參數(shù)資料
型號: ADP5588-EVALZ
廠商: Analog Devices Inc
文件頁數(shù): 14/28頁
文件大?。?/td> 0K
描述: BOARD EVAL ADP5588 KEYPAD/GPIO
標(biāo)準(zhǔn)包裝: 1
主要目的: 接口,GPIO 擴(kuò)展器
嵌入式:
已用 IC / 零件: ADP5588
主要屬性: 8 位 18 端口 GPIO 擴(kuò)展器
次要屬性: I²C 接口
已供物品:
Data Sheet
ADP5588
Rev. C | Page 21 of 28
COMPARATOR REGISTER DESCRIPTIONS
Table 37. CMP_CFG_STAT—Register 0x30 (Comparator Configuration and Status Register)
Field
Bit
Description
CMP2_L3_OUT
7
Sensor 2 Comparator L3 output.
0: Ambient light is greater than Level 3 (dark).
1: L3_CMP has detected a change in ambient light from Level 2 (office) to L3 (dark).
CMP2_L2_OUT
6
Sensor 2 Comparator L2 output.
0: Ambient light is greater than Level 2 (office).
1: L2_CMP has detected a change in ambient light from Level 1 (outdoor) to L2 (office).
CMP1_L3_OUT
5
Sensor 1 Comparator L3 output.
0: Ambient light is greater than Level 3 (dark).
1: L3_CMP has detected a change in ambient light from Level 2 (office) to L3 (dark).
CMP1_L2_OUT
4
Sensor 1 Comparator L2 output.
0: Ambient light is greater than Level 2 (office).
1: L2_CMP has detected a change in ambient light from Level 1 (outdoor) to L2 (office).
CMP2_IEN
3
Sensor 2 comparator interrupt.
0: Interrupt disabled.
1: Interrupt enabled.
CMP1_IEN
2
Sensor 1 comparator interrupt.
0: Interrupt disabled.
1: Interrupt enabled.
CMP2_EN
1
Sensor 2 comparator input.
0: Input disabled.
1: Input enabled.
CMP1_EN
0
Sensor 1 comparator input.
0: Input disabled.
1: Input enabled.
Table 38. CMP_CONFG_SENS1—Register 0x31 (Sensor 1 Comparator Configuration Register)
Field
Bit
Description
[7:6]
Not used.
FILT (2-0)
[5:3]
Programs the number of consecutive measurements required to transition the L2 and L3 levels.
FILT
Number Required
Approximate Time (sec)
000
1
0.08
001
2
0.16
010
4
0.32
011
8
0.64
100
16
1.28
101
32
2.56
110
64
5.12
111
128
10.24
FORCE_RD
2
1: Forces a read of the light sensor; reset by the internal state machine after conversion is complete and
L2_OUT and L3_OUT are valid.1
L3_EN
1
1: Enables the L3 comparator for Sensor 1 input.
0: Disables the L3 comparator for Sensor 1 input.
L2_EN
0
1: Enables the L2 comparator for Sensor 1 input.
0: Disables the L2 comparator for Sensor 1 input.
Note that the L3 comparator has priority over the L2 comparator.
1 When the software forces a conversion, the state machine clears the forced bit after the conversion is done and the proper registers have been updated.
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