LC87F7932B Datasheet, PDF (20/29 Pages) Sanyo Semicon Device – 32K-byte FROM and 2048-byte RAM integrated 8-bit 1-chip Microcontroller

LC87F7932B
2. SIO1 Serial I/O Characteristics (Note 4-2-1)
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(3)
tSCKL(3)
Pin/Remarks
SCK1(P15)
Conditions
See Fig. 6.
tSCKH(3)
VDD[V]
2.4 to 3.6
tSCK(4)
tSCKL(4)
SCK1(P15)
tSCKH(4)
• CMOS output selected
• See Fig. 6.
2.4 to 3.6
tsDI(2)
thDI(2)
SB1(P14),
SI1(P14)
• Must be specified with
respect to rising edge of
SIOCLK.
• See Fig. 6.
2.4 to 3.6
2.4 to 3.6
min
2
1
Specification
typ
max
1
2
1/2
1/2
0.03
0.03
unit
tCYC
tSCK
Output delay time tdD0(4)
SO1(P13),
• Must be specified with
SB1(P14)
respect to falling edge of
SIOCLK.
• Must be specified as the
time to the beginning of
2.4 to 3.6
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.
μs
(1/3)tCYC
+0.05
Pulse Input Conditions at Ta = -40°C to +85°C, VSS1 = VSS2 = 0V
Parameter
High/low level
pulse width
Symbol
tPIH(1)
tPIL(1)
tPIH(2)
tPIL(2)
tPIH(3)
tPIL(3)
tPIH(4)
tPIL(4)
tPIL(5)
Pin/Remarks
INT0(P70),
INT1(P71),
INT2(P72)
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
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.
Resetting is enabled.
VDD[V]
2.4 to 3.6
2.4 to 3.6
2.4 to 3.6
2.4 to 3.6
2.4 to 3.6
min
1
2
64
256
200
Specification
typ
max
unit
tCYC
μs
No.A1841-20/29