HD404818 Datasheet, PDF (88/100 Pages) Hitachi Semiconductor – 16-digit LCD driver

HD404818 Series
OSC₁
V_CC – 0.5 V
0.5 V
1/f_CP
t_CPH
t_CPL
t_CPr
t_CPf
Figure 43 Oscillator Timing
INT₀, INT₁
0.8V_CC
0.2V_CC
t_IH
t_IL
Figure 44 Interrupt Timing
RESET
0.8V_CC
0.2V_CC
t_RSTH
t_RSTf
Figure 45 Reset Timing
SCK
t _SCKf
V_CC – 2.0 V (0.8V_CC )*
0.8 V (0.2V_CC)*
SO
t _Scyc
t _SCKL
t _SCKr
t _DSO
t _SCKH
V_CC – 2.0 V
0.8 V
SI
t _SSI
t _HSI
0.8V _CC
0.2V_CC
Note: * V_CC– 2.0 V and 0.8 V are the threshold voltages for transmit clock output.
0.8V_CC and 0.2V_CC are the threshold voltages for transmit clock input.
Figure 46 Serial Interface Timing
After 8 pulses
are input
t _SCKHD
86