參數(shù)資料
型號： HE84G752B
廠商： King Billion Electronics Co., Ltd.
英文描述： 8-BIT MICRO-CONTROLLER
中文描述： 8位微控制器
文件頁數(shù)： 28/49頁
文件大?。?/td> 474K
代理商： HE84G752B
KING BILLION ELECTRONICS CO., LTD
駿
億
電
子
股
份
有
限
公
司
HE84G752B
HE80004 Series
January 21, 2005
This specification is subject to change without notice. Please contact sales person for the latest version before use.
28
V0.93
T2H
T2L
< Timer2 Counter >
Decreases 1
Count To
0xFFFFh
The contents of
T2H and T2L are
almost loaded into
Timer2 immediately
when Timer2 is
enabled after reset.
Auto reload
when Timer2
is underflow
Yes
No
Timer2
Interrupt
Request
T2_INT
14.
Time Base
The TB timer is used to generate time-out interrupt at fixed period. The time-out frequency of TB is
determined by dividing slow clock with a factor selected in OP2[3..0]. TBE (Time Base Enable) bit
controls enable or disable of the circuit.
OP2
Field
Mode
Reset
Bit 7
IDLE
R/W
0
Bit 6
PNWK
R
-
Bit 5
TCWK
R
-
Bit 4
TBE
R/W
0
Bit 3
Bit 2
Bit 1
Bit 0
TBS[3..0]
R/W
-
R/W
-
R/W
-
R/W
-
TBE
0
1
Function
Disable Time Base
Enable Time Base
For example, if the slow clock is 32768 Hz, then the interrupt frequency is as shown in following table.
TBS[3..0]
0000
0001
0010
0011
0100
0101
0110
0111
1000
Interrupt Frequency
16.384 KHz
8.192 KHz
4.096 KHz
2.048 KHz
1.024 KHz
512 Hz
256 Hz
128 Hz
64 Hz
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