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ADP5589CP-EVALZ Datasheet(PDF) 43 Page - Analog Devices

Part No. ADP5589CP-EVALZ
Description  Keypad Decoder and I/O Expansion
Download  52 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP5589CP-EVALZ Datasheet(HTML) 43 Page - Analog Devices

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Data Sheet
ADP5589
Rev. B | Page 43 of 52
CLOCK_DIV_CFG Register 0x43
Table 75. CLOCK_DIV_CFG Bit Descriptions
Bits
Name
R/W
Description
7
Reserved.
6
CLK_INV
R/W
Inverts the divided down clock signal.
[5: 1]
CLK_DIV[4:0]
R/W
Defines the divide down scale of the externally supplied clock.
00000 = divide by 1 (pass-through).
00001 = divide by 2.
00010 = divide by 3.
00011 = divide by 4.
11111 = divide by 32.
0
CLK_DIV_EN
R/W
Enables the clock divider circuit to divide down the externally supplied clock signal.
LOGIC_1_CFG Register 0x44
Table 76. LOGIC_1_CFG Bit Descriptions
Bits
Name
R/W
Description
7
Reserved.
6
LY1_INV
R/W
0 = LY1 output not inverted before passing into Logic Block 1.
1 = inverts output LY1 from Logic Block 1.
5
LC1_INV
R/W
0 = LC1 input not inverted before passing into Logic Block 1.
1 = inverts input LC1 before passing it into Logic Block 1.
4
LB1_INV
R/W
0 = LB1 input not inverted before passing into Logic Block 1.
1 = inverts input LB1 before passing it into Logic Block 1.
3
LA1_INV
R/W
0 = LA1 input not inverted before passing into Logic Block 1.
1 = inverts input LA1 before passing it into Logic Block 1.
[2: 0]
LOGIC1_SEL[2:0]
R/W
Configures the digital mux for Logic Block 1.
000 = off/disable.
001 = AND1.
010 = OR1.
011 = XOR1.
100 = FF1.
101 = IN_LA1.
110 = IN_LB1.
111 = IN_LC1.
LOGIC_2_CFG Register 0x45
Table 77. LOGIC_2_CFG Bit Descriptions
Bits
Name
R/W
Description
7
LY1_CASCADE
R/W
0 = use Input LA2 for Logic Block 2.
1 = use Output LY1 from Logic Block 1 instead of LA2 as the input for Logic Block 2.
The R0 pin can be used as GPIO or key when cascade is in use.
6
LY2_INV
R/W
0 = LY2 input not inverted before passing into Logic Block 2.
1 = inverts Output LY2 from Logic Block 2.
5
LC2_INV
R/W
0 = LC2 input not inverted before passing into Logic Block 2.
1 = inverts Input LC2 before passing it into Logic Block 2.
4
LB2_INV
R/W
0 = LB2 input not inverted before passing into Logic Block 2.
1 = inverts Input LB2 before passing it into Logic Block 2.
3
LA2_INV
R/W
0 = LA2 input not inverted before passing into Logic Block 2.
1 = inverts Input LA2 before passing it into Logic Block 2.


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