參數(shù)資料
型號： UPSD3254B-40U1
廠商： 意法半導體
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)： 71/176頁
文件大?。?/td> 1214K
代理商： UPSD3254B-40U1
71/176
μPSD325X DEVICES
Table 46. ADC SFR Memory Map
Table 47. Description of the ACON Bits
Table 48. ADC Clock Input
SFR
Addr
Reg
Name
Bit Register Name
ValueComments
7
6
5
4
3
2
1
0
95
ASCL
00
8-bit
Prescaler for
ADC clock
96
ADAT
ADAT7
ADAT6
ADAT5
ADAT4
ADAT3
ADAT2
ADAT1
ADAT0
00
ADC Data
Register
97
ACON
ADEN
ADS1
ADS0
ADST
ADSF
00
ADC Control
Register
Bit
Symbol
Function
7 to 6
—
Reserved
5
ADEN
ADC Enable Bit:
0 : ADC shut off and consumes no operating current
1 : enable ADC
4
—
Reserved
3 to 2
ADS1, ADS0
Analog channel select
0, 0
Channel0 (ACH0)
0, 1
Channel1 (ACH1)
1, 0
Channel2 (ACH2)
1, 1
Channel3 (ACH3)
1
ADST
ADC Start Bit:
0 : force to zero
1 : start an ADC; after one cycle, bit is cleared to '0'
0
ADSF
ADC Status Bit:
0 : A/D conversion is in process
1 : A/D conversion is completed, not in process
MCU Clock Frequency
Prescaler Register Value
ADC Clock
40MHz
2
6.7MHz
36MHz
2
6MHz
24MHz
1
6MHz
12MHz
0
6MHz
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