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LC87F2J32A Datasheet, PDF (17/30 Pages) Sanyo Semicon Device – 8-bit 1-chip Microcontroller
LC87F2J32A
Serial Input/Output Characteristics at Ta = -40°C to +85°C, VSS1 = VSS2 = VSS3 = 0V
1. SIO0 Serial I/O Characteristics (Note 4-1-1)
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(1)
tSCKL(1)
tSCKH(1)
tSCK(2)
tSCKL(2)
tSCKH(2)
tsDI(1)
thDI(1)
Pin/Remarks
Conditions
SCK0(P12)
• See Fig. 6.
SCK0(P12)
• CMOS output selected
• See Fig. 6
SB0(P11),
SI0(P11)
• Must be specified with
respect to rising edge of
SIOCLK.
• See Fig. 6.
VDD[V]
1.8 to 5.5
1.8 to 5.5
1.8 to 5.5
min
2
1
1
Specification
typ
max
4/3
1/2
1/2
0.05
0.05
unit
tCYC
tSCK
Output delay
time
tdD0(1)
tdD0(2)
tdD0(3)
SO0(P10),
SB0(P11)
• Continuous data
transmission/reception mode
(Note 4-1-2)
• Synchronous 8-bit mode
(Note 4-1-2)
(Note 4-1-2)
1.8 to 5.5
(1/3)tCYC
+0.08
μs
1tCYC
+0.08
(1/3)tCYC
+0.08
Note 4-1-1: These specifications are theoretical values. Add margin depending on its use.
Note 4-1-2: Must be specified with respect to 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.
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)
tSCKH(3)
tSCK(4)
tSCKL(4)
tSCKH(4)
tsDI(2)
thDI(2)
Pin/Remarks
Conditions
SCK1(P15)
• See Fig. 6.
SCK1(P15)
• CMOS output selected
• See Fig. 6.
SB1(P14),
SI1(P14)
• Must be specified with
respect to rising edge of
SIOCLK.
• See Fig. 6.
VDD[V]
1.8 to 5.5
1.8 to 5.5
1.8 to 5.5
min
2
1
Specification
typ
max
1
2
1/2
1/2
0.05
0.05
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
1.8 to 5.5
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
+0.08
No.A1384-17/30