DS89C420 Dallas Semiconducotr, DS89C420 Datasheet - Page 50

• Manufacturer Part Number: DS89C420
• Description: Ultra-High-Speed Microcontroller
• Manufacturer: Dallas Semiconducotr

Figure 12. Non-Page Mode Timing
XTAL1
PSEN
Port 0
Port 2
ALE
RD
WR
LSB
MSB
t
LLIV
t
t
AVLL
AVLL2
t
t
t
t
CLCL
t
PXIX
LLAX
PXIZ
LLPL
MOVX
LSB
t
AVIV0
MSB
t
PLPH
t
AVWL2
MOVX
t
PLIV
t
RLDV
50 of 59
t
LSB
t
AVDV2
AVDV0
MSB
t
t
AVLL3
LHLL
t
t
LLAX3
RLRH
DATA
t
LLDV
t
LSB
RHDX
t
t
AVIV2
RHDZ
MSB
t
PLAZ
OPCODE
t
AVWL0
LSB
t
t
WHQX
t
WHLH
t
t
MSB
WLWH
LLAX2
LLWL
t
QVWX
DATA