LC87FBH08A_16 Datasheet, PDF (20/32 Pages) ON Semiconductor – 8-bit Microcontroller

LC87FBH08A
SIO1 Serial I/O Characteristics at Ta = 40C to +85C, VSS1 = VSS2 = 0V (Note 4-2-1)
Parameter
Frequency
Symbol
tSCK(3)
Pin/
Remarks
SCK1(P15)
Conditions
 See Fig. 5.
VDD[V]
min
2
Low level
pulse width
tSCKL(3)
1.8 to 5.5
1
High level
tSCKH(3)
1
pulse width
Frequency
Low level
pulse width
tSCK(4)
tSCKL(4)
SCK1(P15)
 CMOS output selected
 See Fig. 5.
2
1.8 to 5.5
High level
tSCKH(4)
pulse width
Data setup time
tsDI(2)
SI1(P14),
 Must be specified with
(1/3)tCYC
Data hold time
thDI(2)
SB1(P14)
respect to rising edge of
SIOCLK.
 See Fig. 5.
1.8 to 5.5
+0.01
0.01
Output delay time tdD0(4)
SO1(P13),  Must be specified with respect to
SB1(P14)
falling edge of SIOCLK.
 Must be specified as the time to
the beginning of output state
1.8 to 5.5
change in open drain output
mode.
 See Fig. 5.
Note 4-2-1: These specifications are theoretical values. Add margin depending on its use.
Specification
typ
max
1/2
1/2
(1/2)tCYC
+0.05
unit
tCYC
tSCK
s
Pulse Input Conditions at Ta = 40C to +85C, VSS1 = VSS2 = 0V
Parameter
High/low level
pulse width
Symbol
Pin/Remarks
Conditions
tPIH(1)
tPIL(1)
tPIH(2)
tPIL(2)
tPIH(3)
tPIL(3)
tPIH(4)
tPIL(4)
tPIL(5)
INT0(P70),
INT1(P71),
INT2(P72),
INT4(P20 to P21)
INT5(P30 to P31)
INT3(P73) when noise
filter time constant is
1/1
INT3(P73) when noise
filter time constant is
1/32
INT3(P73) when noise
filter time constant is
1/128
RES
 Interrupt source flag can be set.
 Event inputs for timer 0 or 1 are
enabled.
 Interrupt source flag can be set.
 Event inputs for timer 0 are
enabled.
 Interrupt source flag can be set.
 Event inputs for timer 0 are
nabled.
 Interrupt source flag can be set.
 Event inputs for timer 0 are
enabled.
 Resetting is enabled.
Specification
VDD[V]
min
typ
max
unit
1.8 to 5.5
1
1.8 to 5.5
2
1.8 to 5.5
64
1.8 to 5.5
256
1.8 to 5.5
200
tCYC
s
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