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參數(shù)資料
| 型號(hào)： | HT46R63 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | A/D with LCD Type 8-Bit MCU |
| 中文描述： | 在A / D液晶型8位微控制器 |
| 文件頁數(shù)： | 13/44頁 |
| 文件大?。?/td> | 328K |
| 代理商： | HT46R63 |
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HT46R63/HT46C63
Rev. 1.90
13
May 17, 2004
Bit No. Label
Function
5
EIF1
External interrupt 1 request flag
(1= active; 0= inactive)
6
TF
Timer/Event Counter overflow request
flag (1= active; 0= inactive)
7
Unused bit, read as 0
INTC1 Register
0
ETBI
Controls the time base interrupt
(1= enabled; 0= disabled)
1
EADI(1= enabled; 0= disabled)
2
ERTI
Controls the real time clock interrupt
(1= enabled; 0= disabled)
3
Unused bit, read as 0
4
TBF
Time base time-out interrupt 0 request
flag (1= active; 0= inactive)
5
ADF
End of A/D conversion interrupt request
flag (1= active; 0= inactive)
6
RTF
RTC time-out interrupt request flag
(1= active; 0= inactive)
7
Unused bit, read as 0
Oscillator Configuration
There are four oscillator circuits implemented in the mi-
cro-controller.
Two of them are designed for system clocks, namely the
external RC oscillator and the crystal oscillator, which
are determined by options. The HALT mode stops the
system oscillator and resists the external signal to con-
serve power. Another one is a 32768Hz crystal oscilla-
tor, which only provides use for real time clock. The
other one is a built-in 12KHz RC oscillator, which is used
for WDTOSC.
If the system clock uses the external RC oscillator, an
external resistor between OSC1 and VDD is required
and the resistance should range from 24k
system clock, divided by 4, is available on OSC2, which
can be used to synchronize external logic.
to 1M . The
If the system clock uses the crystal oscillator, a crystal
across OSC1 and OSC2 is needed to provide the feed-
back and phase shift required for
the oscillator, and no
other external components are demanded. Instead of a
crystal, the resonator can also be connected between
OSC1 and OSC2 to get a frequency reference, but two
external capacitors in OSC1 and OSC2 are required.
If the RTCOSC is used, a
crystal across OSC3 and
OSC4 is needed to provide the feedback and phase
shift required for the oscillator, and no other external
components are demanded.
Watchdog Timer
WDT
The clock source of WDT (and LCD, RTC, Time Base )
is implemented by a dedicated crys
tal oscillator
(32.768kHz: RTCOSC) or instruction clock (system fre-
quency divided by 4: f
SYS
/4) or a dedicated RC oscillator
(12KHz:WDTOSC) decided by options. This timer is de-
signed to prevent a software malfunction or sequence
from jumping to an unknown location with unpredictable
! "
#
% $ "
& "
5
) 7 @
C# ,
System Oscillator
# & $ 4 ! #
*
% # & " -
% # & " -
& $
- $ A
*
$ D ! $ " ' > A
)
A
)
E
E
6
4
& #
! " # $
4
& #
! " # $
#
#
) #
Watchdog Timer
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| HT46C64 | A/D with LCD Type 8-Bit MCU |
| HT46R64 | A/D with LCD Type 8-Bit MCU |
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相關(guān)代理商/技術(shù)參數(shù) |
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| HT46R64 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D with LCD Type 8-Bit MCU |
| HT46R64_06 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D with LCD Type 8-Bit MCU |
| HT46R64_11 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D with LCD Type 8-Bit MCU |
| HT46R65 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D with LCD Type 8-Bit MCU |
| HT46R65_11 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D with LCD Type 8-Bit MCU |
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