LC87F76C8A

No.A0858-16/24

2. SIO1 Serial I/O Characteristics (Note 4-2-1)

Specification

Parameter

Symbol

Pin/Remarks

Conditions

VDD[V]

min

typ

max

unit

Frequency

tSCK(3)

2

Low level

pulse width

tSCKL(3)

1

High level

pulse width

tSCKH(3)

SCK1(P15)

See Fig.6.

2.2 to 5.5

1

Frequency

tSCK(4)

2

tCYC

Low level

pulse width

tSCKL(4)

1/2

High level

pulse width

tSCKH(4)

SCK1(P15)

• CMOS output selected

• See Fig. 6.

2.2 to 5.5

1/2

tSCK

Data setup time

tsDI(2)

0.03

Data hold time

thDI(2)

SB1(P14),

SI1(P14)

• Must be specified with respect

to rising edge of SIOCLK.

• See Fig. 6.

2.2 to 5.5

0.03

Output delay

time

tdDO(4)

SO1(P13),

SB1(P14)

• 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.

2.2 to 5.5

(1/3)tCYC

+0.05

μs

Note 4-2-1: These specifications are theoretical values. Add margin depending on its use.

Pulse Input Conditions at Ta = -20°C to +85°C, VSS1 = VSS2 = VSS3 = 0V

Specification

Parameter

Symbol

Pin/Remarks

Conditions

VDD[V]

min

typ

max

unit

tPIH(1)

tPIL(1)

INT0(P70),

INT1(P71),

INT2(P72)

• Interrupt source flag can be set.

• Event inputs for timer 0 are

enabled.

2.2 to 5.5

1

tPIH(2)

tPIL(2)

INT3(P73) when

noise filter time

constant is 1/1

• Interrupt source flag can be set.

• Event inputs for timer 0 are

enabled.

2.2 to 5.5

2

tPIH(3)

tPIL(3)

INT3(P73) when

noise filter time

constant is 1/32

• Interrupt source flag can be set.

• Event inputs for timer 0 are

enabled.

2.2 to 5.5

64

tPIH(4)

tPIL(4)

INT3(P73) when

noise filter time

constant is 1/128

• Interrupt source flag can be set.

• Event inputs for timer 0 are

enabled.

2.2 to 5.5

256

tPIH(5)

tPIL(5)

MICIN(P87)

The pulses can be counted by the

small signal sensor/counter.

2.2 to 5.5

1

tCYC

tPIH(6)

tPIL(6)

RMIN(P73)

The pulses can be recognized as

signals by the infrared remote

control receiver circuit.

2.2 to 5.5

3

RMCK

(Note5-1)

High/low level

pulse width

tPIL(7)

RES

Resetting is enabled.

2.2 to 5.5

2000

μs

infrared remote control receiver circuit