MAX6958 Maxim, MAX6958 Datasheet - Page 13

• Manufacturer Part Number: MAX6958
• Description: 2-Wire Interfaced / 3V to 5.5V / 4-Digit / 9-Segment LED Display Drivers with Keyscan
• Manufacturer: Maxim

Table 15. Global Intensity Register Format
Figure 11. Multiplex Timing Diagram
63/64 (max on)
DUTY CYCLE
1/64 (min on)
DRIVER INTENSITY
DIGIT 0 CATHODE
ANODE (UNLIT)
60/64
61/64
62/64
63/64
ANODE (LIT)
9-Segment LED Display Drivers with Keyscan
2/64
3/64
4/64
5/64
6/64
—
SETTINGS
(MAX ON)
(MIN ON)
61/64th
62/16th
63/64th
63/64th
1/64th
2/64th
3/64th
HIGH-Z
HIGH-Z
LOW
LOW
CURRENT SOURCE ENABLED
______________________________________________________________________________________
LOW
LOW
LOW
LOW
LOW
TYPICAL SEGMENT
CURRENT (mA)
HIGH-Z
DIGIT 0
21.56
21.92
22.28
22.64
22.64
2-Wire Interfaced, 3V to 5.5V, 4-Digit,
0.36
0.72
1.08
1.44
1.80
2.16
—
HIGH-Z
HIGH-Z
ONE COMPLETE 1.28ms MULTIPLEX CYCLE AROUND 4 DIGITS
CODE (HEX)
ADDRESS
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
DIGIT 1
DIGIT 0's 320µs MULTIPLEX TIMESLOT
D7
X
X
X
X
X
X
X
X
X
X
X
X
D6
X
X
X
X
X
X
X
X
X
X
X
X
MINIMUM 5µs INTERDIGIT BLANKING INTERVAL
DIGIT 2
D5
—
0
0
0
0
0
0
1
1
1
1
1
D4
—
0
0
0
0
0
0
1
1
1
1
1
D3
—
0
0
0
0
0
0
1
1
1
1
1
DIGIT 3
D2
—
0
0
0
0
1
1
0
1
1
1
1
D1
—
0
0
1
1
0
0
1
0
0
1
1
D0
—
HIGH-Z
HIGH-Z
HIGH-Z
HIGH-Z
0
1
0
1
0
1
1
0
1
0
1
HIGH-Z
HIGH-Z
START OF
NEXT CYCLE
DIGIT 0
HEX CODE
0x3B
0x3C
0x3D
0x00
0x01
0x02
0x03
0x04
0x05
0x3E
0x3F
—
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