SM89S16R1 Datasheet, PDF (15/28 Pages) SyncMOS Technologies,Inc – 8-Bits Micro-controller With 64KB Flash ROM & IKB RAM & RTC & ADC & PWM & PDWU embedded

SyncMOS Technologies Inc.
SM89S16R1
8-Bits Micro-controller
With 64KB Flash ROM & IKB RAM & RTC & ADC & PWM & PDWU embedded
A.) 1 byte, 1 Cycle Instruction
S1 S2 S3 S4 S5 S6 S1 S2
Read OPCODE Read next OPCODE Read next OPCODE
Discard
again
1 machine cycle
B.) 2 byte, 1 Cycle Instruction
S1 S2 S3 S4 S5 S6 S1 S2
Read OPCODE Read 2’nd Byte
Read next OPCODE
1 machine cycle
C.) 1 byte, 2 Cycle Instruction
S1 S2 S3 S4 S5 S6 S1 S2 S3 S4 S5 S6 S1 S2
Read OPCODE
1’st cycle
Read next OPCODE (Discard)
2’nd cycle
Read next
OPCODE
again
D.) MOVX: 1 byte, 2 Cycle Instruction _{ACCESS external memory}
ADDR
DATA
S1 S2 S3 S4 S5 S6 S1 S2 S3 S4 S5 S6 S1 S2
Read OPCODE ^{Read next OPCODE}
(Discard)
1’st cycle
No Fetch
No Fetch
2’nd cycle
Read next
OPCODE
Again
Figure 13 Timing of various instructions
Specifications subject to change without notice contact your sales representatives for the most recent information.
15
SM89S16R1 V1.0 JANUARY 2005