tmp88ps42ng TOSHIBA Semiconductor CORPORATION, tmp88ps42ng Datasheet - Page 45
tmp88ps42ng
Manufacturer Part Number
tmp88ps42ng
Description
8 Bit Microcontroller Tlcs-870/x Series
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TMP88PS42NG.pdf
(226 pages)
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3.5 External Interrupts
Source
INT0
INT1
INT2
INT3
INT4
INT5
(Pulse inputs of less than a certain time are eliminated as noise).
rupt input pin or an input/output port, and is configured as an input port during reset.
rupt control register (EINTCR).
The TMP88PS42NG has 6 external interrupt inputs. These inputs are equipped with digital noise reject circuits
Edge selection is also possible with INT1 to INT4. The
Edge selection, and noise reject control and
Note 1: In NORMAL or IDLE mode, if a signal with no noise is input on an external interrupt pin, it takes a maximum of "signal
Note 2: When EINTCR<INT0EN> = "0", IL3 is not set even if a falling edge is detected on the
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-
establishment time" from the input signal's edge to set the interrupt latch.
(1) INT1 pin
(2) INT2 to INT4 pins
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.
INT1
INT2
INT3
INT4
INT0
INT5
Pin
P20/
P12/TC1
P21/TC3
P22/TC4
Sub-Pin
P10
P11
STOP
49/fc [s] ( at EINTCR<INT1NC> = "1") , 193/fc [s] ( at EINTCR<INT1NC> = "0")
25/fc [s]
IMF + EF3 + INT0EN=1
IMF + EF5 = 1
IMF + EF29 = 1
IMF + EF30 = 1
IMF + EF31 = 1
IMF + EF15 = 1
Enable Conditions
INT0
Page 35
/P10 pin function selection are performed by the external inter-
Falling edge
Falling edge
or
Rising edge
Falling edge
Release Edge (level)
INT0
/P10 pin can be configured as either an external inter-
Pulses of less than 2/fc [s] are eliminated as
noise. Pulses of 6/fc [s] or more are considered
to be signals. (at CGCR<DV1CK>=0).
Pulses of less than 15/fc or 63/fc [s] are elimi-
nated as noise. Pulses of 48/fc or 192/fc [s] or
more are considered to be signals.
(at CGCR<DV1CK>=0).
Pulses of less than 7/fc [s] are eliminated as
noise. Pulses of 24/fc [s] or more are considered
to be signals.(at CGCR<DV1CK>=0).
Pulses of less than 2/fc [s] are eliminated as
noise. Pulses of 6/fc [s] or more are considered
to be signals.
INT0
Digital Noise Reject
pin input.
TMP88PS42NG
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