參數(shù)資料
型號(hào): DS89C450
英文描述: Ultra-High-Speed Flash Microcontrollers
中文描述: 超高速閃存微控制器
文件頁數(shù): 8/48頁
文件大小: 934K
代理商: DS89C450
DS89C430/DS89C440/DS89C450 Ultra-High-Speed Flash Microcontrollers
8 of 48
Figure 2. Page Mode 1 Timing
XTAL1
ALE
Port 0
Port 2
LSB
DATA
PSEN
RD
WR
LSB
LSB
LSB
DATA
MOVX
OPCODE
t
CLCL
t
AVLL2
t
LHLL
t
RLDV
t
WLWH
t
LLAX2
t
LLWL
t
LLAX
t
AVIV2
t
PXIX
t
PLPH
t
PLIV
t
AVWL2
t
LLAX3
t
RLRH
t
WHLH
t
WHQX
MSB
LSB
MSB
MSB
MSB
LSB
OPCODE
MOVX
t
QVWX
t
AVDV2
t
RHDX
Figure 3. Page Mode 2 Timing
XTAL1
ALE
Port 0
Port 2
MSB
OPCODE
PSEN
RD
WR
MSB
MSB
LSB
MSB
DATA
MOVX
MOVX
t
CLCL
t
AVLL2
t
LHLL
t
WLWH
t
LLAX2
t
LLWL
t
LLPL
t
PLIV
t
LLIV
t
AVIV0
t
PXIX
t
AVLL3
t
LLAX3
t
PLPH
t
PLAZ
t
WHLH
t
WHQX
t
QVWX
t
AVIV2
t
AVDV2
t
AVWL2
t
PXIZ
t
AVLL
t
LLDV
t
AVDV0
t
RHDX
t
RHDZ
t
RLDV
t
AVWL0
t
LLAX
LSB
LSB
LSB
LSB
LSB
OPCODE
DATA
t
RLRH
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