參數(shù)資料
型號: MAX6954
廠商: Maxim Integrated Products, Inc.
元件分類: 通用總線功能
英文描述: Dual 4-Bit Decade And Binary Counters 16-CFP -55 to 125
中文描述: 4線接口、2.7V至5.5V LED顯示驅(qū)動器,帶有輸入/輸出擴展器及鍵掃描
文件頁數(shù): 26/38頁
文件大?。?/td> 395K
代理商: MAX6954
M
4-Wire Interfac ed, 2.7V to 5.5V LED Display
Driver with I/O Expander and K ey S c an
26
______________________________________________________________________________________
REGISTER DATA
D5
D4
R
T
MODE
D7
P
D6
0
D3
E
D2
B
D1
X
D0
S
Intensity for all digits is controlled by one setting in the global intensity register.
Intensity for digits is controlled by the individual settings in the intensity10 and
intensity76 registers.
Table 24. Blink Phase Readback (P Data Bit D7) Format
P
1
R
T
E
B
X
S
Table 23. Global Intensity (I Data Bit D6) Format
REGISTER DATA
D4
T
T
MODE
D7
0
1
D6
I
I
D5
R
R
D3
E
E
D2
B
B
D1
X
X
D0
S
S
P1 Blink Phase
P0 Blink Phase
Table 25. Scan-Limit Register Format
REGISTER DATA
D4
X
X
X
X
X
X
X
X
SCAN
LIMIT
ADDRESS CODE
(HEX)
D7
X
X
X
X
X
X
X
X
D6
X
X
X
X
X
X
X
X
D5
X
X
X
X
X
X
X
X
D3
X
X
X
X
X
X
X
X
D2
0
0
0
0
1
1
1
1
D1
0
0
1
1
0
0
1
1
D0
0
1
0
1
0
1
0
1
HEX
CODE
Display Digit 0 only
Display Digits 0 and 1
Display Digits 0 1 2
Display Digits 0 1 2 3
Display Digits 0 1 2 3 4
Display Digits 0 1 2 3 4 5
Display Digits 0 1 2 3 4 5 6
Display Digits 0 1 2 3 4 5 6 7
Table 26. Global Intensity Register Format
0x03
0x03
0x03
0x03
0x03
0x03
0x03
0x03
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
REGISTER DATA
DUTY
CYCLE
TYPICAL
SEGMENT
CURRENT (mA)
ADDRESS
CODE (HEX)
D7
D6
D5
D4
D3
D2
D1
D0
HEX
CODE
1/16 (min on)
2/16
3/16
4/16
5/16
6/16
7/16
8/16
9/16
10/16
11/16
12/16
13/16
14/16
15/16
15/16 (max on)
2.5
5
7.5
10
12.5
15
17.5
20
22.5
25
27.5
30
32.5
35
37.5
37.5
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
0x02
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
0
0
0
0
0
0
1
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
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0xX0
0xX1
0xX2
0xX3
0xX4
0xX5
0xX6
0xX7
0xX8
0xX9
0xXA
0xXB
0xXC
0xXD
0xXE
0xXF
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