DS1780 Datasheet, PDF (5/28 Pages) Dallas Semiconductor – CPU Peripheral Monitor

INTERNAL ADDRESS REGISTER MAP Table 2
REGISTER
Configuration Register
DS1780 INTERNAL
HEX ADDRESS
40h
POWER ON VALUE
0000 1000
Interrupt (INT) Status
Register 1
41h
0000 0000
Interrupt (INT) Status
Register 2
42h
Interrupt (INT) Mask
Register 1
43h
Interrupt (INT) Mask
Register 2
44h
0000 0000
0000 0000
0000 0000
Chassis Intrusion Clear
Register
46h
0000 0000
VID Register
Serial Address Register
VID4 Register
Temperature
Configuration
Register
Test Register
Analog output
Value RAM
Company ID
Stepping
47h
48h
49h
4Bh
15h
19h
20h-3Dh
3Eh
3Fh
0101 XXXX
0010 11XY
1000 000X
0000 0001
0000 0000
1111 1111
1101 1010
0000 0001
DS1780
NOTES
Bit 7 of this register
clears Chassis Intrusion.
The other bits are
reserved.
The lower 4 bits reflect
the state of
VID0-VID3 pins.
X Reflects state of A1
and Y Reflects A0 state
Bit 0 = VID 4. The rest
are reserved.
Do not alter the
contents of the register.
Full on
Read only
Read only
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