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SM89S16R1L25 Datasheet(PDF) 10 Page - SyncMOS Technologies,Inc

No. de pieza SM89S16R1L25
Descripción Electrónicos  8-Bits Micro-controller With 64KB Flash ROM & IKB RAM & RTC & ADC & PWM & PDWU embedded
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Fabricante Electrónico  SYNCMOS [SyncMOS Technologies,Inc]
Página de inicio  http://www.syncmos.com.tw
Logo SYNCMOS - SyncMOS Technologies,Inc

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SyncMOS Technologies Inc.
SM89S16R1
8-Bits Micro-controller
With 64KB Flash ROM & IKB RAM & RTC & ADC & PWM & PDWU embedded
Specifications subject to change without notice contact your sales representatives for the most recent information.
SM89S16R1 V1.0 JANUARY 2005
10
AC Characteristic
VCC=3.3V
±10%, VSS=0V, tclk min = 1/ fmax(maximum operating frequency)
TA= -40℃ to +85℃
CL=100pF for Port0, ALE and /PSEN; CL=80pF for all other outputs unless otherwise specified.
Symbol
FIGURE
PARAMETER
MIN
MAX
UNIT
External Clock drive into XTAL1
tCLK
4
Xtal1 Period
40(1)
-
ns
tCLKH
4
Xtal1 HIGH time
20
-
ns
tCLKL
4
Xtal1 LOW time
20
-
ns
tCLKR
4
XTAL1 rise time
-
10
ns
tLLIV
4
XTAL1 fall time
-
10
ns
tCYC
4
Controller cycle time = tCLK / 4
3.33
-
Ns
NOTES:
1.
Operating at 25MHz.
Symbol
FIGURE
PARAMETER
MIN
MAX
UNIT
Program Memory
1/tCLK
7
System clock frequency
3.0
25
MHz
tLHLL
7
ALE pulse width
2tCLK-40
ns
tAVLL
7
Address valid to ALE low
tCLK-40
ns
tLLAX
7
Address hold after ALE low
tCLK-30
ns
tLLIV
7
ALE LOW to valid instruction in
4tCLK-100
ns
tLLPL
7
ALE LOW to /PSEN LOW
tCLK-30
ns
tPLPH
7
/PSEN pulse width
3tCLK-45
ns
tPLIV
7
/PSEN LOW to valid instruction in
3tCLK-105
ns
tPXIX
7
Input instruction hold after /PSEN
0
ns
tPXIZ
7
Input instruction float after /PSEN
tCLK -25
ns
tAVIV
7
Address to valid instruction in
5tCLK-105
ns
tPLAZ
7
/PSEN low to address float
10
ns
Data Memory
tAVLL
8,9
Address valid to ALE LOW
tCLK-40
ns
tLLAX
8,9
Address hold after ALE LOW
tCLK-35
ns
tRLRH
8
/RD pulse width
6tCLK-100
ns
tWLWH
9
/WR pulse width
6tCLK-100
ns
tRLDV
8
/RD LOW to valid data in
5tCLK-165
ns
tRHDX
8
Data hold after /RD
0
ns
tRHDZ
8
Data float after /RD
2tCLK-70
ns
tLLDV
8
ALE LOW to valid data in
8tCLK-150
ns
tAVDV
8
Address to valid data in
9tCLK-165
ns
tLLWL
8,9
ALE LOW to /RD or /WR LOW
3tCLK-50
3tCLK+50
ns
tAVWL
8,9
Address valid to /WR or /RD LOW
4tCLK-130
ns
tQVWX
9
Data valid to /WR transition
tCLK-50
ns
tQVWH
9
Data before /WR
7tCLK-150
ns
tWHQX
9
Data hold after /WR
tCLK-50
ns
tRLAZ
8
/RD LOW to address float
0
ns
tWHLH
8,9
/RD or /WR HIGH to ALE HIGH
tCLK-40
tCLK+40
ns
UART
tXLXL
10
Serial port clock time
12tCLK
ns
tQVXH
10
Output data setup to clock rising edge
10tCLK-133
ns
tXHQX
10
Output data hold after clock rising edge
2tCLK-117
ns
tXHDX
10
Input data hold after clock rising edge
0
ns
tXHDV
10
Clock rising edge to input data valid
10tCLK-133
ns


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