參數(shù)資料
型號: MB91F355APMT
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 50 MHz, RISC MICROCONTROLLER, PQFP176
封裝: PLASTIC, LQFP-176
文件頁數(shù): 88/112頁
文件大?。?/td> 1095K
代理商: MB91F355APMT
MB91350A Series
77
15. A/D Converter
(1) Description
The A/D converter converts the analog input voltage into a digital value. It has the following features:
Conversion time: 1.48
s minimum per channel
Employing serial/parallel conversion type for sample & hold circuit
10-bit resolution (switchable between 8 and 10 bits)
Program selection of the analog input from among 12 channels
Conversion mode
Single conversion mode : Convert one selected channel
Scan conversion mode
: Scan up to four channels.
Converted data is stored in the data buffer.
An interrupt request to the CPU can be generated upon completion of A/D conversion. The interrupt can be
used to start DMA transfer.
The startup source can be selected from among software, external trigger (falling edge), and reload timer ch2
(rising edge).
(2) Register list
The A/D converter has the following registers.
ADCS1
ADCS2
ADCT
15
bit
0
ADTL0
ADTH0
ADTL2
ADTL1
ADTH1
ADTH2
ADTL3
ADTH3
87
Address: 000078H
Control status register
Address: 00007AH
conversion time setting resister
Address: 00007CH
Converted data register 0
Address: 00007EH
Converted data register 1
Address: 000080H
Converted data register 2
Address: 000082H
Converted data register 3
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