LC87F1M16A Datasheet, PDF (19/32 Pages) Sanyo Semicon Device – 8-bit 1-chip Microcontroller with Full-Speed USB

LC87F1M16A
Serial I/O Characteristics at Ta = -40°C to +85°C, VSS1 = VSS2 = VSS3 = 0V
1. SIO0 Serial I/O Characteristics (Note 4-1-1)
Parameter
Frequency
Symbol
tSCK(1)
Pin/
Remarks
SCK0(P12)
Conditions
See Fig. 8.
Specification
VDD[V]
min
typ
max
unit
2
Low level
tSCKL(1)
1
pulse width
High level
tSCKH(1)
1
pulse width
tSCKHA(1a)
• Continuous data transmission/
reception mode
• USB nor SIO4 are not in use
4
simultaneous.
• See Fig. 8.
tSCKHA(1b)
• (Note 4-1-2)
• Continuous data transmission/
reception mode
2.7 to 5.5
tCYC
• USB is in use simultaneous
7
• SIO4 is not in use simultaneous.
• See Fig. 8.
• (Note 4-1-2)
tSCKHA(1c)
• Continuous data transmission/
reception mode
• USB and SIO4 are in use
9
simultaneous.
• See Fig. 8.
• (Note 4-1-2)
Frequency
tSCK(2)
SCK0(P12) • CMOS output selected
4/3
• See Fig. 8.
Low level
pulse width
High level
pulse width
tSCKL(2)
tSCKH(2)
1/2
tSCK
1/2
tSCKHA(2a)
• Continuous data transmission/
reception mode
• USB nor SIO4 are not in use
simultaneous.
• CMOS output selected
tSCKH(2)
+2tCYC
tSCKH(2)
+(10/3)
tCYC
tSCKHA(2b)
• See Fig. 8.
• Continuous data transmission/
2.7 to 5.5
reception mode
• USB is in use simultaneous
• SIO4 is not in use simultaneous.
• CMOS output selected
tSCKH(2)
+2tCYC
tSCKH(2)
+(19/3)
tCYC
tCYC
• See Fig. 8.
tSCKHA(2c)
• Continuous data transmission/
reception mode
• USB and SIO4 are in use
tSCKH(2)
simultaneous.
+2tCYC
• CMOS output selected
• See Fig. 8.
Note 4-1-1: These specifications are theoretical values. Add margin depending on its use.
tSCKH(2)
+(25/3)
tCYC
Note 4-1-2: To use serial-clock-input in continuous trans/rec mode, a time from SI0RUN 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.A1909-19/32