參數(shù)資料
型號: HT46R47(18SOP-A)
英文描述: Analog IC
中文描述: 模擬IC
文件頁數(shù): 22/45頁
文件大?。?/td> 297K
代理商: HT46R47(18SOP-A)
HT46R47
Rev. 1.40
22
July 18, 2001
ROM code option
The following table shows all kinds of ROM code option in the microcontroller. All of the ROM code
options must be defined to ensure proper system functioning.
Items
Option
1
WDT clock source: WDTOSC/f
TID
2
WDT enable/disable: enable/disable
3
CLRWDT instruction(s)
: one/two clear WDT
instruction(s)
4
System oscillator: RC/Crystal
5
Pull-high resistors (PA, PB, PD):
none/pull-high
6
PWM enable/disable
7
PA0~PA7 wake-up: disable/enable
8
PFD enable/disable
9
Lock: unlock/lock
10
Low voltage reset selection: Enable or disable LVR function.
J
J
# $ # .0 * - & '
# $ # .
H
H
) " + & ' / # " & . 0 ) -
# $ # .
# . # % .) ' . & * #
Low voltage reset
Note:
*1:Tomakesurethatthesystemoscillatorhasstabilized,theSSTprovidesanextradelayof
1024 system clock pulses before entering the normal operation.
*2:Sincethelowvoltagehastomaintaininitsoriginalstateandexceed1ms,therefore1ms
delay enter the reset mode.
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