Datasheet

MAX6953
2-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5
✕
7
Matrix LED Display Driver
______________________________________________________________________________________ 11
COMMAND ADDRESS
HEX
CODE
REGISTER
D15
D14 D13 D12 D11 D10 D9 D8
—
No-Op X 0 0 0 0 0 0 0 0x00
Intensity10 X 0 0 0 0 0 0 1 0x01
Intensity32 X 0 0 0 0 0 1 0 0x02
Scan Limit X 0 0 0 0 0 1 1 0x03
Configuration X 0 0 0 0 1 0 0 0x04
User-Defined Fonts X 0 0 0 0 1 0 1 0x05
Factory Reserved. Do not write to this. X 0 0 0 0 1 1 0 0x06
Display Test X 0 0 0 0 1 1 1 0x07
Digit 0 Plane P0 X 0 1 0 0 0 0 0 0x20
Digit 1 Plane P0 X 0 1 0 0 0 0 1 0x21
Digit 2 Plane P0 X 0 1 0 0 0 1 0 0x22
Digit 3 Plane P0 X 0 1 0 0 0 1 1 0x23
Digit 0 Plane P1 X 1 0 0 0 0 0 0 0x40
Digit 1 Plane P1 X 1 0 0 0 0 0 1 0x41
Digit 2 Plane P1 X 1 0 0 0 0 1 0 0x42
Digit 3 Plane P1 X 1 0 0 0 0 1 1 0x43
Write Digit 0 Planes P0 and P1 with Same Data
(Reads as 0x00)
X11000000x60
Write Digit 1 Planes P0 and P1 with Same Data
(Reads as 0x00)
X11000010x61
Write Digit 2 Planes P0 and P1 with Same Data
(Reads as 0x00)
X11000100x62
Write Digit 3 Planes P0 and P1 with Same Data
(Reads as 0x00)
X11000110x63
Table 5. Register Address Map
COMMAND BYTE
ADDRESS RANGE
AUTOINCREMENT BEHAVIOR
x0000000 to x0000100 Command byte address autoincrements after byte read or written.
x0000101
Command byte address remains at x0000101 after byte read or written, but the font
address pointer autoincrements.
x0000110 Factory reserved; do not write to this register.
x000111 to x1111110 Command byte address autoincrements after byte read or written.
x1111111 Command byte address remains at x1111111 after byte read or written.
Table 4. Command Address Autoincrement Rules