參數(shù)資料
型號: UPD178023
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 23/56頁
文件大?。?/td> 261K
代理商: UPD178023
23
μ
PD178023, 178024
Data Sheet U14126EJ1V0DS00
3.5 A/D Converter
An A/D converter with a resolution of 8 bits
×
6 channels is provided.
Figure 3-7. Block Diagram of A/D Converter
ANI0/P10
ANI1/P11
ANI2/P12
ANI3/P13
ANI4/P14
ANI5/P15
Sample & hold circuit
Voltage comparator
Voltage
comparator
Successive
approximation
register (SAR)
A/D conversion result
register 3 (ADCR3)
Control
circuit
Control
circuit
V
DD
GND
ADCS3
INTAD3
PFEN3
ADCS3
ADS33 ADS32 ADS31 ADS30
0
FR32 FR31 FR30
0
0
0
PFCM3
PFHRM3
Power-fail comparison mode
register 3 (PFM3)
A/D converter mode
register 3 (ADM3)
Analog input channel
specification register 3 (ADS3)
4
Internal bus
S
T
Power-fail comparison threshold
value register 3 (PFT3)
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