參數(shù)資料
型號： MB90F372PMT-G
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP144
封裝： 0.40 MM PITCH, PLASTIC, LQFP-144
文件頁數(shù)： 106/153頁
文件大?。?/td> 2503K
代理商： MB90F372PMT-G
MB90370 Series
56
7.
16-bit reload timer (x 4)
The 16-bit reload timer provides two operating mode, internal clock mode and event count mode. In each
operating mode, the 16-bit down counter can be reloaded (reload mode) or stopped when underflow (one-shot
mode).
Output pins TO1 ~ TO4 are able to output different waveform according to the counter operating mode. TO1 ~
TO4 toggles when counter underflow if counter is operated as reload mode. TO1 ~ TO4 output specified level
(“H” or “L”) when counter is counting if the counter is in one-shot mode.
Features of the 16-bit reload timer :
Interrupt generated when timer underflow
EI2OS supported
Internal clock operating mode :
Three internal count clocks can be selected
Counter can be activated by software or external trigger (signal at TIN1 ~ TIN4 pin)
Counter can be reloaded or stopped when underflow after activated
Event count operating mode :
Counter counts down by one when specified edge at TIN1 ~ TIN4 pin
Counter can be reloaded or stopped when underflow
(1) Register configuration of reload timer
15
14
13
12
11
10
9
8
R/W
0
R/W
0
R/W
0
R/W
0
CSL1
CSL0
MOD2
MOD1
76
5
4
3
2
1
0
Timer Control Status Register (Upper)
Timer Control Status Register (Lower)
TMCSRH1 ~ 4
TMCSRL1 ~ 4
Initial value
Read/write
Bit number
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
Initial value
Read/write
Bit number
MOD0
OUTE OUTL
RELD
INTE
UF
CNTE
TRG
15
14
13
12
11
10
9
8
R/W
X
R/W
X
R/W
X
R/W
X
R/W
X
R/W
X
R/W
X
R/W
X
D15
D14
D13
D12
D11
D10
D09
D08
76
5
4
3
2
1
0
16-bit Timer Register / 16-bit Reload Register (Upper)
16-bit Timer Register / 16-bit Reload Register (Lower)
TMR1 ~ 4 /
Initial value
Read/write
Bit number
R/W
X
R/W
X
R/W
X
R/W
X
R/W
X
R/W
X
R/W
X
R/W
X
Initial value
Read/write
Bit number
D07
D06
D05
D04
D03
D02
D01
D00
Address: ch1 000071H
ch2 000075H
ch3 000079H
ch4 00007DH
Address: ch1 000070H
ch2 000074H
ch3 000078H
ch4 00007CH
Address: ch1 000073H
ch2 000077H
ch3 00007BH
ch4 00007FH
Address: ch1 000072H
ch2 000076H
ch3 00007AH
ch4 00007EH
TMRD1 ~ 4
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