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LC87F2R04A
Serial I/O Characteristics at Ta = -40°C to +85°C, VSS1 = 0V (Note 4)
Input clock
Symbol
Frequency
tSCK(3)
Low level
tSCKL(3)
Specification
Pin/
Conditions
Remarks
SCK1(P15)
VDD[V]
See Fig. 5.
2.2 to 5.5
pulse width
High level
tSCK(4)
SCK1(P15)
• CMOS output selected
tSCKL(4)
2
1/2
tSCK
tSCKH(4)
1/2
pulse width
Serial input
Data setup time
tsDI(2)
SB1(P14),
SI1(P14)
• Must be specified with respect
(1/3)tCYC
to rising edge of SIOCLK.
• See Fig. 5.
Data hold time
unit
1
2.2 to 5.5
pulse width
High level
max
1
• See Fig. 5.
Low level
typ
tCYC
tSCKH(3)
Frequency
min
2
pulse width
Output clock
Serial clock
Parameter
thDI(2)
+0.01
2.2 to 5.5
0.01
Output delay time
tdD0(4)
SO1(P13),
Serial output
SB1(P14)
μs
• Must be specified with respect
to falling edge of SIOCLK.
• Must be specified as the time
to the beginning of output state
(1/2)tCYC
2.2 to 5.5
+0.05
change in open drain output
mode.
• See Fig. 5.
Note 4: These specifications are theoretical values. Add margin depending on its use.
Pulse Input Conditions at Ta = -40°C to +85°C, VSS1 = 0V
Specification
Parameter
Symbol
Pin/Remarks
Conditions
VDD[V]
High/low level
tPIH(1)
INT0(P70),
• Interrupt source flag can be set.
pulse width
tPIL(1)
INT1(P17),
• Event inputs for timer 0 or 1 are
INT2(P16),
enabled.
min
typ
2.2 to 5.5
1
2.2 to 5.5
2
max
unit
INT4(P20 to P21),
tPIH(2)
INT3(P15) when noise
• Interrupt source flag can be set.
tPIL(2)
filter time constant is
• Event inputs for timer 0 are
1/1
enabled.
tPIH(3)
INT3(P15) when noise
• Interrupt source flag can be set.
tPIL(3)
filter time constant is
• Event inputs for timer 0 are
1/32
INT3(P15) when noise
• Interrupt source flag can be set.
tPIL(4)
filter time constant is
• Event inputs for timer 0 are
tPIL(5)
RES
2.2 to 5.5
64
2.2 to 5.5
256
2.2 to 5.5
200
enabled.
tPIH(4)
1/128
tCYC
enabled.
• Resetting is enabled.
μs
No.A1622-15/25