Rainbow Electronics DS1857 - Manual (Page 17)

DS1857
Dual Temperature-Controlled Resistors with
External Temperature Input and Monitors
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MEMORY
LOCATION
(hex)
EEPROM/
SRAM
R/W
DEFAULT
SETTING
(hex)
NAME OF
LOCATION
FUNCTION
5 — — 0 ADEN
Controls if the device responds to one or two device
addresses (see the Memory Description section and
Table 5).
4 — — 0 ADFIX
Controls the means by which Main and Auxiliary Device
addresses are set (see the Memory Description section
and Table 5).
3 — — 0 APEN C ontr ol s auxi l i ar y w r i te p r otect. S ee the M em or y D escr i p ti on
2 — — 0 MPEN C ontr ol s auxi l i ar y w r i te p r otect. S ee the M em or y D escr i p ti on
1 — — 0 X —
0 — — 0 X —
8A to 8B EEPROM — 00 Reserved —
8C EEPROM R/W A2 Device address
Contains Main Device address if the bit ADFIX = 1. If
ADFIX = 0, then address pins determine the address.
8D to 8F EEPROM — — Reserved —
Table 01h (continued)
MEMORY
LOCATION
(hex)
EEPROM/
SRAM
R/W
DEFAULT
SETTING
(hex)
NAME OF LOCATION FUNCTION
80 to C7 EEPROM R/W FF Resistor 0 Temp LUT Look-up table for Resistor 0.
F0 to FF EEPROM R FF Reserved —
Table 02h
MEMORY
LOCATION
(hex)
EEPROM/
SRAM
R/W
DEFAULT
SETTING
(hex)
NAME OF LOCATION FUNCTION
80 to C7 EEPROM R/W FF Resistor 1 Temp LUT Look-up table for Resistor 1.
F0 to FF EEPROM R FF Reserved —
Table 03h