參數(shù)資料
型號(hào): ADP5587ACPZ-R7
廠商: Analog Devices Inc
文件頁(yè)數(shù): 14/24頁(yè)
文件大?。?/td> 0K
描述: IC EXPANDER/KEYBOARD CTRLR
標(biāo)準(zhǔn)包裝: 1
類型: I²C 端口擴(kuò)展器
應(yīng)用: 移動(dòng)電話
安裝類型: 表面貼裝
封裝/外殼: 24-WFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 24-LFCSP-WQ(4x4)
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面: 799 (CN2011-ZH PDF)
配用: ADP5587CP-EVALZ-ND - EVAL BOARD FOR ADP5587
其它名稱: ADP5587ACPZ-R7DKR
Data Sheet
ADP5587
Rev. D | Page 21 of 24
APPLICATIONS INFORMATION
CONTROL
REGISTERS
HOST
PROCESSOR
CONTROL
INTERFACE
R7
R6
R5
R4
R3
R2
R1
R0
C0
C1
C2
C3
C4
C5
C6
C7
C9
C8
ENABLE 2 (GPO)
BACKLIGHT
ENABLE (GPO)
A0
A1
A2
A3
A4
A5
A6
A7
B0
B1
B2
B3
B4
B5
B6
B7
C0
C1
C2
C3
C4
C5
C6
C7
D0
D1
D2
D3
D4
D5
D6
D7
E0
E1
E2
E3
E4
E5
E6
E7
F0
F1
F2
F3
F4
F5
F6
F7
G0
G1
G2
G3
G4
G5
G6
G7
H0
H1
H2
H3
H4
H5
H6
H7
I0
I1
I2
I3
I4
I5
I6
I7
J0
J1
J2
J3
J4
J5
J6
J7
SCL
SDA
VCC
GND
VCC
SCL
GPI1
GPI2
SDA
RST
INT
19
21
23
22
18
17
20
24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
VCC
BACKLIGHT
DRIVER
PWM OUTPUT
ADP5587
VCC
RST
INT
08612-
015
Figure 19. ADP5587 Detailed Application Block Diagram
APPLICATIONS OVERVIEW
The ADP5587 is designed to complement host processors in
a variety of ways. Its versatility makes it the ideal solution for
mobile platforms that require extended keypads and GPIO
expanders. The programmable registers give the designer the
flexibility to configure any or all of its GPIOs in a variety of
ways. Figure 19 shows a detailed application diagram.
KEYPAD CURRENT
Keypad current drain varies based on how many keys and how
many rows and columns are pressed during multiple key
presses. Table 34 shows the typical current drain for a single key
press and for two key presses.
Table 34. Typical Current Drain
Number of Key Presses
Conditions1
Typical
Unit
1
VCC = 1.8 V to 3.0 V
55
μA
2
VCC = 1.8 V to 3.0 V
100
μA
1
TA = TJ = 40°C to +85°C.
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ADP5588 制造商:AD 制造商全稱:Analog Devices 功能描述:Keypad I/O Expander
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ADP5588ACPZ-R7B2 功能描述:Keypads and Alarm Systems Interface 24-LFCSP-WQ (4x4) 制造商:analog devices inc. 系列:- 包裝:帶卷(TR) 零件狀態(tài):上次購(gòu)買時(shí)間 應(yīng)用:鍵盤和警報(bào)系統(tǒng) 接口:I2C 電壓 - 電源:1.8 V ~ 3 V 封裝/外殼:24-WFQFN 裸露焊盤,CSP 供應(yīng)商器件封裝:24-LFCSP-WQ(4x4) 安裝類型:表面貼裝 標(biāo)準(zhǔn)包裝:1
ADP5588-EVALZ 功能描述:BOARD EVAL ADP5588 KEYPAD/GPIO RoHS:是 類別:編程器,開發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 主要目的:電信,線路接口單元(LIU) 嵌入式:- 已用 IC / 零件:IDT82V2081 主要屬性:T1/J1/E1 LIU 次要屬性:- 已供物品:板,電源,線纜,CD 其它名稱:82EBV2081