參數(shù)資料
型號(hào)： ADP5588-EVALZ
廠商： Analog Devices Inc
文件頁數(shù)： 15/28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： 否
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： 板
ADP5588
Data Sheet
Rev. C | Page 22 of 28
Table 39. CMP_CONFG_SENS2—Register 0x32 (Sensor 2 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 2 input.
0: Disables the L3 comparator for Sensor 2 input.
L2_EN
0
1: Enables the L3 comparator for Sensor 2 input.
0: Disables the L3 comparator for Sensor 2 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 complete and the proper registers have been updated.
Table 40. CMP1_LVL2_TRIP—Register 0x33 (L2 Light Sensor Reference Level (Output Falling for Sensor 1)
Field
Bit
Description
L2_T7 to L2_T0
[7:0]
Sensor 1 comparator Level 2 (Office) reference. If the comparator input is below this trip point, the
comparator trips and enters Level 2 (office) mode and L2_OUT is set. The programmable range is from 0 μA
to 1000 μA (0 lux to 2550 lux) in steps of 4 μA.
Table 41. CMP1_LVL2_HYS—Register 0x34 (L2 Light Sensor Hysteresis (Active When Output Rising) for Sensor 1)
Field
Bit
Description
L2_H7 to L2_H0
[7:0]
Sensor 1 comparator Level 2 (Office) hysteresis. If the comparator input is above L2_TRP + L2_HYS, the
comparator trips and enters Level 1 (outdoor) mode and L2_OUT is cleared. The programmable range is from
0 μA to 1000 μA (0 lux to 2550 lux) in steps of 4 μA.
Table 42. CMP1_LVL3_TRIP—Register 0x35 (L3 Light Sensor Reference Level (Output Falling for Sensor 1)
Field
Bit
Description
L3_T7 to L3_T0
[7:0]
Sensor 1 comparator Level 3 (Dark) reference. If the comparator input is below L3_TRP, the comparator trips
and enters Level 3 (dark) mode and L3_OUT is set. The programmable range is from 0 μA to 127.5 μA (0 lux to
318.75 lux) in steps of 0.5 μA.
Table 43. CMP1_LVL3_HYS—Register 0x36 (L3 Light Sensor Hysteresis (Active When Output Rising) for Sensor 1)
Field
Bit
Description
L3_H
[7:0]
Sensor 1 comparator Level 3 (Dark) hysteresis. If the comparator input is above L3_TRP + L3_HYS, the
comparator trips and enters Level 2 (office) mode and L3_OUT is cleared. The programmable range is from
0 μA to 127.5 μA (0 lux to 318.75 lux) in steps of 0.5 μA.
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