SA9109BFA Ver la hoja de datos (PDF) - South African Micro Electronic Systems
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componentes Descripción
Fabricante
SA9109BFA
South African Micro Electronic Systems
SA9109BFA Datasheet PDF : 18 Pages
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SA9109B
Word Bit Function
number number
1 31..28 Sign of Register 1
1
27..0 Register 1
2 31..28 Sign of Register 2
2
27..0 Register 2
3 31..28 Sign of Register 3
3
27..0 Register 3
4 31..28 Sign of Register 4
4
27..0 Register 4
5 31..28 Sign of Register
'Total'
5
27..0 Register 'Total'
6 31..16 ROM
6
15..0 Manufacturers
Identification
7 31..28 ROM
7
27..0 System
Identification
Description
A '0' indicates a negative register value
Contents of register 1 in binary coded decimal
A '0' indicates a negative register value
Contents of register 2 in binary coded decimal
A '0' indicates a negative register value
Contents of register 3 in binary coded decimal
A '0' indicates a negative register value
Contents of register 4 in binary coded decimal
A '0' indicates a negative register value
Registers 1, 2,3 and 4 are added and stored in the
register 'Total'
Don't care
16 bits are available for the manufacturer of the
metering system as a system identification
Don't care
28 bits are available for the manufacturer of the
metering system as a system identification
8
31..0 ROM
Don't care
9
31 Programmed
Programmed slope select bit must be set if the
slope select
default slope in ROM is not used
9 30..26 ROM
Don't care
9
25 Summation
0 to select addition which takes direction of
method select
energy flow into account
1 to select addition which does not take direction
of energy flow into account
9 24..22 SAMES defined Bits must be set to 0 for correct functionality
9
21 Sign of offset
By setting the sign bit a negative value is indi-
cated
9 20..14 Offset
Offset of the device in binary
9
13..0 Slope
Slope of the device in binary. (default = 11389)
10 31..0 ROM
Don't care
The first bit of the programming data is written to word number 1, bit 31. The last
bit is written to word number 10, bit 0.
sames
11/18
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