DS89C430 Datasheet, PDF (8/48 Pages) Dallas Semiconductor – Ultra-High-Speed Flash Microcontrollers

DS89C430/DS89C440/DS89C450 Ultra-High-Speed Flash Microcontrollers
Figure 2. Page Mode 1 Timing
XTAL1
ALE
PSEN
RD
WR
Port 0
tCLCL
tAVLL2
tLHLL
tLLAX3
tLLWL
tRLRH
tAVIV2
OPCODE ^MOVX
MOVX
tRHDX
tRLDV
DATA
tAVDV2
tPLPH
tLLAX
tLLAX2
tWHLH
tPXIX
tPLIV
OPCODE
tQVWX
tWHQX
tAVWL2
tWLWH
DATA
Port 2 ^LSB
LSB
LSB
MSB
LSB
MSB
LSB
MSB
LSB
MSB
Figure 3. Page Mode 2 Timing
XTAL1
ALE
PSEN
RD
WR
Port 0
Port 2
tCLCL
tAVLL
tAVLL2
tLLPL
tPLIV
tPLPH
tPXIX
tLLIV
tAVIV0
LSB
LSB
LSB
tLLAX
tPXIZ
MSB
OPCODE
MOVX
MOVX
tLHLL
tAVLL3
tLLAX2
tLLAX3
tRLRH
tPLAZ
tLLDV
tRLDV
tAVWL2
tAVDV0
tRHDX
tWHLH
tLLWL
tAVWL0
tWLWH
tWHQX
LSB
LSB
LSB
tAVDV2
tRHDZ
tAVIV2
tQVWX
MSB
DATA
MSB
OPCODE
MSB
DATA
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