φ
)
0.8Vcc
0.2Vcc
HLDA
td(
Φ
- HLDAL)
tv(
Φ
- SYNC)
(n cycles of
Φ)
HOLD
(Exit state)
th(
Φ
- HOLD)
tsu(HOLD -
Φ
)
0.8Vcc
0.2Vcc
HLDA
td(
Φ
- HLDAH)
0.5Vcc
0.5Vcc
td(
Φ
-
WR
)
tv(
Φ
- WR)
USB D+
USB D-
tr(
D-
)
0.9VoH
tr(
D+
)
tf(
D+
)
tf(
D-
)
0.1VoH
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