SM89T16R1 Datasheet, PDF (12/34 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
ALE
/PSEN
PORT0
PORT2
A8-A15
t _LHLL
t _AVLL
t _LLPL
t _PLIV
t _PLPH
t _LLAX
A0-A7
t _AVIV2
t _AVIV1
t _PLAZ
t _LLIV
A8-A15
INSTR IN
Figure 7 External Program Memory Read Cycle
t _PXIZ
t _PXIX
A0-A7
A8-A15
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
/PSEN
/WR
PORT0 Instruction IN
PORT2
A8-A15
t _LLHL2
t _LLAX2
t _LLWL
t _WLWH
t _AVLL
t _AVWL1
A0-A7
t _AVDV2
t _QVWX
DATA OUT
A8-A15
t _WHLH
t _LWHQX
A0-A7
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
D5
D5
D6
D6
D7
D8
D7
D8
Figure 10 UART Mode 1Timing
Specifications subject to change without notice contact your sales representatives for the most recent information.
SM89T16R1 V1.0 JANUARY 2005
12