LC87F1A32A Datasheet, PDF (17/26 Pages) Sanyo Semicon Device – CMOS IC FROM 32K byte, RAM 2048K byte on-chip 8-bit 1-chip Microcontroller with Full-Speed USB

LC87F1A32A
3. SIO4 Serial I/O Characteristics (Note 4-3-1)
Parameter
Frequency
Symbol
tSCK(5)
Pin/
Remarks
SCK4(P24)
Conditions
See Fig.8.
Low level
pulse width
High level
pulse width
Frequency
Low level
pulse width
High level
pulse width
Data setup time
Data hold time
tSCKL(5)
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.
• Do not use SIO0 continuous
data transmission mode at the
same time.
• 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, AIF nor continuous data
transmission/reception mode
of SIO0 are not in use
simultaneous.
• CMOS output selected
• See Fig.8.
• USB is in use simultaneous.
• Do not use SIO0 continuous
data transmission mode at the
same time.
• CMOS output selected
• See Fig8.
• 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
unit
tCYC
1/2
tSCK
1/2
tSCKH(6)
+(10/3)
tCYC
tSCKH(6)
+(19/3)
tCYC
tCYC
tSCKH(6)
+(28/3)
tCYC
s
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.
Continued on next page.
No.A0704-17/26