參數(shù)資料
型號: MAX6954APL
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 顯示驅動器
英文描述: 4-Wire Interfaced, 2.7V to 5.5V LED Display Driver with I/O Expander and Key Scan
中文描述: LED DISPLAY DRIVER, PDIP40
封裝: PLASTIC, DIP-40
文件頁數(shù): 13/38頁
文件大?。?/td> 395K
代理商: MAX6954APL
M
4-Wire Interfac ed, 2.7V to 5.5V LED Display
Driver with I/O Expander and K ey S c an
______________________________________________________________________________________
13
ADDRESS (COMMAND BYTE)
D13
D12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
REGISTER
D15
R/
W
R/
W
R/
W
R/
W
R/
W
R/
W
R/
W
R/
W
D14
0
0
0
0
0
0
0
0
D11
0
0
0
0
0
0
0
0
D10
0
0
0
0
1
1
1
1
D9
0
0
1
1
0
0
1
1
D8
0
1
0
1
0
1
0
1
HEX CODE
No-Op
Decode Mode
Global Intensity
Scan Limit
Configuration
GPIO Data
Port Configuration
Display Test
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
Write KEY_A Mask
Read KEY_A Debounce
R/
W
0
0
0
1
0
0
0
0x08
Write KEY_B Mask
Read KEY_B Debounce
R/
W
0
0
0
1
0
0
1
0x09
Write KEY_C Mask
Read KEY_C Debounce
R/
W
0
0
0
1
0
1
0
0x0A
Write KEY_D Mask
Read KEY_D Debounce
R/
W
0
0
0
1
0
1
1
0x0B
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)
*
Do NOT write to register.
R/
W
0
0
0
1
1
0
0
0x0C
1
1
1
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
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0x0D
0x0E
0x0F
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x20
0x21
0x22
0x23
0x24
0x25
0x26
0x27
0x28
0x29
0x2A
0x2B
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
Table 6. Register Address Map
相關PDF資料
PDF描述
MAX6954 Dual 4-Bit Decade And Binary Counters 16-CFP -55 to 125
MAX6954AAX Dual 4-Bit Decade And Binary Counters 20-LCCC -55 to 125
MAX6957 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander
MAX6957AAI 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander
MAX6957AAX 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander
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