LC877264A Datasheet, PDF (16/24 Pages) Sanyo Semicon Device – 8-Bit Single Chip Microcontroller with 64/56/48 KB ROM and 2048-Byte RAM On Chip

LC877264A/56A/48A
4. Serial Input / Output Characteristics at Ta=-30°C to +70°C, VSS1=VSS2=VSS3=0V
Parameter
Cycle time
Symbol
tSCK(1)
Pins
Conditions
SCK0(P12) Refer to figure 6
VDD[V]
2.5-6.0
Ratings
unit
min. typ. max.
4/3
tCYC
Low level tSCKL(1)
2/3
pulse width
tSCKLA(1)
2/3
High level tSCKH(1)
2/3
pulse width
tSCKHA(1)
3
Cycle time tSCK(2) SCK1(P15) Refer to figure 6
2.5-6.0 2
Low level
pulse width
High level
pulse width
Cycle time
Low level
pulse width
tSCKL(2)
tSCKH(2)
tSCK(3)
tSCKL(3)
SCK0(P12) •CMOS output
•Refer to figure 6
tSCKLA(2)
1
1
2.5-6.0 4/3
1/2
3/4
tSCK
High level tSCKH(3)
1/2
pulse width
tSCKHA(2)
2
Cycle time tSCK(4)
Low level
pulse width
High level
pulse width
Data set-up time
tSCKL(4)
tSCKH(4)
tsDI
Data hold time thDI
SCK1(P15) •CMOS output
•Refer to figure 6
SI0(P10),
SI1(P13),
SB0(P11),
SB1(P14)
•Measured with respect
to SI0CLK leading
edge.
•Refer to figure 6
Output delay tdDO
time
SO0(P12),
SO1(P15),
SB0(011),
SB1(P14)
•When Port is open
drain:
Time delay form
SIOCLK trailing edge
to the SO data change
•Refer to figure 6
2.5-6.0 2
4.5–6.0 0.03
2.5-6.0 0.1
4.5–6.0 0.03
2.5-6.0 0.1
4.5–6.0
2.5-6.0
tCYC
1/2
tSCK
1/2
µs
1/3
tCYC
+0.05
1/3
tCYC
+0.25
No.6719-16/24