SM89T16R1 Datasheet, PDF (10/34 Pages) SyncMOS Technologies,Inc – 8-Bits Micro-controller With 64KB Flash ROM & IKB RAM & Two UART & RTC & ADC & PWM embedded

SyncMOS Technologies Inc.
SM89T16R1
8-Bits Micro-controller
With 64KB Flash ROM & IKB RAM & Two UART & RTC & ADC & PWM embedded
AC Characteristic
V_CC=3.3V±10%, V_SS=0V, t_clk min = 1/ f_max(maximum operating frequency)
T_A=-40℃ to +85℃
C_L=100pF for Port0, ALE and /PSEN; C_L=80pF for all other outputs unless otherwise specified.
Symbol
FIGURE
t_CLCL
4
t_CHCX
4
t_CLCX
4
t_CLCH
4
t_CHCL
4
t_CYC
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 = t_CLCL / 4
MIN
62.5 ⁽¹⁾
31
31
-
-
5.2
MAX
-
-
-
15
15
-
UNIT
ns
ns
ns
ns
ns
ns
Symbol
1/t_CLCL
t_LHLL
t_AVLL
t_LLAX
t_LLAX
t_LLIV
t_LLPL
t_PLPH
t_PLIV
t_PXIX
t_PXIZ
t_AVIV1
t_AVIV2
t_PLAZ
FIGURE
7
7
7
7
8
7
7
7
7
7
7
7
7
7
PARAMETER
Program Memory
System clock frequency
ALE pulse width
Address valid to ALE low
Address hold after ALE low
Address hold after ALE low for MOVX Write
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
Port 0 Address to valid instruction in
Port 2 Address to valid instruction in
/PSEN low to address float
MIN
3.0
1.5 t_CLCL -5
0.5 t_CLCL -5
0.5 t_CLCL -5
0.5 t_CLCL -5
0.5 t_CLCL -5
2.0 t_CLCL -5
0
0
MAX
16
2.5t_CLCL-20
2.0t_CLCL-20
t_CLCL -5
3.0t_CLCL-20
3.5t_CLCL-20
UNIT
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Symbol FIGURE
MOVX Characteristics Using Stretch Memory Cycles
PARAMETER
MIN
MAX
UNIT Stretch
t_LHLL2
8
t_LLAX2
9
t_RLRH
8
t_WLWH
9
t_RLDV
8
t_RHDX
8
t_RHDZ
8
t_LLDV
8
t_AVIV1
8
t_AVIV2
7,8
t_LLWL
8,9
t_AVWL1
8,9
ALE pulse width
Address hold after ALE low for MOVX Write
/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
Port 0 Address to valid instruction in
Port 2 Address to valid instruction in
ALE LOW to /RD or /WR LOW
Port0 Address valid to /WR or /RD LOW
1.5 t_CLCL –5
2.0 t_CLCL -5
0.5 t_CLCL -5
2.0 t_CLCL –5
t_MCS -10
2.0 t_CLCL –5
t_MCS -10
0
0.5 t_CLCL–5
1.5 t_CLCL–5
t_CLCL–5
2.0 t_CLCL–5
ns
ns
ns
ns
2.0 t_CLCL –20
ns
t_MCS -20
ns
t_CLCL –5
ns
2.0 t_CLCL –5
2.5 t_CLCL –5
ns
t_MCS+2.0t_CLCL –40
3.0 t_CLCL-20
ns
2.0 t_CLCL –5
3.5 t_CLCL-20
ns
2.5 t_CLCL –5
0.5 t_CLCL+5
ns
1.5 t_CLCL+5
ns
t_MCS =0
t_MCS >0
t_MCS =0
t_MCS >0
t_MCS =0
t_MCS >0
t_MCS =0
t_MCS >0
t_MCS =0
t_MCS >0
t_MCS =0
t_MCS >0
t_MCS =0
t_MCS >0
t_MCS =0
t_MCS >0
t_MCS =0
t_MCS >0
t_MCS =0
t_MCS >0
Specifications subject to change without notice contact your sales representatives for the most recent information.
SM89T16R1 V1.0 JANUARY 2005
10