SM5964 Datasheet, PDF (22/28 Pages) SyncMOS Technologies,Inc – 8 - bit single chip microcontroller with 64KB flash & 1K byte RAM embedded

SyncMOS Technologies Inc.
July 2002
SM5964
Timing Critical, Requirement of External Clock (Vss=0.0V is assumed)
Vdd-0.5V
70%Vdd
TCLCL
0.45V
20%Vdd-0.1V
TCHCL
TCLCX
Tm.I External Program Memory Read Cycle
TPLPH
#PSEN
TCLCH
ALE
PORT 0
PORT 2
TLHLL
TAVLL
TLLPL
TLLAX ^TPLAZ
A0 - A7
TAVIV
A8 - A15
TPLIV
TPXIZ
TPXIX
Instruction. IN
TCHCX
A0 - A7
A8 - A15
Tm.II External Data Memory Read Cycle
#PSEN
ALE
#RD
PORT 0
PORT 2
TYHLH
TLLYL
TLLDV
TRLRH
TAVLL
TLLAX
A0 - A7
from Ri or DPL
TRLDV
TRLAZ
TAVYL
TAVDV
P2.0 - P2.7 or A8 - A15 from DPH
TRHDZ
TRHDX
DATA IN
A0 - A7
FROM PCL
INSTRL
IN
A8 - A15 from PCH
Specifications subject to change without notice,contact your sales representatives for the most recent information.
22/28
Ver 1.0
PID 5964 07/02