參數(shù)資料
型號: MC68HC05P9AVP
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: HCMOS Microcontroller Unit
中文描述: HCMOS微控制器
文件頁數(shù): 122/158頁
文件大?。?/td> 1106K
代理商: MC68HC05P9AVP
ADC
122
ADC
MOTOROLA
I/O Registers
The following registers control and monitor operation of the ADC:
ADC status and control register (ADSCR)
ADC data register (ADDR)
ADC Status and
Control Register
The ADC status and control register (ADSCR) contains a conversion
complete flag and four writable control bits. Writing to ADSCR clears the
conversion complete flag and starts a new conversion sequence.
CCF — Conversion Complete Flag
This read-only bit is automatically set when an analog-to-digital
conversion is complete, and a new result can be read from the ADC
data register. Clear the CCF bit by writing to the ADC status and
control register or by reading the ADC data register. Resets clear the
CCF bit.
1 = Conversion complete
0 = Conversion not complete
$001E
Bit 7
6
5
4
3
2
1
Bit 0
Read:
CCF
ADRC
ADON
0
0
CH2
CH1
CH0
Write:
Reset:
0
0
0
0
0
0
0
0
= Unimplemented
Figure 68. ADC Status and Control Register (ADSCR)
10-mc68hc05p9a
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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