Functional description – Rainbow Electronics LM80 User Manual
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Functional Description
(Continued)
12.0 REGISTERS AND RAM
12.1 Address Register
The main register is the ADDRESS Register. The bit designations are as follows:
Bit
Name
Read/
Write
Description
7-0
Address
Pointer
Read/Write
Address of RAM and Registers. See the tables below for detail.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Address Pointer (Power On default 00h)
A7
A6
A5
A4
A3
A2
A1
A0
12.2 Address Pointer Index (A7–A0)
Registers and RAM
A6–A0 in
Hex
Power On Value of Registers:
<
7:0
>
in Binary
Configuration Register
00h
0000 1000
Interrupt Status Register 1
01h
0000 0000
Interrupt Status Register 2
02h
0000 0000
Interrupt Mask Register 1
03h
0000 0000
Interrupt Mask Register 2
04h
0000 0000
Fan Divisor/RST_OUT/OS
05h
0001 0100
OS
Configuration/Temperature
Resolution Register
06h
0000 0001
Value RAM
20h–3Fh
LM80
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