TMP86CS44UG datasheet(52/172 Pages) TOSHIBA

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Page 42

3. Interrupt Control Circuit

3.8 External Interrupts

TMP86CS44UG

Note 1: In NORMAL1/2 or IDLE1/2 mode, if a signal with no noise is input on an external interrupt pin, it takes a maximum of "sig-

nal establishment time + 6/fs[s]" from the input signal's edge to set the interrupt latch.

Note 2: When INT0EN = "0", IL4 is not set even if a falling edge is detected on the INT0 pin input.

Note 3: When a pin with more than one function is used as an output and a change occurs in data or input/output status, an inter-

rupt request signal is generated in a pseudo manner. In this case, it is necessary to perform appropriate processing such

as disabling the interrupt enable flag.

Source

Enable Conditions

Release Edge (level)

Digital Noise Reject

INT0

IMF EF4 INT0EN=1

Falling edge

Pulses of less than 2/fc [s] are eliminated as

noise. Pulses of 7/fc [s] or more are considered

to be signals. In the SLOW or the SLEEP mode,

pulses of less than 1/fs [s] are eliminated as

noise. Pulses of 3.5/fs [s] or more are consid-

ered to be signals.

INT1

IMF EF5 = 1

Falling edge

Rising edge

Pulses of less than 15/fc or 63/fc [s] are elimi-

nated as noise. Pulses of 49/fc or 193/fc [s] or

more are considered to be signals. In the SLOW

or the SLEEP mode, pulses of less than 1/fs [s]

are eliminated as noise. Pulses of 3.5/fs [s] or

more are considered to be signals.

INT2

IMF EF8 = 1

Falling edge

Rising edge

Pulses of less than 7/fc [s] are eliminated as

noise. Pulses of 25/fc [s] or more are considered

to be signals. In the SLOW or the SLEEP mode,

pulses of less than 1/fs [s] are eliminated as

noise. Pulses of 3.5/fs [s] or more are consid-

ered to be signals.

INT3

IMF EF11 = 1

Falling edge

Rising edge

Pulses of less than 7/fc [s] are eliminated as

noise. Pulses of 25/fc [s] or more are considered

to be signals. In the SLOW or the SLEEP mode,

pulses of less than 1/fs [s] are eliminated as

noise. Pulses of 3.5/fs [s] or more are consid-

ered to be signals.

INT4

IMF EF14 = 1

and

IL14ER=0

Falling edge,

Rising edge,

Falling and Rising edge

H level

Pulses of less than 7/fc [s] are eliminated as

noise. Pulses of 25/fc [s] or more are considered

to be signals. In the SLOW or the SLEEP mode,

pulses of less than 1/fs [s] are eliminated as

noise. Pulses of 3.5/fs [s] or more are consid-

ered to be signals.

INT5

IMF EF15 = 1

and

IL15ER=0

Falling edge

Pulses of less than 2/fc [s] are eliminated as

noise. Pulses of 7/fc [s] or more are considered

to be signals. In the SLOW or the SLEEP mode,

pulses of less than 1/fs [s] are eliminated as

noise. Pulses of 3.5/fs [s] or more are consid-

ered to be signals.

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