SM89T16R1_06 Datasheet, PDF (12/35 Pages) SyncMOS Technologies,Inc – 8-Bits Micro-controller With 64KB Flash ROM & 1KB RAM & Two UART & RTC & ADC & PWM embedded

SyncMOS Technologies International, Inc.
SM89T16R1
8-Bits Micro-controller
With 64KB Flash ROM & 1KB RAM & Two UART & RTC & ADC & PWM embedded
t _LHLL
ALE
/PSEN
t _AVLL
t _LLPL
t _PLIV
t _PLPH
PORT0
A0-A7
t _LLAX
t _PLAZ
t _LLIV
INSTR IN
t _PXIZ
t _PXIX
A0-A7
PORT2
A8-A15
t _AVIV2
t _AVIV1
A8-A15
A8-A15
Figure 7 External Program Memory Read Cycle
ALE
/PSEN
/RD
PORT0 Instruction IN
PORT2
A8-A15
t _LLHL2
t _LLDV
t _LLWL
t _LLAX1
t _RLRH
t _RLDV
t _AVLL
t _AVWL1
A0-A7
t _RLAZ
t _AVIV1
t _AVIV2
A8-A15
Figure 8 External Data Memory Read cycle
t _WHLH
t _RHDZ
t _RHDX
DATA IN
A0-A7
A8-A15
ALE
t _LLHL2
/PSEN
/WR
PORT0 Instruction IN
PORT2
A8-A15
t _LLAX2
t _LLWL
t _WLWH
t _AVLL
t _AVWL1
A0-A7
t _AVDV2
t _QVWX
DATA OUT
A8-A15
Figure 9 External Data Memory Write cycle
UART (Synchronous Mode)
High Speed Operation SM2=1 => TXD Clock =XTAL/4
ALE
/PSEN
WRITE_TO_SBUF
TXD_DATA_OUT
TXD_CLOCK
TI
WRITE_TO_SCON_TO_CLEAN_RI
RXD_DATA_IN
TXD_CLOCK
RI
t _QVXH
D0
D1
t _XHQX
t _XLXL
D0
D1
t _XHDV
D2
D3
t _XHDX
D2
D3
D4
D4
Figure 10 UART Mode 1Timing
t _WHLH
t _LWHQX
D5
D6
D5
D6
A0-A7
A8-A15
D7
D8
D7
D8
Specifications subject to change without notice contact your sales representatives for the most recent information.
12
Ver 2.1 SM89T16R1 08/2006