參數(shù)資料
型號(hào)： MB90T673PFV
元件分類： 微控制器/微處理器
英文描述： 16-BIT, 16 MHz, MICROCONTROLLER, PQFP80
封裝： PLASTIC, LQFP-80
文件頁數(shù)： 54/106頁
文件大?。?/td> 1648K
代理商： MB90T673PFV
MB90670/675 Series
51
6.
24-bit Free run Timer
The 24-bit free-run timer is a 24-bit up counter for counting up in synchronization to divided-by-3 or divided-by-
4 of the machine clock, in which an interrupt factor can be selected from the overflow interrupt and four types
of timer intermediate bit interrupt to be operated as an interval timer.
The free-run timer can be used to generating reference timing signals for the input capture (ICU) and output
compare (OCU).
(1) Register Configuration
bit 7
bit 0
Free-run timer control register upper digits (TCCR : H)
—
RESV RESV RESV
RESV RESV
PR0
(TCCR : L)
—
R/W
bit 15
bit 14
bit 13
bit 12
bit 11
bit 10
bit 9
bit 8
.............
Initial value
- - 111111 B
bit 15
bit 8
Free-run timer control register lower digits (TCCR : L)
CLR
STP
(TCCR : H)
W
R/W
bit 7
bit 6
bit 5
bit 4
Initial value
11000000B
IVFE
IVF
TIME
TIM
TIS0
TIS1
.............
bit 3
bit 2
bit 1
bit 0
Free-run timer upper data register (TCRH)
Address
000056H
000057H
bit 15
Initial value
00000000B
bit 14bit 13bit 12bit 11bit 10 bit 9 bit 8 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
RRRR
RRR
R
RRR
RRRR
R/W : Readable and writable
R : Read only
W : Write only
— : Unused
Address
000051H
Address
000050H
—
T23 T22 T21 T20 T19 T18 T17 T16
Free-run timer lower data register (TCRL)
Address
000054H
000055H
bit 15
Initial value
00000000B
bit 14bit 13bit 12bit 11bit 10 bit 9 bit 8 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
RRRR
RRR
R
RRR
RRRR
T15 T14 T13 T12 T11 T10
T9
T8
T7
T6
T5
T4
T3
T2
T1
T0
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