參數(shù)資料
型號(hào): MAX6954AAX
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 顯示驅(qū)動(dòng)器
英文描述: Dual 4-Bit Decade And Binary Counters 20-LCCC -55 to 125
中文描述: LED DISPLAY DRIVER, PDSO36
封裝: SSOP-36
文件頁(yè)數(shù): 24/38頁(yè)
文件大?。?/td> 395K
代理商: MAX6954AAX
M
4-Wire Interfac ed, 2.7V to 5.5V LED Display
Driver with I/O Expander and K ey S c an
24
______________________________________________________________________________________
REGISTER DATA
REGISTER
POWER-UP
CONDITION
ADDRESS
CODE
(HEX)
0x01
0x02
0x03
D7
D6
D5
D4
D3
D2
D1
D0
Decode Mode
Global Intensity
Scan Limit
Decode mode enabled
1/16 (min on)
Display 8 digits: 0, 1, 2, 3, 4, 5, 6, 7
Shutdown enabled, blink speed is
slow, blink disabled
Outputs are low
No key scanning, P0 to P4 are all
inputs
Normal operation
None of the keys cause interrupt
None of the keys cause interrupt
None of the keys cause interrupt
None of the keys cause interrupt
All are 16 segment or 7 segment
1/16 (min on)
1/16 (min on)
1/16 (min on)
1/16 (min on)
1/16 (min on)
1/16 (min on)
1/16 (min on)
1/16 (min on)
Blank digit, both planes
Blank digit, both planes
Blank digit, both planes
Blank digit, both planes
Blank digit, both planes
Blank digit, both planes
Blank digit, both planes
Blank digit, both planes
Blank digit, both planes
Blank digit, both planes
Blank digit, both planes
Blank digit, both planes
Blank digit, both planes
Blank digit, both planes
Blank digit, both planes
Blank digit, both planes
No key presses have been detected
No key presses have been detected
No key presses have been detected
No key presses have been detected
Keys are not pressed
Keys are not pressed
Keys are not pressed
Keys are not pressed
1
X
X
1
X
X
1
X
X
1
X
X
1
0
X
1
0
1
1
0
1
1
0
1
Control Register
0x04
0
0
X
X
0
0
0
0
GPIO Data
0x05
X
X
X
0
0
0
0
0
Port Configuration
0x06
0
0
0
1
1
1
1
1
Display Test
Key_A Mask
Key_B Mask
Key_C Mask
Key_D Mask
Digit Type
Intensity10
Intensity32
Intensity54
Intensity76
Intensity10a
Intensity32a
Intensity54a
Intensity76a
Digit 0
Digit 1
Digit 2
Digit 3
Digit 4
Digit 5
Digit 6
Digit 7
Digit 0a
Digit 1a
Digit 2a
Digit 3a
Digit 4a
Digit 5a
Digit 6a
Digit 7a
Key_A Debounced
Key_B Debounced
Key_C Debounced
Key_D Debounced
Key_A Pressed
Key_B Pressed
Key_C Pressed
Key_D Pressed
0x07
0x08
0x09
0x0A
0x0B
0x0C
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x60
0x61
0x62
0x63
0x64
0x65
0x66
0x67
0x68
0x69
0x6A
0x6B
0x6C
0x6D
0x6E
0x6F
0x88
0x89
0x8A
0x8B
0x8C
0x8D
0x8E
0x8F
X
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
0
X
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
0
X
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
0
0
0
0
X
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
0
X
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
0
X
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
0
X
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
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
0
0
0
Table 15. Initial Power-Up Register Status
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