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| 型號(hào)： | HE84G763B |
| 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)： | 33/60頁 |
| 文件大?。?/td> | 592K |
| 代理商： | HE84G763B |
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KING BILLION ELECTRONICS CO., LTD
駿
億
電
子
股
份
有
限
公
司
HE84G763B
HE80004 Series
June 1, 2004
This specification is subject to change without notice. Please contact sales person for the latest version before use.
33
V0.92
110
111
50
60
The following table shows the combinations of R and C, and the resulting frequency. Please note that
oscillation frequency in the table only represents oscillation frequencies of certain samples. The actual
oscillation frequency may vary up to
±
15% from lot to lot due to process parameter variations. User must
take this into consideration when using this chip in applications.
Ring Oscillator Frequency Table
C (pF)
R (K
)
40
20
14
7
4
2
30.20
19.92
9.98
0.8
1.2
2.3
1.5
2.2
4.0
2.0
2.8
5.1
3.0
4.4
7.5
4.0
5.6
9.4
5.0 MHz
7.0 MHz
11.4
MHz
Two types of oscillator, crystal and RC, can be used as slow clock selectable by mask option
MO_SXTAL. If used time keeping function or other applications that required the accurate timing, crystal
oscillator is recommended. If the timing accuracy is not important, then RC type oscillator can be used to
reduce cost.
MO_SXTAL
0
1
Slow clock type
R/C oscillator
Crystal oscillator
SXI
SXI
SXO
SXO
Crystal Osc.
RC Osc.
With two clock sources available, the system can switch among operation modes of Normal, Slow, Idle,
and Sleep modes by the setting of OP1 and OP2 registers as shown in tables below to suit the needs of
application such as high speed or low power, etc.
OP1
Field
Mode
Reset
Bit 7
DRDY
R/W
1
Bit 6
STOP
R/W
0
Bit 5
SLOW
R/W
0
Bit 4
INTE
R/W
0
Bit 3
T2E
R/W
0
Bit 2
T1E
R/W
0
Bit 1
Z
R/W
-
Bit 0
C
R/W
-
OP2
Field
Mode
Bit 7
IDLE
R/W
Bit 6
PNWK
R
Bit 5
TCWK
R
Bit 4
TBE
R/W
Bit 3
Bit 2
Bit 1
Bit 0
TBS[3..0]
W
W
W
W
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