SM89S16R1_06 Datasheet, PDF (10/29 Pages) SyncMOS Technologies,Inc – 8-Bits Micro-controller With 64KB Flash ROM & 1KB RAM & RTC & ADC & PWM & PDWU embedded

SyncMOS Technologies International, Inc.
SM89S16R1
8-Bits Micro-controller
TA= -40℃ to +85℃
With 64KB Flash ROM & 1KB RAM & RTC & ADC & PWM & PDWU embedded
C_L=100pF for Port0, ALE and /PSEN; C_L=80pF for all other outputs unless otherwise specified.
Symbol
FIGURE
tCLK
4
tCLKH
4
tCLKL
4
tCLKR
4
tLLIV
4
tCYC
4
NOTES:
1. Operating at 25MHz.
PARAMETER
External Clock drive into XTAL1
Xtal1 Period
Xtal1 HIGH time
Xtal1 LOW time
XTAL1 rise time
XTAL1 fall time
Controller cycle time = tCLK / 4
MIN
40(1)
20
20
-
-
3.33
MAX
-
-
-
10
10
-
UNIT
ns
ns
ns
ns
ns
Ns
Symbol
1/tCLK
tLHLL
tAVLL
tLLAX
tLLIV
tLLPL
tPLPH
tPLIV
tPXIX
tPXIZ
tAVIV
tPLAZ
tAVLL
tLLAX
tRLRH
tWLWH
tRLDV
tRHDX
tRHDZ
tLLDV
tAVDV
tLLWL
tAVWL
tQVWX
tQVWH
tWHQX
tRLAZ
tWHLH
tXLXL
tQVXH
tXHQX
tXHDX
tXHDV
FIGURE
7
7
7
7
7
7
7
7
7
7
7
7
8,9
8,9
8
9
8
8
8
8
8
8,9
8,9
9
9
9
8
8,9
10
10
10
10
10
PARAMETER
Program Memory
System clock frequency
ALE pulse width
Address valid to ALE low
Address hold after ALE low
ALE LOW to valid instruction in
ALE LOW to /PSEN LOW
/PSEN pulse width
/PSEN LOW to valid instruction in
Input instruction hold after /PSEN
Input instruction float after /PSEN
Address to valid instruction in
/PSEN low to address float
Data Memory
Address valid to ALE LOW
Address hold after ALE LOW
/RD pulse width
/WR pulse width
/RD LOW to valid data in
Data hold after /RD
Data float after /RD
ALE LOW to valid data in
Address to valid data in
ALE LOW to /RD or /WR LOW
Address valid to /WR or /RD LOW
Data valid to /WR transition
Data before /WR
Data hold after /WR
/RD LOW to address float
/RD or /WR HIGH to ALE HIGH
UART
Serial port clock time
Output data setup to clock rising edge
Output data hold after clock rising edge
Input data hold after clock rising edge
Clock rising edge to input data valid
MIN
3.0
2tCLK-40
tCLK-40
tCLK-30
tCLK-30
3tCLK-45
0
tCLK-40
tCLK-35
6tCLK-100
6tCLK-100
0
3tCLK-50
4tCLK-130
tCLK-50
7tCLK-150
tCLK-50
tCLK-40
12tCLK
10tCLK-133
2tCLK-117
0
MAX
UNIT
25
4tCLK-100
3tCLK-105
tCLK -25
5tCLK-105
10
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
5tCLK-165 ns
ns
2tCLK-70
ns
8tCLK-150 ns
9tCLK-165 ns
3tCLK+50
ns
ns
ns
ns
ns
0
ns
tCLK+40
ns
ns
ns
ns
ns
10tCLK-133 ns
Specifications subject to change without notice contact your sales representatives for the most recent information.
Ver 2.1 SM89S16R1 08/2006
10