16-Bit Microcontroller with Infrared Module

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RECOMMENDED OPERATING CONDITIONS (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

IRRX Input Filter Pulse-Width

Reject

50

ns

IRRX Input Filter Pulse-Width

Accept

300

ns

Output Low Voltage for IRTX

1.0

V

1.0

1.0

Output Low Voltage for RESET

and All Port Pins (Note 8)

0.4

0.5

V

0.4

0.5

0.4

0.5

Output High Voltage for IRTX

and All Port Pins

V

Input/Output Pin Capacitance

for All Port Pins

(Note 3)

15

pF

Input Leakage Current

Internal pullup disabled

-100

+100

nA

Input Pullup Resistor for

RESET, IRTX, IRRX, P0, P1, P2

16

28

39

k

W

17

30

41

EXTERNAL CRYSTAL/RESONATOR

Crystal/Resonator

DC

12

MHz

Crystal/Resonator Period

ns

Crystal/Resonator Warmup

Time

8192 x

ms

Oscillator Feedback Resistor

(Note 3)

0.5

1.0

1.5

M

W

EXTERNAL CLOCK INPUT

External Clock Frequency

DC

12

MHz

External Clock Period

ns

External Clock Duty Cycle

45

55

%

System Clock Frequency

MHz

HFXOUT = GND

System Clock Period

ns

NANOPOWER RING

Nanopower Ring Frequency

3.0

8.0

20.0

kHz

(Note 3)

1.7

2.4

Nanopower Ring Duty Cycle

(Note 3)

40

60

%

Nanopower Ring Current

40

400

nA

WAKE-UP TIMER

Wake-Up Timer Interval

65,535/

s

IR

Carrier Frequency

(Note 3)

Hz