MAX6850 MAXIM [Maxim Integrated Products], MAX6850 Datasheet - Page 17

• Manufacturer Part Number: MAX6850
• Description: 4-Wire Interfaced, 7-, 14-, and 16-Segment Alphanumeric Vacuum-Fluorescent Display Controller
• Manufacturer: MAXIM [Maxim Integrated Products]

4-Wire Interfaced, 7-, 14-, and 16-Segment Alpha-
Table 15. Annunciator Registers Format
Table 16. Configuration Register Format
Table 17. Shutdown Control (S Data Bit
D0) Format
Shutdown
Normal operation
Configuration
register
Annunciator A1 is off.
Annunciator A1 is lit only for the first half of each blink
period.
Annunciator A1 is lit only for the second half of each blink
period.
Annunciator A1 is lit continuously.
Annunciator A2 is off.
Annunciator A2 is lit only for the first half of each blink
period.
Annunciator A2 is lit only for the second half of each blink
period.
Annunciator A2 is lit continuously.
Annunciator A3 is off.
Annunciator A3 is lit only for the first half of each blink
period.
Annunciator A3 is lit only for the second half of each blink
period.
Annunciator A3 is lit continuously.
Annunciator A4 is off.
Annunciator A4 is lit only for the first half of each blink
period.
Annunciator A4 is lit only for the second half of each blink
period.
Annunciator A4 is lit continuously.
numeric Vacuum-Fluorescent Display Controller
MODE
MODE
D7
P
ANNUNCIATOR BYTE
BIT ALLOCATIONS
______________________________________________________________________________________
D7
P
P
D6
M
D6
M
M
D5
R
REGISTER DATA
D5
REGISTER DATA
R
R
D4
T
D4
T
T
D3
F
D3
F
F
D2
B
D2
B
B
D1
L
D1
L
L
D0
D0
S
0
1
ANNUNCIATOR
D7
X
X
X
X
X
X
X
X
X
X
X
X
0
0
1
1
A4
Table 18. Configuration Lock (L Data Bit
D1) Format
D6
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
Unlocked
Locked
MODE
ANNUNCIATOR
D5
X
X
X
X
X
X
X
X
0
0
1
1
X
X
X
X
A3
REGISTER DATA
D7
P
P
D4
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
D6
M
M
ANNUNCIATOR
D3
X
X
X
X
0
0
1
1
X
X
X
X
X
X
X
X
D5
REGISTER DATA
R
R
A2
D4
T
T
D2
X
X
X
X
0
1
0
1
X
X
X
X
X
X
X
X
D3
F
F
ANNUNCIATOR
D2
D1
B
B
0
0
1
1
X
X
X
X
X
X
X
X
X
X
X
X
A1
D1
0
1
D0
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
D0
S
S
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