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參數(shù)資料
| 型號： | MB90570 |
| 廠商： | Fujitsu Limited |
| 英文描述： | Hex Schmitt-trigger Inverters 14-CDIP -55 to 125 |
| 中文描述： | 16位微控制器專有 |
| 文件頁數(shù)： | 47/120頁 |
| 文件大?。?/td> | 1754K |
| 代理商： | MB90570 |
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MB90570 Series
47
(2) Input Capture (ICU)
The input capture (ICU) generates an interrupt request to the CPU simultaneously with a storing operation of
current counter value of the 16-bit free run timer to the ICU data register (IPCP) upon an input of a trigger edge
to the external pin.
There are four sets (four channels) of the input capture external pins and ICU data registers, enabling measure-
ments of maximum of four events.
The input capture has two sets of external input pins (IN0, IN1) and ICU registers (IPCP), enabling measure-
ments of maximum of four events.
A trigger edge direction can be selected from rising/falling/both edges.
The input capture can be set to generate an interrupt request at the storage timing of the counter value of the
16-bit free run timer to the ICU data register (IPCP).
The input compare conforms to the extended intelligent I/O service (EI
2
OS).
The input capture (ICU) function is suited for measurements of intervals (frequencies) and pulse widths.
Register Configuration
ICU data register ch.0, ch.1 (IPCP0, IPCP1)
Address
bit 15
000051
H
000053
H
IPCP1(high):
Initial value
XXXXXXXX
B
CP15
CP14
CP13
CP12
CP11
CP10
CP09
CP08
(IPCP0 low, IPCP1 low)
bit 14
bit 13
bit 12
bit 11
bit 10
bit 9
bit 8
bit 7. . . . . . . . . . . . .
R
R
R
R
R
R
R
R
Address
000050
H
000052
H
CP07
CP06
CP05
CP04
CP03
CP02
CP01
CP00
(IPCP0 high, IPCP1 high)
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
bit 1. . . . . . . . . . . .
R
R
R
R
R
R
R
R
ICU control status register (ICS01)
Address
000054
H
R/W:Readable and writable
R:Read only
X:Undefined
Initial value
00000000
B
ICP1
ICP0
ICE1
ICE0
EG11
EG10
EG01
EG00
(Disabled)
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
bit 1. . . . . . . . . . . .
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Note: This register holds a 16-bit free run timer value when the valid edge of the corresponding external pin input waveform is
detected. (You can word-access this register, but you cannot program it.)
Initial value
XXXXXXXX
B
IPCP0(low):
IPCP1(low):
IPCP0(high):
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| MB90570A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90570C | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
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| MB90573PFF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90573PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
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