LC87F5ND0C Datasheet, PDF (17/25 Pages) Sanyo Semicon Device – 8-bit 1-chip Microcontroller

LC87F5ND0C
3. SIO2 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)
tSCKH(5)
tSCKHA(5a)
tSCKHA(5b)
tSCK(6)
tSCKL(6)
tSCKH(6)
tSCKHA(6a)
tSCKHA(6b)
tsDI(3)
thDI(3)
Pins/
Remarks
SCK2
(SI2P2)
SCK2
(SI2P2),
SCK2O
(SI2P3)
SI2(SI2P1),
SB2(SI2P1)
Conditions
• See Fig. 6.
• Continuous data transmission/
reception mode of SIO0 is not in
use simultaneous.
• See Fig. 6.
• (Note 4-3-2)
• Continuous data transmission/
reception mode of SIO0 is in use
simultaneous.
• See Fig. 6.
• (Note 4-3-2)
• CMOS output selected.
• See Fig. 6.
• Continuous data transmission/
reception mode of SIO0 is not in
use simultaneous.
• CMOS output selected.
• See Fig. 6.
• Continuous data transmission/
reception mode of SIO0 is in use
simultaneous.
• CMOS output selected.
• See Fig. 6.
• Must be specified with respect to
rising edge of SIOCLK
• See fig. 6.
Specification
VDD[V]
min.
typ
max.
unit
2
1
1
2.2 to 5.5
4
tCYC
7
4/3
1/2
1/2
tSCK
2.2 to 5.5
tSCKH(6)
+(5/3)tCYC
tSCKH(6)
+(5/3)tCYC
tSCKH(6)
+(10/3)tCYC
tCYC
tSCKH(6)
+(19/3)tCYC
0.03
2.2 to 5.5
0.03
μs
Output delay
tdD0(5)
SO2
• Must be specified with respect to
time
(SI2P0),
falling edge of SIOCLK
SB2(SI2P1)
• Must be specified as the time to
the beginning of output state
2.2 to 5.5
(1/3)tCYC
+0.05
change in open drain output mode.
• See Fig. 6.
Note 4-3-1: These specifications are theoretical values. Add margin depending on its use.
Note 4-3-2: To use serial-clock-input , a time from SI2RUN being set when serial clock is "H" to the first negative edge
of the serial clock must be longer than tSCKHA.
No.A1380-17/25