LC87F2C64A Datasheet, PDF (18/28 Pages) Sanyo Semicon Device – 8-bit 1-chip Microcontroller

LC87F2C64A
2. SIO1 Serial I/O Characteristics (Note 4-2-1)
Parameter
Symbol
Pin/Remarks
Conditions
VDD[V]
min
Frequency
tSCK(3)
SCK1(P15)
• See Fig. 6.
2.4 to 5.5
2
Low level
tSCKL(3)
1
pulse width
High level
tSCKH(3)
1
pulse width
Frequency
tSCK(4)
SCK1(P15)
• CMOS output
2.4 to 5.5
2
Low level
pulse width
tSCKL(4)
selected
• See Fig. 6.
High level
pulse width
tSCKH(4)
Data setup time
Data hold time
tsDI(2)
thDI(2)
SB1(P14),
SI1(P14)
• Must be specified 2.4 to 5.5
0.03
with respect to
rising edge of
SIOCLK.
0.03
• See Fig. 6.
Output delay time
tdD0(4)
SO1(P13),
SB1(P14)
• Must be specified
with respect to
2.4 to 5.5
falling edge of
SIOCLK.
• Must be specified
as the time to the
beginning of
output state
change in open
drain output mode.
• See Fig. 6.
Note 4-2-1: These specifications are theoretical values. Add margin depending on its use.
Specification
typ
max
1/2
1/2
(1/3)tCYC
+0.05
unit
tCYC
tSCK
μs
Pulse Input Conditions at Ta=-30 to +70°C, VSS1=VSS2=VSS3=0V
Parameter
Symbol
High/low level
pulse width
tPIH(1)
tPIL(1)
tPIH(2)
tPIL(2)
tPIH(3)
tPIL(3)
tPIH(4)
tPIL(4)
tPIH(5)
tPIL(5)
tPIL(6)
Pin/Remarks
INT0(P70)
INT1(P71)
INT2(P72)
INT3(P73)
INT4(P20 to P23)
INT5(P24 to P27)
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
NKIN(P72)
RES
Conditions
• 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
enabled.
• Interrupt source flag can be set.
• Event inputs for timer 0 are
enabled.
• High speed clock counter
countable
• External reset input mode
• Resetting is enabled
Specification
VDD[V]
min
typ
max
unit
2.4 to 5.5
1
2.4 to 5.5
2
2.4 to 5.5
64
2.4 to 5.5
256
2.4 to 5.5
1/12
2.4 to 5.5
200
tCYC
μs
No.A1935-18/28