LC87F06J2A

No.A0432-16/32

Serial I/O Characteristics at Ta = -20°C to +70°C, VSS1 = VSS2 = VSS3 = VSS4 = VSSVCO = 0V

1. SIO0 Serial I/O Characteristics (Note 4-1-1)

Specification

Parameter

Symbol

Pins/

Remarks

Conditions

VDD[V]

min

typ

max

unit

Frequency

tSCK(1)

2

Low level

pulse width

tSCKL(1)

1

tSCKH(1)

• See Fig. 6.

1

tSCKHA(1a)

• Continuous data

transmission/reception mode

• SIO2 is not in use

simultaneous.

• Universal remote control

transmitter is not in use

simultaneous.

• See Fig. 6.

• (Note 4-1-2)

4

High level

pulse width

tSCKHA(1b)

SCK0(P12)

• Continuous data

transmission/reception mode

• SIO2 is in use simultaneous.

• Universal remote control

transmitter is in use

simultaneous.

• See Fig. 6.

• (Note 4-1-2)

2.7 to 5.5

9

Frequency

tSCK(2)

4/3

tCYC

Low level

pulse idth

tSCKL(2)

1/2

tSCKH(2)

• CMOS output selected.

• See Fig. 6.

1/2

tSCK

tSCKHA(2a)

• Continuous data

transmission/reception mode

• SIO2 is not in use

simultaneous.

• Universal remote control

transmitter is not in use

simultaneous.

• CMOS output selected.

• See Fig. 6.e

tSCKH(2)

+2tCYC

tSCKH(2)

+(10/3)tCYC

High level

pulse idth

tSCKHA(2b)

SCK0(P12)

• Continuous data

transmission/reception mode

• SIO2 is in use simultaneous.

• Universal remote control

transmitter is in use

simultaneous.

• CMOS output selected.

• See Fig. 6.

2.7 to 5.5

tSCKH(2)

+2tCYC

tSCKH(2)

+(25/3)tCYC

tCYC

Data setup time

tsDI(1)

0.03

Data hold Time

thDI(1)

SI0(P11),

SB0(P11)

• Must be specified with respect

to rising edge of SIOCLK

• See fig. 6.

2.7 to 5.5

0.03

µs

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

Note 4-1-2: To use serial-clock-input in continuous trans/rec mode, a time from SI0RUN being set when serial clock is

"H" to the first negative edge of the serial clock must be longer than tSCKHA.

Continued on next page.