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AS8501 数据表(PDF) 34 Page - ams AG

部件名 AS8501
功能描述  High precision voltage and current measurement sensor interface
PDF  41 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS8501 数据表(HTML) 34 Page - ams AG

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AS8501 - Data Sheet
austriamicrosystems
Revision 1.1, 04-April-06
www.austriamicrosystems.com
Page 33 of 40
8.6.2
Stored ZZR-register mapping
ZZR-Register
ZZR subregister
1098
76
543
210
msb
lsb
ZLO
xxx
xx
187 183
TRIMC
x
x
x
x
x
182 178
current source calibration
TRIMA
x
x
x
x
x
177 173
PGA offset calibration
TRIMBV
xxx
xx
172 168
reference voltage calibration
TRIMBTC
xxx
xx
167 163
TC calibration
CGI1
c0 c0 c0 c0 c0 c0 c0 c0 c0 c0 c0
162 152
gain 6
currrent 1500A
CGI2
c1 c1 c1 c1 c1 c1 c1 c1 c1 c1 c1
151 141
gain 24
current 300 A
CGI3
c2 c2 c2 c2 c2 c2 c2 c2 c2 c2 c2
140 130
gain 50
current 150 A
CGI4
00
00
000
00
00
129 119
gain100
current 75 A
CAU0
c1 c1 c1 c1 c1 c1 c1 c1 c1 c1 c1
118 108
calibration factor for gain 24
CAU1
11
11
111
11
11
107
97
CAU2
11
11
111
11
11
96
86
CAU3
c4 c4 c4 c4 c4 c4 c4 c4 c4 c4 c4
85
75
calibration factor for gain 1
CAU4
c3 c3 c3 c3 c3 c3 c3 c3 c3 c3 c3
74
64
calibration factor for gain 100
CAU5
ct
ct
ct
ct
ct
ct
ct
ct
ct
ct
ct
63
53
calibration factor for internal temperature
TCU1
1
cs cs cs cs cs cs cs cs
52
44
8 bits for checksum
1)
TCU0
1
1
1
fi
fififififi
43
35
6 bits for internal clock
2)
TRT0
ttt
tt
ttt
tt
t
34
24
11 bits for internal temperature at 23°C
TCN3
n23 n
n
n
n
n
n
n
23
16
high byte for serial number
TCN2
n
nnn
nn
nn
15
8
medium byte for serial number
TCN1
n
n
n
n
n
n
n
n0
7
0
low byte for serial number
x
= these fields are written during calibration
c0
= these fields are written during calibration of G6
c1
= these fields are written during calibration of G24 (i.e. 30 mV = 30 000 digits)
0
= Zero value of calibration constant for detection of unwanted POR
ct
= calibration factor for slope of Tint : 75 digits/deg
cs =
8-Bit checksum for ZZR-register
fi =
6-bit for calibration of internal clock
t
= 11 bits for Tint value at 23 °C
nr
= 24 bits serial number
ZTC
bit no. in subregister
ZZR-bits
remarks
ZCL
ZTR
Notes:
1)
The checksum contains the added value of all bits in the ZZR register without the 6 checksum bits
2)
Tthe internal clock frequency can be calculated int_fclk= (240 + 6-bit fi-number) kHz



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