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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： 44/108页
文件大小： 1940K
代理商： ADUC845BCPZ8-3
ADuC845/ADuC847/ADuC848
Rev. B | Page 40 of 108
STER)
alibratio
n
clu
derflow fl s.
SFR
Pow
Bit A
Tabl
Bit N
ADCSTAT (ADC STATUS REGI
This SFR reflects the status of both ADCs including data ready, c
in
ding REFIN± reference detect and conversion overflow/un
Address:
D8H
er-On Default:
00H
ddressable:
Yes
n, a d various (ADC-related) error and warning conditions
ag
e 23. ADCSTAT SFR Bit Designation
o.
Name
Description
7
ersion or calib
y the user, or indirectly by a write to
sults to its data or cal
rs until the RDY0 bit is cleared.
RDY0
Ready Bit for the Primary ADC.
Set by hardware on completion of conv
Cleared directly b
ration.
the mode bits, to start calibration. The primary ADC is
ibration registe
inhibited from writing further re
6
ADC.
auxiliary ADC
RDY1
Ready Bit for Auxiliary (ADuC845 only)
Same definition as RDY0 referred to the
. Valid on the ADuC845 only.
5
bration.
mode bits to start
calibration.
e sensor selected (auxiliary ADC on the ADuC845 only) fails to complete.
CAL
Calibration Status Bit.
Set by hardware on completion of cali
Cleared indirectly by a write to the
Note that calibration with the temperatur
another ADC conversion or
4
primary o
u
s is flo
old.
ped to all 1s. On
±, does not check REFIN2±.
NOXREF
No External Reference Bit (only active if
Set to indicate that one or both of the REFIN pin
When set, conversion results are clam
Cleared to indicate valid V
r a xiliary (ADuC845 only) ADC is active).
ating or the applied voltage is below a specified thresh
ly detects invalid REFIN
REF
.
3
result written to t
clamped to all 0s or
ror conditions that caused the calibration registers not to be written.
itiate a c
version or calibration.
ERR0
Primary ADC Error Bit.
Set by hardware to indicate that the
all 1s. After a calibration, this bit also flags er
Cleared by a write to the mode bits to in
he primary ADC data registers has been
on
2
finition as ERR0 referred to the auxiliary ADC. Valid on the ADuC845 only.
ERR1
Auxiliary ADC Error Bit. Same de
1
–––
Not Implemented. Write Don’t Care.
0
–––
Not Implemented. Write Don’t Care.
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