MAX6953 データシートの表示（PDF） - Maxim Integrated
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MAX6953 Datasheet PDF : 23 Pages
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2-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5 ✕ 7
Matrix LED Display Driver
Table 4. Command Address Autoincrement Rules
COMMAND BYTE
ADDRESS RANGE
x0000000 to x0000100
x0000101
x0000110
x000111 to x1111110
x1111111
AUTOINCREMENT BEHAVIOR
Command byte address autoincrements after byte read or written.
Command byte address remains at x0000101 after byte read or written, but the font
address pointer autoincrements.
Factory reserved; do not write to this register.
Command byte address autoincrements after byte read or written.
Command byte address remains at x1111111 after byte read or written.
Table 5. Register Address Map
REGISTER
No-Op
Intensity10
Intensity32
Scan Limit
Configuration
User-Defined Fonts
Factory Reserved. Do not write to this.
Display Test
Digit 0 Plane P0
Digit 1 Plane P0
Digit 2 Plane P0
Digit 3 Plane P0
Digit 0 Plane P1
Digit 1 Plane P1
Digit 2 Plane P1
Digit 3 Plane P1
Write Digit 0 Planes P0 and P1 with Same Data
(Reads as 0x00)
Write Digit 1 Planes P0 and P1 with Same Data
(Reads as 0x00)
Write Digit 2 Planes P0 and P1 with Same Data
(Reads as 0x00)
Write Digit 3 Planes P0 and P1 with Same Data
(Reads as 0x00)
COMMAND ADDRESS
HEX
CODE
D15
D14 D13 D12 D11 D10 D9 D8
—
X
0
0
0
0
0
0
0
0x00
X
0
0
0
0
0
0
1
0x01
X
0
0
0
0
0
1
0
0x02
X
0
0
0
0
0
1
1
0x03
X
0
0
0
0
1
0
0
0x04
X
0
0
0
0
1
0
1
0x05
X
0
0
0
0
1
1
0
0x06
X
0
0
0
0
1
1
1
0x07
X
0
1
0
0
0
0
0
0x20
X
0
1
0
0
0
0
1
0x21
X
0
1
0
0
0
1
0
0x22
X
0
1
0
0
0
1
1
0x23
X
1
0
0
0
0
0
0
0x40
X
1
0
0
0
0
0
1
0x41
X
1
0
0
0
0
1
0
0x42
X
1
0
0
0
0
1
1
0x43
X
1
1
0
0
0
0
0
0x60
X
1
1
0
0
0
0
1
0x61
X
1
1
0
0
0
1
0
0x62
X
1
1
0
0
0
1
1
0x63
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