參數(shù)資料
型號(hào)： MAX1497EPI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： 3.5- and 4.5-Digit, Single-Chip ADCs with LED Drivers and レC Interface
中文描述： 1-CH PROPRIETARY METHOD ADC, PDIP28
封裝： 0.600 INCH, PLASTIC, MS-011AB, DIP-28
文件頁(yè)數(shù)： 21/33頁(yè)
文件大?。?/td> 665K
代理商： MAX1497EPI
M
3.5- and 4.5-Digit, Single-Chip ADCs with LED
Drivers and μC Interface
______________________________________________________________________________________
21
Default values:
8300h (for 3.5-digit, -2000)
B1E0h (for 4.5-digit, -20,000)
The underrange data register is 16-bit read/write regis-
ter (D15 is the MSB). When the conversion result falls
below the value in the underrange register, the UNDR
bit in the status register sets to 1. The LED shows a -1
followed by four dashes for the MAX1499 or a -1 fol-
lowed by three dashes for the MAX1497 (Table 4).
The data is represented in two’s complement format.
Default values: 0000h
Underrange Register (Read/Write)
MSB
D15
LSB
D0
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
LED Segment-Display Register 1 (Read/Write)
MSB
Bit 15
A1
Bit 14
G1
Bit 13
D1
Bit 1
F1
Bit 11
E1
Bit 10
DP2
Bit 9
X
Bit 8
B0
LSB
Bit 0
0
Bit 7
C0
Bit 6
A0
Bit 5
G0
Bit 4
D0
Bit 3
F0
Bit 2
E0
Bit 1
DP1
LED segment-display register 1 is a 16-bit read/write
register. When the LED bit (in the control register) is set
to 1, the MAX1497/MAX1499 provide direct access to
individual LED segments. The bits in the LED segment-
display register determine if a segment is on or off.
Write a zero to turn on a segment and a 1 to turn off a
segment.
DP1
:
Segment DP driver bit of digit 1. The default value
turns on the LED segment.
E0
:
Segment E driver bit of digit 0. The default value
turns on the LED segment.
F0
:
Segment F driver bit of digit 0. The default value
turns on the LED segment.
D0
:
Segment D driver bit of digit 0. The default value
turns on the LED segment.
G0
:
Segment G driver bit of digit 0. The default value
turns on the LED segment.
A0
:
Segment A driver bit of digit 0. The default value
turns on the LED segment.
C0
:
Segment C driver bit of digit 0. The default value
turns on the LED segment.
B0
:
Segment B driver bit of digit 0. The default value
turns on the LED segment.
X:
Don’t care.
DP2
:
Segment DP driver bit of digit 2. The default value
turns on the LED segment.
E1
:
Segment E driver bit of digit 1. The default value
turns on the LED segment.
F1
:
Segment F driver bit of digit 1. The default value
turns on the LED segment.
D1
:
Segment D driver bit of digit 1. The default value
turns on the LED segment.
G1
:
Segment G driver bit of digit 1. The default value
turns on the LED segment.
A1
:
Segment A driver bit of digit 1. The default value
turns on the LED segment.
相關(guān)PDF資料
PDF描述
MAX1497 3.5- and 4.5-Digit. Single-Chip ADCs with LED Drivers and 礐 Interface
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參數(shù)描述
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