LC87F14C8A Datasheet, PDF (18/26 Pages) Sanyo Semicon Device – CMOS IC FROM 128K byte, RAM 10K byte on-chip 8-bit 1-chip Microcontroller with USB-host controller

LC87F14C8A
4. SIO9 Serial I/O Characteristics (Note 4-4-1)
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(7)
tSCKL(7)
Pin/
Remarks
SCK9(P27)
Conditions
See Fig. 8.
VDD[V]
tSCKH(7)
tSCKHA(7a)
tSCKHA(7b)
tSCKHA(7c)
tSCK(8)
tSCKL(8)
SCK9(P27)
• USB, SIO4 nor continuous data
transmission/reception mode of
SIO0 are not in use simultaneous.
• See Fig. 8.
• (Note 4-4-2)
• USB is in use simultaneous.
• SIO4 nor continuous data
transmission/reception mode of
SIO0 are not in use simultaneous.
• See Fig. 8.
• (Note 4-4-2)
• USB, SIO4 and continuous data
transmission/reception mode of
SIO0 are in use simultaneous.
• See Fig. 8.
• (Note 4-4-2)
• CMOS output selected
• See Fig. 8.
2.7 to 5.5
min
2
1
1
4
7
13
4/3
tSCKH(8)
tSCKHA(8a)
tSCKHA(8b)
tSCKHA(8c)
tsDI(4)
thDI(4)
SO9(P25),
SI9(P26)
• USB, SIO4 nor continuous data
transmission/reception mode of
SIO0 are not in use simultaneous.
• CMOS output selected
• See Fig. 8.
• USB is in use simultaneous.
• SIO4 nor continuous data
transmission/reception mode of
SIO0 are not in use simultaneous.
• CMOS output selected
• See Fig. 8.
• USB, SIO4 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
tSCKH(8)
+(5/3)
tCYC
tSCKH(8)
+(5/3)
tCYC
tSCKH(8)
+(5/3)
tCYC
0.03
2.7 to 5.5
0.03
Specification
typ
max
unit
tCYC
1/2
tSCK
1/2
tSCKH(8)
+(10/3)
tCYC
tSCKH(8)
+(19/3)
tCYC
tCYC
tSCKH(8)
+(37/3)
tCYC
Output delay time tdD0(6)
SO9(P25), • Must be specified with respect
µs
SI9(P26)
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 4-4-1: These specifications are theoretical values. Add margin depending on its use.
Note 4-4-2: To use serial-clock-input in continuous trans/rec mode, a time from SI9RUN being set when serial clock
is “H” to the first negative edge of the serial clock must be longer than tSCKHA.
No.A0402-18/26