X60250 Datasheet, PDF (8/16 Pages) Intersil Corporation – Micro Power Programmable Voltage Reference

X60250
X60250 REGISTER BIT MAP
Addr
D7
D6
D5
D4
D3
D2
0
D7
D6
D5
D4
D3
D2
(MSB)
1
D7
D6
D5
D4
D3
D2
(MSB)
7
0
0
0
0
WEL
0
REGISTER DESCRIPTIONS
Reg
0
1
7
Nonvolatile
Y
Y
N
Description
V_OUT wiper setting
General Purpose data storage register
Status register
REGISTER 0 (NONVOLATILE)
This register is used to hold the DCP wiper position, which is given by:
V_OUT
=
V_REF
×
C_-----o_----d_----e_--
255
(with V_REFL = GND)
REGISTER 1 (NONVOLATILE)
This 8 bit register is used for general storage such as date code, temp setting, etc.
STATUS REGISTER
Bit
D - D4
D3
D2 - D0
Value
0
0-1
0
Description
Must remain 0
WEL bit
Must be programmed to "1" for Reg 0 or 1 EEPROM
write. When accessing, only WEL bit may be changed
Must remain 0
D1
D0
D1
D0 (LSB)
D1
D0 (LSB)
0
0
8
FN8146.1
September 14, 2005