LC87F57C8A Datasheet, PDF (17/28 Pages) Sanyo Semicon Device – 8 BIT SINGLE CHIP MICROCONTROLLER

LC87F57C8A
4. Serial input/output characteristics
/ Ta=-20°C to +70°C, VSS1=VSS2=VSS3=0V
Parameter
Cycle
Symbol
tSCK(1)
Pins
SCK0(P12)
Conditions
Refer to figure 6
Limits
VDD[V] min. typ.
2.5 - 5.5 2
max. unit
tCYC
Low level tSCKL(1)
1
pulse width
tSCKLA(1)
1
High level tSCKH(1)
pulse width
tSCKHA(1)
1
3(SIO0)
Cycle
tSCK(2) SCK1(P15) Refer to figure 6
2.5 - 5.5 2
Low level tSCKL(2)
1
pulse width
High level tSCKH(2)
1
pulse width
Cycle
tSCK(3) SCK0(P12), • CMOS output
2.5 - 5.5 4/3
• Refer to figure 6
Low level tSCKL(3)
pulse width
tSCKLA(2)
SCK0(P12)
SIO0
High level tSCKH(3)
pulse width
tSCKHA(2)
SCK0(P12)
SIO0
Cycle
tSCK(4) SCK1(P15) • CMOS output
2.5 - 5.5 2
• Refer to figure 6
Low level tSCKL(4)
pulse width
High level tSCKH(4)
pulse width
Data set-up tsDI
SB0(P11), • Data set-up to
2.5 - 5.5 0.03
time
SB1(P14),
SI0CLK
SI0
• Data hold from
Data hold time thDI
SI1
SI0CLK
0.03
• Refer to figure 6
Output delay tdD0
SO0(P10), • Data hold from
2.5 - 5.5
time
SO1(P13),
SI0CLK
SB0(P11), • Time delay from
SB1(P14), SI0CLK trailing edge
to the SO data change
in the open drain
• Refer to figure 6
1/2
tSCK
3/4
1/2
2
tCYC
1/2
tSCK
1/2
µs
1/3tCYC
+0.05
Ver.1.00
17/27