7480 Datasheet, PDF (25/98 Pages) Bi technologies – 7/8 Diameter 5-Turn Wirewound Precision Potentiometer

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MITSUBISHI MICROCOMPUTERS
7480/7481 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
P30/INT0
“1”
“0”
INT0 edge selection bit
Programmable one-shot
output mode
PWM mode
Output level latch
“001”
“100”
“101”
“110”
Timer X
operating mode bits
P40 direction
register
P40
latch
Programmable one-shot
output circuit
PWM generating circuit
CNTR0 edge
selection bit
“1”
PWM mode ^{“0”}
Programmable waveform
generation mode
Programmable
one-shot
output mode Data bus
INT0 interrupt
request
DQ
T
Pulse output
mode
S
Q
CNTR0 edge
selection bit
“0”
TQ
“1” Pulse output mode
Timer X (low-order) latch Timer X (high-order) latch
Timer X (low-order)
Timer X (high-order)
Timer X
interrupt request
Pulse width measurement mode
Pulse cycle measurement mode
P40/CNTR0
CNTR0 edge
selection bit
“1”
“0”
Programmable waveform generation mode
Timer X trigger selection bit
Timer X stop control bit
P31/INT1
“1”
“0”
INT1 edge selection bit
Programmable one-shot
output mode
PWM mode
Output level latch
“001”
“100”
“101”
“110”
Timer Y
operating mode bits
P41 direction
register
P41
latch
Edge detecting circuit
f(XIN)/2
f(XIN)/8
f(XIN)/16
Timer X count source
selection bit
“0”
DQ
“1”
T
Programmable one-shot
output circuit
PWM generating circuit
CNTR1 edge
selection bit
“1”
PWM mode ^{“0”}
Programmable
one-shot
output mode
Programmable waveform
generation mode
DQ
T
Pulse output
mode
S
Q
CNTR1 edge
selection bit
“0”
TQ
“1” Pulse output mode
Timer Y (low-order) latch Timer Y (high-order) latch
Timer Y (low-order)
Timer Y (high-order)
CNTR0 interrupt
request
INT1 interrupt
request
Timer Y
interrupt request
P41/CNTR1
CNTR1 edge
selection bit
“1”
“0”
Programmable waveform generation mode
Timer Y trigger selection bit
Timer Y stop control bit
Fig. 17 Block diagram of timer X and timer Y
Pulse width measurement mode
Pulse cycle measurement mode
Edge detecting circuit
f(XIN)/2
f(XIN)/8
f(XIN)/16
DQ
T
Timer Y count source
selection bit
“0”
“1”
CNTR1 interrupt
request
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