DS2751+ MAXIM [Maxim Integrated Products], DS2751+ Datasheet - Page 11

• Manufacturer Part Number: DS2751+
• Description: Multichemistry Fuel Garge
• Manufacturer: MAXIM [Maxim Integrated Products]

Table 3. MEMORY MAP
STATUS REGISTER
The default values for the Status Register bits are stored in lockable EEPROM in the corresponding bits
of address 31h. A Recall Data command for EEPROM block 1 recalls the default values into the Status
Register bits. The format of the Status Register is shown in Figure 8. The function of each bit is described
in detail in the following paragraphs.
Figure 8. STATUS REGISTER FORMAT
PMOD—Sleep Mode Enable. A value of 1 in this bit enables the DS2751 to enter sleep mode when the
DQ line goes low for greater than t
This bit is read-only. The desired default value should be set in bit 5 of address 31h. The factory default
is 0.
RNAOP—Read Net Address Opcode. A value of 0 in this bit sets the opcode for the Read Net Address
command to 33h, while a 1 sets the opcode to 39h. This bit is read-only. The desired default value should
be set in bit 4 of address 31h. The factory default is 0.
*Each EEPROM block is read/write until locked by the LOCK command, after which it is read-only.
ADDRESS (HEX)
1A to 1F
09 to 0B
90 to FF
02 to 06
12 to 17
20 to 2F
30 to 3F
40 to 7F
80 to 8F
0C
0D
0E
00
01
07
08
0F
10
11
18
19
bit 7
X
Reserved
Status Register
Reserved
EEPROM Register
Special Feature Register
Reserved
Voltage Register MSB
Voltage Register LSB
Current Register MSB
Current Register LSB
Accumulated Current Register MSB
Accumulated Current Register LSB
Reserved
Temperature Register MSB
Temperature Register LSB
Reserved
EEPROM, block 0
EEPROM, block 1
Reserved
SRAM
Reserved
bit 6
X
PMOD RNAOP UVEN
SLEEP
bit 5
. A value of 0 disables the DS2751 from entering the sleep mode.
DESCRIPTION
bit 4
Address 01
11 of 19
bit 3
bit 2
X
bit 1
X
bit 0
X
READ/WRITE
R/W*
R/W*
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
R
R