NEC uPD75P3116 User Manual

Page 37

Advertising
background image

µ

PD75P3116

37

Data Sheet U11369EJ3V0DS

AC Characteristics (T

A

= –40 to +85˚C, V

DD

= 1.8 to 5.5 V)

Parameter

Symbol

Test Conditions

MIN.

TYP.

MAX.

Unit

CPU clock cycle

t

CY

Operating on

V

DD

= 2.7 to 5.5 V

0.67

64

µs

time

Note 1

main system clock

V

DD

= 1.8 to 5.5 V

0.95

64

µs

(Min. instruction execution

Operating on subsystem clock

114

122

125

µs

time = 1 machine cycle)

TI0, TI1, TI2 input

f

TI

V

DD

= 2.7 to 5.5 V

0

1.0

MHz

frequency

V

DD

= 1.8 to 5.5 V

0

275

kHz

TI0, TI1, TI2 input

t

TIH

, t

TIL

V

DD

= 2.7 to 5.5 V

0.48

µs

high-/low-level width

V

DD

= 1.8 to 5.5 V

1.8

µs

Interrupt input high-/

t

INTH

, t

INTL

INT0

IM02 = 0

Note 2

µs

low-level width

IM02 = 1

10

µs

INT1, 2, 4

10

µs

KR0 to KR7

10

µs

RESET low-level width

t

RSL

10

µs

Notes 1.

The cycle time (minimum instruction

execution time) of the CPU clock

(

Φ) is determined by the oscillation

frequency of the connected

resonator (and external clock), the

system clock control register (SCC)

and the processor clock control

register (PCC). The figure on the

right indicates the cycle time t

CY

versus supply voltage V

DD

characteristics with the main system

clock operating.

2.

2t

CY

or 128/fx is set by setting the

interrupt mode register (IM0).

1

0

2

3

4

5

6

0.5

1

3

2

4

5

6

60

64

Supply voltage V

DD

[V]

t

CY

vs. V

DD

(Main system clock operation)

Cycle time t

CY

s]

Guaranteed operation
range

Advertising