SM5964A Datasheet, PDF (11/30 Pages) SyncMOS Technologies,Inc – 8-Bit Micro-controller With 64KB ISP Flash & TWSI & PWM & 1KB RAM embedded

SyncMOS Technologies International, Inc.
SM5964A
8-Bit Micro-controller
With 64KB ISP Flash & TWSI & PWM & 1KB RAM embedded
ALE
/PSEN
/RD
PORT0
PORT2
t _WHLH
t _LLDV
t _LLWL
t _RLRH
t _AVLL
t _LLAX
A0 - A7 (RI or DPL)
t _RLDV
t _RLAZ
t _RHDZ
t _RHDX
DATA IN
t _AVDV
t _AVWL
A8 - A15 of DPH or PORT2
Figure 8 external memory read cycle
A0 - A7 (PCL)
INSTR IN
A8 - A15 (PCH)
ALE
/PSEN
/WR
PORT0
PORT2
t_WHLH
t_LLWL
t_WLWH
t_AVLL
t_LLAX
A0 - A7 (RI or DPL)
t_QVWH
t_QVWX
DATA OUT
t_WHQX
t_AVWL
A8 - A15 of DPH or PORT2
A0 - A7 (PCL)
INSTR IN
A8 - A15 (PCH)
Figure 9 external memory write cycle
nstruction 0
ALE
CLOCK
TXD
RxD
1
2
3
4
5
6
7
8
t_XLXL
t_QVXH
t_XHQX
0
1
2
3
4
5
t_XHDV
t_XHDX
VALID VALID VALID VALID VALID VALID
Figure 10 UART waveform in Shift Register MODE
6
VALID
7
Set_R
VALID
Specifications subject to change without notice contact your sales representatives for the most recent information.
11
Ver 2.3 SM5964A 10/2006