MAX6954AAX-T Maxim Integrated Products, MAX6954AAX-T Datasheet - Page 13

• Manufacturer Part Number: MAX6954AAX-T
• Description: LED Drivers 7-, 14-, 16-Segment LED Display Driver,
• Manufacturer: Maxim Integrated Products

Specifications of MAX6954AAX-T

• Number Of Digits: 16
• Number Of Segments: 128
• Low Level Output Current: 935000 uA
• High Level Output Current: 55000 uA
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Supply Current: 30000 uA
• Maximum Power Dissipation: 941 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: SSOP-36
• Minimum Operating Temperature: - 40 C

Table 6. Register Address Map
* Do NOT write to register.
No-Op
Decode Mode
Global Intensity
Scan Limit
Configuration
GPIO Data
Port Configuration
Display Test
Write KEY_A Mask
Read KEY_A Debounce
Write KEY_B Mask
Read KEY_B Debounce
Write KEY_C Mask
Read KEY_C Debounce
Write KEY_D Mask
Read KEY_D Debounce
Write Digit Type
Read KEY_A Pressed
Read KEY_B Pressed*
Read KEY_C Pressed*
Read KEY_D Pressed*
Intensity 10
Intensity 32
Intensity 54
Intensity 76
Intensity 10a (7 Segment Only)
Intensity 32a (7 Segment Only)
Intensity 54a (7 Segment Only)
Intensity 76a (7 Segment Only)
Digit 0 Plane P0
Digit 1 Plane P0
Digit 2 Plane P0
Digit 3 Plane P0
Digit 4 Plane P0
Digit 5 Plane P0
Digit 6 Plane P0
Digit 7 Plane P0
Digit 0a Plane P0 (7 Segment Only)
Digit 1a Plane P0 (7 Segment Only)
Digit 2a Plane P0 (7 Segment Only)
Digit 3a Plane P0 (7 Segment Only)
4-Wire Interfaced, 2.7V to 5.5V LED Display
REGISTER
______________________________________________________________________________________
Driver with I/O Expander and Key Scan
D15
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
1
1
1
D14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
ADDRESS (COMMAND BYTE)
D13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
D12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
D11
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
D10
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
D9
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
D8
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
HEX CODE
0x0C
0x0D
0x0A
0x0B
0x0E
0x2A
0x2B
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0F
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x20
0x21
0x22
0x23
0x24
0x25
0x26
0x27
0x28
0x29
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