Table 4. aden address configuration, Table 5. aden and adfix bits – Rainbow Electronics DS1854 User Manual
Page 10

DS1854
Dual Temperature-Controlled Resistors with
Two Monitors
10
____________________________________________________________________
ADEN
(ADDRESS
ENABLE)
NO. OF SEPARATE
DEVICE
ADDRESSES
ADDITIONAL
INFORMATION
0
2
See Figure 2
1
1 (Main Device only)
See Figure 3
Table 4. ADEN Address Configuration
ADEN
ADFIX
AUXILIARY
ADDRESS
MAIN ADDRESS
0
0
A0h
A2h
0
1
A0h
EEPROM
(Table 01, 8Ch)
1
0
N/A
A2h
1
1
N/A
EEPROM
(Table 01, 8Ch)
Table 5. ADEN and ADFIX Bits
MAIN
DEVICE
MON LOOK-UP
TABLE CONTROL
R0 LOOK-UP
TABLE
AUXILIARY
DEVICE
0
DEC
0
95
96
127
128
143
199
MEMORY PARTITION WITH ADEN BIT = 0
EN
EN
EN
EN
SEL
EN
SEL
7Fh
5Fh
60h
7Fh
80h
80h
C7h
RESERVED
RESERVED
8Fh
TABLE SELECT
MAIN DEVICE ENABLE
AUXILIARY DEVICE ENABLE
DECODER
0
R1 LOOK-UP
TABLE
EN
SEL
80h
C7h
TABLE 03
TABLE 02
TABLE 01
Figure 2. Memory Organization, ADEN = 0
MAIN
DEVICE
MON LOOK-UP
TABLE CONTROL
R0 LOOK-UP
TABLE
AUXILIARY
DEVICE
80h
DEC
0
95
96
127
128
143
199
255
EN
EN
EN
EN
SEL
EN
SEL
FFh
7Fh
80h
80h
C7h
8Fh
TABLE SELECT
TABLE 00
MAIN DEVICE ENABLE
DECODER
0
R1 LOOK-UP
TABLE
EN
SEL
80h
C7h
TABLE 03
TABLE 02
TABLE 01
MEMORY PARTITION WITH ADEN BIT = 1
RESERVED
RESERVED
5Fh
60h
Figure 3. Memory Organization, ADEN = 1