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參數(shù)資料
| 型號： | HT46R65 |
| 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)： | 24/48頁 |
| 文件大小： | 409K |
| 代理商： | HT46R65 |
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HT46R65/HT46C65
Rev. 1.80
24
July 14, 2005
The following programming example illustrates how to setup and implement an A/D conversion. The method of polling
the EOCB bit in the ADCR register is used to detect when the conversion cycle is complete.
Example: using EOCB Polling Method to detect end of conversion
clr
mov
mov
mov
mov
EADI
a,00000001B
ACSR,a
a,00100000B
ADCR,a
:
:
; disable ADC interrupt
; setup the ACSR register to select f
SYS
/8 as the A/D clock
; setup ADCR register to configure Port PB0~PB3 as A/D inputs
; and select AN0 to be connected to the A/D converter
; As the Port B channel bits have changed the following START
; signal (0-1-0) must be issued within 10 instruction cycles
:
Start_conversion:
clr
set
clr
Polling_EOC:
sz
jmp
mov
mov
mov
mov
START
START
START
; reset A/D
; start A/D
EOCB
polling_EOC
a,ADRH
adrh_buffer,a
a,ADRL
adrl_buffer,a
:
:
start_conversion
; poll the ADCR register EOCB bit to detect end of A/D conversion
; continue polling
; read conversion result high byte value from the ADRH register
; save result to user defined memory
; read conversion result low byte value from the ADRL register
; save result to user defined memory
jmp
; start next A/D conversion
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A/D Conversion Timing
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HT46R65-52 | A/D with LCD Type 8-Bit MCU |
| HT46R65-56 | A/D with LCD Type 8-Bit MCU |
| HT47C20L | 8-BIT MICROCONTROLLER |
| HT47C20 | 8-BIT MICROCONTROLLER |
| HT47R20 | 8 位R-F 型OTP 單片機 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| HT46R65-100 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D with LCD Type 8-Bit MCU |
| HT46R652 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D with LCD Type 8-Bit OTP MCU |
| HT46R652_11 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D with LCD Type 8-Bit OTP MCU |
| HT46R65-52 | 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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