HT56RU25 datasheet(46/155 Pages) HOLTEK

部件名	HT56RU25

功能描述	DAC?갏SO7816, UART, A/D

Download	155 Pages

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制造商	HOLTEK [Holtek Semiconductor Inc]

网页	http://www.holtek.com

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46 / 155 page

Rev. 1.10

46

2014-05-19

Rev. 1.10

47

2014-05-19

HT56RU25

内置

DAC、ISO7816 及 UART 接口的

低功耗

A/D 型智能卡 OTP 单片机

定时

/ 计数器应用范例

这个例子说明了如何设置定时

/ 计数寄存器，如何使能和处理中断。定时 / 计数

器控制寄存器的第

4 位设置为高时，将打开定时 / 计数器。同样，此位清零时，

关闭定时

/ 计数器。此应用范例设置定时 / 计数为定时模式，时钟来源于内部的

系统时钟。

org 04h

; Smart Card interrupt vector

reti

org 08h

; UART interrupt vector

reti

org 0ch

; External interrupt 0 vector

reti

org 10h

; External interrupt 1 vector

reti

org 14h

; Timer/Event Counter 0 interrupt vector

jmp tmr0int

; jump here when the Timer/Event Counter 0 overflows

:

org 2ch

; internal Timer/Event Counter 0 interrupt routine

tmr0int:

:

; Timer/Event Counter 0 main program placed here

reti

:

begin:

; setup Timer 0 registers

mov a,09bh

; setup Timer 0 preload value

mov tmr0,a

mov a,081h

; setup Timer 0 control register

mov tmr0c,a

; timer mode and prescaler set to /2

; setup interrupt register

mov a,002h

; timer 0 interrupt

mov int1c,a

set int0c.0

; enable master interrupt

set tmr0c.4

; start Timer/Event Counter0 - note mode bits must be

; previously setup

类似零件编号 - HT56RU25

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	HT56R23	739Kb / 131P	TinyPowerTM A/D Type 8-Bit OTP MCU with DAC
	HT56R23	718Kb / 127P	TinyPowerTM A/D Type 8-Bit OTP MCU with DAC

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