LC87F1HC4A Datasheet, PDF (26/27 Pages) Sanyo Semicon Device – CMOS IC 128K-byte FROM and 12288-byte RAM integrated 8-bit 1-chip Microcontroller with USB-host controller

LC87F1HC4A
VDD
RRES
Note:
Determine the value of CRES and RRES so
that the reset signal is present for a period of
RES
200µs after the supply voltage goes beyond the
CRES
lower limit of the IC's operating voltage.
Figure 8 Reset Circuit
SIOCLK:
DATAIN:
DATAOUT:
SIOCLK:
DATAIN:
DATAOUT:
SIOCLK:
DATAIN:
DATAOUT:
DI0 DI1
DI2
DI3
DI4
DI5
DI6
DI7
DI8
DO0
DO1
DO2 DO3 DO4 DO5
tSCKL
tSCK
tSCKH
DO6
DO7
DO8
Data RAM transfer
period (SIO0, 4, 9 only)
tsDI
thDI
tdDO
tSCKL
tsDI
tdDO
Data RAM transfer
period (SIO0, 4, 9 only)
tSCKHA
thDI
Figure 9 Serial Input/Output Waveform
No.A0955-26/27