参数资料
型号: ADUC845BCPZ8-3
厂商: ANALOG DEVICES INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 12.58 MHz, MICROCONTROLLER, QCC56
封装: 8 X 8 MM, LEAD FREE, MO-220-VLLD-2, LFCSP-56
文件页数: 47/108页
文件大小: 1940K
代理商: ADUC845BCPZ8-3
ADuC845/ADuC847/ADuC848
Rev. B | Page 43 of 108
au
able 25. ADC0CON1 SFR Bit Designations
ADC0CON1 (PRIMARY ADC CONTROL REGISTER)
ADC0CON1 is used to configure the primary ADC for buffer, unipolar, or bipolar coding, and ADC range configuration.
SFR Address:
D2H
Power-On Def lt:
07H
Bit Addressable:
No
T
Bit No.
Name
Description
Buffer Con
.
figuration Bits
BUF1
BU
tion
F0
Buffer Configura
0
ADC0+ and ADC0 are buffered
0
1
Reserved
1
0
Buffer Bypass
7, 6
BUF1, BUF0
1
Reserved
5
UNI
Primary AD
Set by the
Cleared by
C Unipolar Bit.
user to enable unipolar coding; zero differential input results in 000000H output.
the user to enable bipolar coding; zero differential input results in 800000H output.
4
–––
Not Implemented. Write Don’t Care.
3
–––
Not Implemented. Write Don’t Care.
Primary AD
e
ri
C Rang Bits. W tten by the user to select the primary ADC input range as follows:
RN2
RN
0
Select
prim
nge (VREF = 2.5 V)
1
RN
ed
ary ADC input ra
0
±20 mV (0 mV
lar mode)
0
–20 mV in unipo
0
±40 mV (0 mV
ar mode)
1
–40 mV in unipol
0
1
±80 mV (0 mV
lar mode)
0
–80 mV in unipo
0
1
±160 m (0 m
olar mode)
1
V
V–160 mV in unip
1
0
±320 m (0 m
olar mode)
0
V
V–320 mV in unip
1
0
±640 m (0 m
olar mode)
1
V
V–640 mV in unip
1
±1.28
V–1
mode)
0
V (0
.28 V in unipolar
2, 1, 0
RN2, RN1, RN0
1
±2.56
V–2.5
1
V (0
6 V in unipolar mode)
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