MAX1492 Maxim, MAX1492 Datasheet - Page 25

• Manufacturer Part Number: MAX1492
• Description: 3.5- and 4.5-Digit / Single-Chip ADCs with LCD Drivers
• Manufacturer: Maxim

DP1:
E1:
F1:
D1:
G1:
A1:
C1:
B1:
Default values: 0000h
The LCD segment-display register 2 is a 16-bit
read/write register. When the SEG-SEL bit (in the con-
trol register) is set to 1, the MAX1492/MAX1494 provide
direct access to individual LCD segments. The bits in
LCD Segment-Display Register 2 (Read/Write):
C2:
B2:
LOWBATT: LOWBATT Driver Bit. The default value
DP3:
E3:
F3:
D3:
G3:
MSB
F4
E4
Segment DP Driver Bit of Digit 1. The
default value turns on the LCD segment.
Segment e Driver Bit of Digit 1. The
default value turns on the LCD segment.
Segment f Driver Bit of Digit 1. The
default value turns on the LCD segment.
Segment d Driver Bit of Digit 1. The
default value turns on the LCD segment.
Segment g Driver Bit of Digit 1. The
default value turns on the LCD segment.
Segment a Driver Bit of Digit 1. The
default value turns on the LCD segment.
Segment c Driver Bit of Digit 1. The
default value turns on the LCD segment.
Segment b Driver Bit of Digit 1. The
default value turns on the LCD segment.
Segment c Driver Bit of Digit 2. The
default value turns on the LCD segment.
Segment b Driver Bit of Digit 2. The
default value turns on the LCD segment.
turns on the LOWBATT annunciator.
Segment DP Driver Bit of Digit 3. The
default value turns on the LCD segment.
Segment e Driver Bit of Digit 3. The
default value turns on the LCD segment.
Segment f Driver Bit of Digit 3. The
default value turns on the LCD segment.
Segment d Driver Bit of Digit 3. The
default value turns on the LCD segment.
Segment g Driver Bit of Digit 3. The
default value turns on the LCD segment.
DP4
______________________________________________________________________________________
MINUS
3.5- and 4.5-Digit, Single-Chip ADCs
B3
C3
A3
G3
the LCD segment-display register determine if a seg-
ment is on or off. Write a 0 to this register to turn on a
segment and a 1 to turn off a segment.
ANN:
DP2:
E2:
F2:
D2:
G2:
A2:
A3:
C3:
B3:
MINUS:
DP4:
E4:
F4:
D3
F3
Custom Annunciator. The default value
turns on the LCD segment.
Segment DP Driver Bit of Digit 2. The
default value turns on the LCD segment.
Segment e Driver Bit of Digit 2. The
default value turns on the LCD segment.
Segment f Driver Bit of Digit 2. The
default value turns on the LCD segment.
Segment d Driver Bit of Digit 2. The
default value turns on the LCD segment.
Segment g Driver Bit of Digit 2. The
default value turns on the LCD segment.
Segment a Driver Bit of Digit 2. The
default value turns on the LCD segment.
Segment a Driver Bit of Digit 3. The
default value turns on the LCD segment.
Segment c Driver Bit of Digit 3. The
default value turns on the LCD segment.
Segment b Driver Bit of Digit 3. The
default value turns on the LCD segment.
Minus-Sign Driver Bit. The default value
turns on the LCD segment.
Segment DP Driver Bit of Digit 4. The
default value turns on the LCD segment
(MAX1494 only).
Segment e Driver Bit of Digit 4. The
default value turns on the LCD segment
(MAX1494 only).
Segment f Driver Bit of Digit 4. The
default value turns on the LCD segment
(MAX1494 only).
with LCD Drivers
E3
DP3
BATT
LOW
B2
C2
LSB
0
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