MB90F654A FUJITSU [Fujitsu Component Limited.], MB90F654A Datasheet - Page 58
MB90F654A
Manufacturer Part Number
MB90F654A
Description
16-bit Proprietary Microcontroller
Manufacturer
FUJITSU [Fujitsu Component Limited.]
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MB90650A Series
(3) Input Capture
• The edge to detect on the external input signal is selectable.
• The two input capture channels can operate independently.
• An interrupt can be generated on detection of the specified edge on the external input signal.
• Register details
• Block diagram
The input capture interrupt can activate the intelligent I/O service.
The 16-bit free-run timer value is stored in these registers when the specified edge is detected on the input
waveform from the corresponding external pin. (Always use word access. Writing is prohibited.)
Input capture register channel 0, channel 1 (IPCP0, IPCP1)
Input capture control status register (ICS0, 1)
The input capture consists of two independent external input pins, their corresponding capture registers, and
a control register. The value of the 16-bit free-run timer can be stored in the capture register and an interrupt
generated when the specified edge is detected on the signal from the external input pin.
Detection of rising edges, falling edges, or either edge can be specified.
R/W
R
X
IPCP0 : 000061
IPCP1 : 000063
IPCP0 : 000060
IPCP1 : 000062
: Readable and writable
: Read only
: Indeterminate
16-bit timer/counter value (T15 to T00)
000064
Capture data register 0
Capture data register 1
H
H
H
H
H
CP15 CP14 CP13 CP12 CP11 CP10 CP09 CP08
bit 15
ICP1
R/W
bit 7
R
CP07 CP06 CP05 CP04 CP03 CP02 CP01 CP00
bit 7
ICP1
R
bit 14
ICP0
R/W
bit 6
R
bit 6
ICP0
R
bit 13
ICE1
R/W
bit 5
R
ICE1
bit 5
R
bit 12
ICE0
R/W
bit 4
R
Edge detection
Edge detection
EG11 EG10 EG01 EG00
ICE0
bit 4
R
EG11 EG10 EG01 EG00
bit 11
R/W
bit 3
R
bit 3
R
bit 10
bit 2
R/W
R
bit 2
R
bit 9
bit 1
R/W
Interrupt
Interrupt
R
IN0
IN1
bit 1
R
bit 8
bit 0
R/W
R
bit 0
R
XXXXXXXX
XXXXXXXX
Initial value
Initial value
Initial value
00000000
B
B
B
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