SM8958A Datasheet, PDF (19/25 Pages) SyncMOS Technologies,Inc – 8 - Bit Micro-controller with 32KB flash & 1KB RAM embedded

SyncMOS Technologies Inc.
September 2002
SM8958A
I/O Ports Timing
T6
T7
T8
T9 T10
T11 T12
T1 ^T2
T3 T4
T5
T6
T7 ^T8
X1
inputs P0,P1
inputs P2,P3
Output by
Mov Px,Src
RxD at Serial Port
Shift Clock
(Mode 0)
sampled
sampled
current data
sampled
next data
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
TCHCX
ALE
PORT 0
PORT 2
TLHLL
TAVLL
TLLPL
TLLAX ^TPLAZ
A0 - A7
TAVIV
A8 - A15
TPLIV
TPXIZ
TPXIX
Instruction. IN
A0 - A7
A8 - A15
Specifications subject to change without notice,contact your sales representatives for the most recent information.
19/25
Ver 1.0 PID 8958A 09/02