參數(shù)資料
型號(hào): 5962-9169201QXC
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: ADC
英文描述: 2-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CDIP28
封裝: CERAMIC, DIP-28
文件頁(yè)數(shù): 21/39頁(yè)
文件大?。?/td> 334K
代理商: 5962-9169201QXC
MAX6954
4-Wire Interfaced, 2.7V to 5.5V LED Display
Driver with I/O Expander and Key Scan
28
______________________________________________________________________________________
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)
2.5
0x10 to 0x17
0
0x0X
2/16
5
0x10 to 0x17
0
1
0x1X
3/16
7.5
0x10 to 0x17
0
1
0
0x2X
4/16
10
0x10 to 0x17
0
1
0x3X
5/16
12.5
0x10 to 0x17
0
1
0
0x4X
6/16
15
0x10 to 0x17
0
1
0
1
0x5X
7/16
17.5
0x10 to 0x17
0
1
0
0x6X
8/16
20
0x10 to 0x17
0
1
0x7X
9/16
22.5
0x10 to 0x17
1
0
0x8X
10/16
25
0x10 to 0x17
1
0
1
0x9X
11/16
27.5
0x10 to 0x17
1
0
1
0
0xAX
12/16
30
0x10 to 0x17
1
0
1
0xBX
13/16
32.5
0x10 to 0x17
1
0
0xCX
14/16
35
0x10 to 0x17
1
0
1
0xDX
15/16
37.5
0x10 to 0x17
1
0
0xEX
15/16 (max on)
37.5
0x10 to 0x17
1
See Table 28.
0xFX
Table 29. Odd Individual Segment Intensity Format
REGISTER DATA
MODE
ADDRESS
CODE (HEX)
D7
D6
D5
D4
D3
D2
D1
D0
Write GPIO Data
0x05
X
P4
P3
P2
P1
P0
Read GPIO Data
0x85
0
P4 or IRQ status
P3
P2
P1
P0
Table 30. GPIO Data Register
KEYS
SCANNED
PORTS
AVAILABLE
P0
P1
P2
P3
P4
None
5 pins
GPIO
1 to 8
3 pins
Key_A
GPIO
IRQ
9 to 16
2 pins
Key_A
Key_B
GPIO
IRQ
17 to 24
1 pin
Key_A
Key_B
Key_C
GPIO
IRQ
25 to 36
None
Key_A
Key_B
Key_C
Key_D
IRQ
Table 31. Port Scanning Function Allocation
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