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ADP5520 Datasheet(PDF) 33 Page - Analog Devices

Part # ADP5520
Description  Backlight Driver with I/O Expander
PDF  40 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP5520 Datasheet(HTML) 33 Page - Analog Devices

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ADP5520
Rev. 0 | Page 33 of 40
Bit
Mnemonic
R/W
Description
4
KR_L_ISTAT
R
0 = no interrupt detected.
1 = interrupt due to Key L release. Bit cleared on read.
3
KR_M_ISTAT
R
0 = no interrupt detected.
1 = interrupt due to Key M release. Bit cleared on read.
2
KR_N_ISTAT
R
0 = no interrupt detected.
1 = interrupt due to Key N release. Bit cleared on read.
1
KR_O_ISTAT
R
0 = no interrupt detected.
1 = interrupt due to Key O release. Bit cleared on read.
0
KR_P_ISTAT
R
0 = no interrupt detected.
1 = interrupt due to Key P release. Bit cleared on read.
Table 44. Register 0x24, Key Status 1 (KEY_STAT_1)
Bit
Mnemonic
R/W
Description
7
KEY_A_STAT
R
0 = Key A is currently released.
1 = Key A is currently pressed.
6
KEY_B_STAT
R
0 = Key B is currently released.
1 = Key B is currently pressed.
5
KEY_C_STAT
R
0 = Key C is currently released.
1 = Key C is currently pressed.
4
KEY_D_STAT
R
0 = Key D is currently released.
1 = Key D is currently pressed.
3
KEY_E_STAT
R
0 = Key E is currently released.
1 = Key E is currently pressed.
2
KEY_F_STAT
R
0 = Key F is currently released.
1 = Key F is currently pressed.
1
KEY_G_STAT
R
0 = Key G is currently released.
1 = Key G is currently pressed.
0
KEY_H_STAT
R
0 = Key H is currently released.
1 = Key H is currently pressed.
Table 45. Register 0x25, Key Status 2 (KEY_STAT_2)
Bit
Mnemonic
R/W
Description
7
KEY_I_STAT
R
0 = Key I is currently released.
1 = Key I is currently pressed.
6
KEY_J_STAT
R
0 = Key J is currently released.
1 = Key J is currently pressed.
5
KEY_K_STAT
R
0 = Key K is currently released.
1 = Key K is currently pressed.
4
KEY_L_STAT
R
0 = Key L is currently released.
1 = Key L is currently pressed.
3
KEY_M_STAT
R
0 = Key M is currently released.
1 = Key M is currently pressed.
2
KEY_N_STAT
R
0 = Key N is currently released.
1 = Key N is currently pressed.
1
KEY_O_STAT
R
0 = Key O is currently released.
1 = Key O is currently pressed.
0
KEY_P_STAT
R
0 = Key P is currently released.
1 = Key P is currently pressed.



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