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參數(shù)資料
| 型號： | HT46C64 |
| 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)： | 27/47頁 |
| 文件大?。?/td> | 345K |
| 代理商： | HT46C64 |
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HT46R64/HT46C64
Rev. 1.40
27
September 21, 2004
The RTCC register definitions are listed below.
Register
Bit No.
Label
Read/Write
Reset
Function
RTCC
(09H)
0~2
RT0~RT2
R/W
1
8 to 1 multiplexer control inputs to select the real clock
prescaler output
3
LVDC
R/W
0
LVD enable/disable (1/0)
4
QOSC
R/W
0
32768Hz OSC quick start-up oscillating
0/1: quickly/slowly start
5
LVDO
R
0
LVD detection output (1/0)
1: low voltage detected
6~7
Unused bit, read as 0
Options
The following shows the options in the device. All these options should be defined in order to ensure proper functioning
system.
Options
OSC type selection.
This option is to decide if an RC or crystal or 32768Hz crystal oscillator is chosen as system clock.
WDT, RTC and time base clock source selection.
There are three types of selections: system clock/4 or RTC OSC or WDT OSC.
WDT enable/disable selection.
WDT can be enabled or disabled by option.
WDT time-out period selection.
There are four types of selection: WDT clock source divided by 2
12
/f
S
~2
13
/f
S
, 2
13
/f
S
~2
14
/f
S
, 2
14
/f
S
~2
15
/f
S
or
2
15
/f
S
~2
16
/f
S
.
CLR WDT times selection.
This option defines the method to clear the WDT by instruction. One time means that the CLR WDT can clear the
WDT. Two times means only if both of the CLR WDT1 and CLR WDT2 have been executed, the WDT can be
cleared.
/ D /
$
+ D :
+
(
6
E
E
6 (
$
(
(
6
Low Voltage Reset
Note:
*1: To make sure that the system oscillator has stabilized, the SST provides an extra delay of 1024 system
clock pulses before entering the normal operation.
*2: Since low voltage state has to be maintained in its original state for over 1ms, therefore after 1ms delay,
the device enters the reset mode.
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| 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) |
參數(shù)描述 |
|---|---|
| HT46C64_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 |
| HT46C65 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D with LCD Type 8-Bit MCU |
| HT46C65_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 |
| HT46C65-100 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D with LCD Type 8-Bit MCU |
| HT46C65-52 | 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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