參數資料
型號: UPD17149GTA1
廠商: NEC Corp.
英文描述: SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 小,通用4位單晶片微控制器
文件頁數: 47/102頁
文件大?。?/td> 408K
代理商: UPD17149GTA1
47
μ
PD17145(A1), 17147(A1), 17149(A1)
14.3 Operation of A/D Converter
The operation of the A/D converter can be executed in two modes, depending on the setting of the ADCSOFT
flag: successive and single modes.
ADCSOFT
Operation Mode of A/D Converter
0
Successive mode (A/D conversion)
1
Single mode (compare operation)
Figure 14-2. Relationships between Analog Input Voltage and Digital Conversion Result
N
256
Ideal conversion result
FFH
FEH
FDH
N
03H
02H
01H
00H
D
1
256
255
256
256
256
(
×
V
DD
)
Analog input voltage (V)
0
2
256
254
256
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