LC87F5LP6A

No.A0664-19/28

3. SIO2 Serial I/O Characteristics (Note 4-3-1)

Specification

Parameter

Symbol

Pins/

Remarks

Conditions

VDD[V]

min.

typ

max.

unit

Frequency

tSCK(5)

2

Low level

pulse width

tSCKL(5)

1

tSCKH(5)

• See Fig. 6.

1

tSCKHA(5a)

• Continuous data transmission/

reception mode of SIO0 is not in

use simultaneous.

• See Fig. 6.

• (Note 4-3-2)

4

High level

pulse width

tSCKHA(5b)

SCK2

(SI2P2)

• Continuous data transmission/

reception mode of SIO0 is in use

simultaneous.

• See Fig. 6.

• (Note 4-3-2)

2.5 to 5.5

7

Frequency

tSCK(6)

4/3

tCYC

Low level

pulse width

tSCKL(6)

1/2

tSCKH(6)

• CMOS output selected.

• See Fig. 6.

1/2

tSCK

tSCKHA(6a)

• Continuous data transmission/

reception mode of SIO0 is not in

use simultaneous.

• CMOS output selected.

• See Fig. 6.

tSCKH(6)

+(5/3)tCYC

tSCKH(6)

+(10/3)tCYC

High level

pulse width

tSCKHA(6b)

SCK2

(SI2P2),

SCK2O

(SI2P3)

• Continuous data transmission/

reception mode of SIO0 is in use

simultaneous.

• CMOS output selected.

• See Fig. 6.

2.5 to 5.5

tSCKH(6)

+(5/3)tCYC

tSCKH(6)

+(19/3)tCYC

tCYC

Data setup time

tsDI(3)

0.03

Data hold time

thDI(3)

SI2(SI2P1),

SB2(SI2P1)

• Must be specified with respect to

rising edge of SIOCLK

• See fig. 6.

2.5 to 5.5

0.03

Output delay

time

tdD0(5)

SO2

(SI2P0),

SB2(SI2P1)

• 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.

2.5 to 5.5

(1/3)tCYC

+0.05

µs

Note 4-3-1: These specifications are theoretical values. Add margin depending on its use.

Note 4-3-2: To use serial-clock-input , a time from SI2RUN being set when serial clock is "H" to the first negative edge

of the serial clock must be longer than tSCKHA.