HAL805 Datasheet, PDF (22/24 Pages) Micronas – Programmable Linear Hall Effect Sensor

HAL 805
PRELIMINARY DATA SHEET
5.4. Number Formats
Binary number:
The most significant bit is given as first, the least sig-
nificant bit as last digit.
Example: 101001 represents 41 decimal.
Signed binary number:
The first digit represents the sign of the following
binary number (1 for negative, 0 for positive sign).
Example: 0101001 represents +41 decimal
1101001 represents −41 decimal
Two-complementary number:
The first digit of positive numbers is “0”, the rest of the
number is a binary number. Negative numbers start
with “1”. In order to calculate the absolute value of the
number, calculate the complement of the remaining
digits and add “1”.
Example: 0101001 represents +41 decimal
1010111 represents −41 decimal
Table 5–3: Available register addresses
Register
CLAMP-LOW
CLAMP-HIGH
VOQ
Code
1
2
3
Data
Bits
10
11
11
SENSITIVITY 4
14
MODE
5
6
LOCKR
6
1
ADC-READOUT 7
14
TC
11
6
TCSQ
12
5
DEACTIVATE 15
12
Format
Customer
binary
read/write/program
binary
read/write/program
two compl.
binary
read/write/program
signed binary read/write/program
binary
read/write/program
binary
lock
two compl.
binary
read
signed binary read/write/program
binary
read/write/program
binary
write
Remark
Low clamping voltage
High clamping voltage
Range and filter settings
Lock Bit
Deactivate the sensor
MICRONAS registers (read only for customers)
Register
OFFSET
FOSCAD
SPECIAL
IMLOCK
Code
8
9
13
14
Data
Bits
4
5
6
1
Format
two compl. binary
binary
binary
Remark
ADC offset adjustment
Oscillator frequency adjustment
special settings
Lock Bit for the Micronas registers
22
Micronas