參數(shù)資料
型號(hào): GMS90L320
英文描述: 8-Bit Single-Chip Microcontrollers(低電壓,8位單片微控制器)
中文描述: 8位單芯片微控制器(低電壓,8位單片微控制器)
文件頁數(shù): 20/46頁
文件大?。?/td> 683K
代理商: GMS90L320
GMS90C320
16
OCT. 2000 Ver 1.2
Timer 2
Timer 2 is a 16-bit Timer/Counter with an up/down count feature. It can operate either as timer or as an event counter which
is selected by bit C/T2 (T2CON.1).
It has three operating modes as shown in
Table 5
.
1Note:
=
falling edge
Table 5
Timer/Counter 2 Operating Modes
Mode
T2CON
T2MO
D
DECN
T2CON
EXEN
P1.1
T2EX
Remarks
Input Clock
RxCLK
or
TxCLK
CP/
RL2
TR2
Internal
External
(P1.0/T2)
16-bit Auto-
reload
0
0
0
0
0
0
0
0
1
1
1
1
0
0
1
1
0
1
X
X
X
0
1
reload upon overflow
reload trigger (falling edge)
Down counting
Up counting
max.
16-bit
Capture
0
0
1
1
1
1
X
X
0
1
X
16-bit Timer/Counter (only
up-counting)
capture
TH1, TL2
RC2H, RC2L
max.
Baud Rate
Generator
1
1
X
X
1
1
X
X
0
1
X
no overflow interrupt request
(TF2)
extra external interrupt
(“Timer 2”)
max.
off
X
X
0
X
X
X
Timer 2 stops
-
-
---------------
---------------
12
---------------
24
---------------
---------------
---------------
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