參數(shù)資料
型號(hào)： MAX7349AEG+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 13/29頁(yè)
文件大?。?/td> 0K
描述： IC CNTRL SW SOUND 24-QSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 50
應(yīng)用： 聲卡，播放器，記錄器
接口： I²C
電源電壓： 2.4 V ~ 3.6 V
封裝/外殼： 24-SSOP（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 24-QSOP
包裝： 管件
安裝類型： 表面貼裝
MAX7347/MAX7348/MAX7349
2-Wire Interfaced Low-EMI Key Switch
and Sounder Controllers
20
______________________________________________________________________________________
REGISTER DATA
REGISTER
ADDRESS
CODE (hex)
READ
WRITE
D7
D6
D5
D4
D3
D2
D1
D0
READ
PORT 7 PORT 6 PORT 5 PORT 4 PORT 3 PORT 2
INT
PORT
ALERT
INPUT
PORTS REGISTER
0x05
WRITE
PORT 7 PORT 6 PORT 5 PORT 4 PORT 3 PORT 2
INT
PORT
X
Clear port 7 low
0x05
Write
0
X
Set port 7 high (high
impedance)
0x05
Write
1
X
Clear
INT port low;
this setting is ignored
unless the key-scan
INT
functionality is disabled
by setting interrupt
register bits D4 to D0 to
00000
0x05
Write
X
0
X
Set
INT port high (high
impedance); this setting
is ignored unless the
key-scan
INT
functionality is disabled
by setting interrupt
register bits D4 to D0 to
00000
0x05
Write
X
1
X
Alert input level is low
0x05
Read
X
0
Alert input level is high
0x05
Read
X
1
Power-up default
setting
0x05
—
111
1
111
X
Table 13. Ports Register Format (continued)
REGISTER DATA
REGISTER
ADDRESS
CODE (hex)
D7
D6
D5
D4
D3
D2
D1
D0
This-8 bit value is passed to sounder controller when key(s)
debounced, if enabled in the configuration register; these 7
bits define duration and frequency only; sounder command
bit D0 is ignored and fixed internally at 1; if a key sound is
sent as 000xxxxx (continuous), then the command is stored
as 111xxxxx (1000 ms)
0x06
7-bit value (see Table 16 for functionality)
1
Power-up default setting
0x06
01
000
1
Table 14. Key-Sound Register Format
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參數(shù)描述
MAX7349AEG+ 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI Low-EMI Key Switch & Sounder Controller RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
MAX7349AEG+T 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI Low-EMI Key Switch & Sounder Controller RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
MAX7349AEG-T 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI Low-EMI Key Switch & Sounder Controller RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
MAX7349ANG 制造商:Maxim Integrated Products 功能描述:2-WIRE INTERFACED LOW-EMI KEY SWITCHES AND SO - Rail/Tube
MAX7349ATG+ 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI Low-EMI Key Switch & Sounder Controller RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
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