參數(shù)資料
型號(hào): M37548G3FP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO20
封裝: 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, LSSOP-20
文件頁數(shù): 29/84頁
文件大小: 1427K
代理商: M37548G3FP
Rev.2.02
Mar 31, 2009
Page 35 of 81
REJ03B0210-0202
7548 Group
Fig 43. Block diagram of capture channel 0
Fig 44. Capture input waveform (capture interrupt edge selection bit = “rising edge”)
Fig 45. Capture input waveform (capture interrupt edge selection bit = “rising and falling edge”)
Data bus
Capture register
Capture/Compare
register RW pointer
(001216, bits 0-2)
Capture latch 0 (16)
Capture trigger
Capture pointer
Capture latch 0x
software trigger bits
(003116, bits 0, 1)
P03/
CAP0
Capture latch 00 (16) Capture latch 01 (16)
Rising
Falling
Capture 0 interrupt
edge selection bits
(003216, bits 0, 1)
Capture Interrupt
Timer A counter (16)
Digital filter
Capture 0 status bit
(002F16, bit 3)
Low-speed on-chip
oscillator/16
Capture 0 noise filter
clock selection bits
(003216, bits 2, 3)
Capture 0 input
port selection bit
(002E16, bit 0)
Timer A underflow
Capture input wave
Timer A count value
Capture latch 00
000B
000C
000D
000E
000F
0000
0002
0003
0004
0005
0006
0007
0008
0009
000B
000C
XXXX
Re-load the timer A count value
Capture latch 01
Capture 0 interrupt
Capture 0 status bit
XXXX
1
0
1
000A
0001
000C
0005
000F
01
0
Overwrite
0001
000A
Timer A underflow
000B
000C
000D
000E
000F
0000
0001
0002
0003
0004
0005
0006
0007
0008
0009
000A
000B
000C
XXXX
1
0
1
000A
0001
000C
0005
000F
01
0
Capture input wave
Timer A count value
Capture latch 00
Capture latch 01
Capture 0 interrupt
Capture 0 status bit
Re-load the timer A count value
Overwrite
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