LC87F14C8A Datasheet, PDF (17/26 Pages) Sanyo Semicon Device – CMOS IC FROM 128K byte, RAM 10K byte on-chip 8-bit 1-chip Microcontroller with USB-host controller

LC87F14C8A
3. SIO4 Serial I/O Characteristics (Note 4-3-1)
Parameter
Frequency
Low level
pulse width
High level
pulse width
Frequency
Low level
pulse width
High level
pulse width
Data setup time
Data hold time
Symbol
tSCK(5)
tSCKL(5)
Pin/
Remarks
SCK4(P24)
Conditions
See Fig. 8.
VDD[V]
tSCKH(5)
tSCKHA(5a)
tSCKHA(5b)
tSCKHA(5c)
tSCK(6)
tSCKL(6)
SCK4(P24)
• USB, SIO9 nor continuous data
transmission/reception mode of
SIO0 are not in use simultaneous.
• See Fig. 8.
• (Note 4-3-2)
• USB is in use simultaneous.
• SIO9 nor continuous data
transmission/reception mode of
SIO0 are not in use simultaneous.
• See Fig. 8.
• (Note 4-3-2)
• USB, SIO9 and continuous data
transmission/reception mode of
SIO0 are in use simultaneous.
• See Fig. 8.
• (Note 4-3-2)
• CMOS output selected
• See Fig. 8.
2.7 to 5.5
tSCKH(6)
tSCKHA(6a)
tSCKHA(6b)
tSCKHA(6c)
tsDI(3)
thDI(3)
SO4(P22),
SI4(P23)
• USB, SIO9 nor continuous data
transmission/reception mode of
SIO0 are not in use simultaneous.
• CMOS output selected
• See Fig. 8.
• USB is in use simultaneous.
• SIO9 nor continuous data
transmission/reception mode of
SIO0 are not in use simultaneous.
• CMOS output selected
• See Fig. 8.
• USB, SIO9 and continuous data
transmission/reception mode of
SIO0 are in use simultaneous.
• CMOS output selected
• See Fig. 8.
• Must be specified with respect
to rising edge of SIOCLK.
• See Fig. 8.
2.7 to 5.5
2.7 to 5.5
2.7 to 5.5
min
2
1
1
4
7
12
4/3
tSCKH(6)
+(5/3)
tCYC
tSCKH(6)
+(5/3)
tCYC
tSCKH(6)
+(5/3)
tCYC
0.03
0.03
Specification
typ
max
1/2
1/2
tSCKH(6)
+(10/3)
tCYC
tSCKH(6)
+(19/3)
tCYC
tSCKH(6)
+(34/3)
tCYC
unit
tCYC
tSCK
tCYC
Output delay time tdD0(5)
SO4(P22), • Must be specified with respect
µs
SI4(P23)
to rising edge of SIOCLK.
• Must be specified as the time to
the beginning of output state
change in open drain output
2.7 to 5.5
(1/3)tCYC
+0.05
mode.
• See Fig. 8.
Note 4-3-1: These specifications are theoretical values. Add margin depending on its use.
Note 4-3-2: To use serial-clock-input in continuous trans/rec mode, a time from SI4RUN being set when serial clock
is “H” to the first negative edge of the serial clock must be longer than tSCKHA.
No.A0402-17/26