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TMP89FS60 Datasheet(PDF) 77 Page - Toshiba Semiconductor

Part # TMP89FS60
Description  8 Bit Microcontroller
PDF  410 Pages
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Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMP89FS60 Datasheet(HTML) 77 Page - Toshiba Semiconductor

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Page 63
TMP89FS60
RA000
4. External Interrupt control circuit
External interrupts detects the change of the input signal and generates an interrupt request. Noise can be removed
by the built-in digital noise canceller.
4.1
Configuration
The external interrupt control circuit consists of a noise canceller, an edge detection circuit, a level detection cir-
cuit and an interrupt signal generation circuit.
Externally input signals are input to the rising edge or falling edge or level detection circuit for each external inter-
rupt, after noise is removed by the noise canceller.
Figure 4-1 External Interrupts 0/5
Figure 4-2 External Interrupts 1/2/3
Figure 4-3 External Interrupt 4
Noise canceller
INTj pin
fs/4
fcgck
INTj interr
request
j=0,5
Falling edge
detection circuit
Interrupt request signal
generation circuit
Noise canceller
3 4
2
1
fcgck
fs/4
INTi pin
INTiLVL
INTiES
INTi interrupt
request
i=1 to 3
AB C D S
Z
Rising edge
detection circuit
Interrupt request
signal generation
circuit
Falling edge
detection circuit
EINTCRi
Noise canceller
3 4
2
1
fcgck
INT4 pin
INT4LVL
INT4ES
INT4 interrupt
request
AB C D S
Z
Rising edge
detection circuit
Interrupt request
signal generation
circuit
Level detection
circuit
Falling edge
detection circuit
EINTCR4
fs



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