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参数资料
| 型号： | MAX7347ATE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/29页 |
| 文件大小： | 0K |
| 描述： | IC CNTRL SW SOUND 16-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 声卡，播放器，记录器 |
| 接口： | I²C |
| 电源电压： | 2.4 V ~ 3.6 V |
| 封装/外壳： | 16-WQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（4x4） |
| 包装： | 带卷 (TR) |
| 安装类型： | 表面贴装 |
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MAX7347/MAX7348/MAX7349
2-Wire Interfaced Low-EMI Key Switch
and Sounder Controllers
______________________________________________________________________________________
17
REGISTER DATA
REGISTER
ADDRESS
CODE (hex)
D7
D6
D5
D4
D3
D2
D1
D0
INTERRUPT REGISTER
0x03
INT
STATUS*
ALERT
EVENT*
KEY-
SCAN
EVENT*
KEY-SCAN INTERRUPT
FREQUENCY
Current
INT is due to key-scan event(s)
0x03
1
0
1
X
Current
INT is due to alert event
0x03
1
0
X
Current
INT is due to both key-scan event(s)
and alert event
0x03
1
X
INT has not been asserted
0x03
0
X
INT has been asserted
0x03
1
ALERT
EVENT
KEY-
SCAN
EVENT
XX
X
INT output pin is NOT asserted; INT output
pin is used as a general-purpose output
called
INT port under control of bit D6 in
ports register;
INT status bits D5, D6, D7 are
still set and cleared in the normal way at the
end of every debounce cycle as if bits D4–D0
were set to 00001
0x03
X
0
Key-scan
INT is asserted at the end of every
debounce cycle, if new key(s) is debounced
0x03
X
0
1
Key-scan
INT is asserted at the end of every
2 debounce cycles, if new key(s) is
debounced
0x03
X
0
1
0
-—
—
Key-scan
INT is asserted at the end of every
29 debounce cycles, if new key(s) is
debounced
0x03
X
1
0
1
Key-scan
INT is asserted at the end of every
30 debounce cycles, if new key(s) is
debounced
0x03
X
1
0
Key-scan
INT is asserted at the end of every
31 debounce cycles, if new key(s) is
debounced
0x03
X
1
Power-up default setting
0x03
00
0
Table 11. Interrupt Register Format
*
Read-only register bits; write data is ignored. Reading the interrupt register does clear an alert event INT, but does not clear a key-
scan event INT. INT caused by key-scan event(s) is cleared when FIFO is emptied.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX7348 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:2-Wire Interfaced Low-EMI Key Switch and Sounder Controllers |
| MAX7348AEP | 功能描述:外围驱动器与原件 - PCI Low-EMI Key Switch & Sounder Controller RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray |
| MAX7348AEP+ | 功能描述:外围驱动器与原件 - PCI Low-EMI Key Switch & Sounder Controller RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray |
| MAX7348AEP+T | 功能描述:外围驱动器与原件 - PCI Low-EMI Key Switch & Sounder Controller RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray |
| MAX7348AEP-T | 功能描述:外围驱动器与原件 - PCI Low-EMI Key Switch & Sounder Controller RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray |
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