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LC87F1D64A Datasheet, PDF (19/29 Pages) Sanyo Semicon Device – CMOS IC FROM 64K byte, RAM 4K byte on-chip 8-bit 1-chip Microcontroller with Full-Speed USB | |||
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LC87F1D64A
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.
tSCKH(5)
tSCKHA(5a)
tSCKHA(5b)
tSCKHA(5c)
tSCK(6)
tSCKL(6)
SCK4(P24)
⢠USB 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.
⢠Continuous data transmission/
reception mode of SIO0 is not
in use simultaneous.
⢠See Fig.8.
⢠(Note 4-3-2)
⢠USB 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.
tSCKH(6)
tSCKHA(6a)
tSCKHA(6b)
tSCKHA(6c)
tsDI(3)
thDI(3)
SO4(P22),
SI4(P23)
⢠USB nor continuous data
transmission/reception mode
of SIO0 are not in use
simultaneous.
⢠CMOS output selected
⢠See Fig.8.
⢠USB is in use simultaneous.
⢠Continuous data transmission/
reception mode of SIO0 is not
in use simultaneous.
⢠CMOS output selected
⢠See Fig.8.
⢠USB 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.
VDD[V]
2.7 to 5.5
2.7 to 5.5
2.7 to 5.5
2.7 to 5.5
min
2
1
1
4
7
10
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)
+(28/3)
tCYC
unit
tCYC
tSCK
tCYC
μs
Output delay time tdD0(5)
SO4(P22), ⢠Must be specified with respect
SI4(P23)
to rising edge of SIOCLK.
⢠Must be specified as the time
to the beginning of output
state change in open drain
2.7 to 5.5
(1/3)tCYC
μs
+0.05
output 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.A1220-19/29
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