参数资料
型号: MAX7347ATE+T
厂商: Maxim Integrated Products
文件页数: 4/29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
MAX7347/MAX7348/MAX7349
2-Wire Interfaced Low-EMI Key Switch
and Sounder Controllers
12
______________________________________________________________________________________
REGISTER DATA
REGISTER
FUNCTION
POWER-UP CONDITION
ADDRESS
CODE (hex)
D7
D6
D5
D4
D3
D2
D1
D0
Keys FIFO
Empty
0x00
00000000
Debounce
Ports 2–7 are enabled; debounce time is 39ms
0x01
11111111
Autorepeat
Autorepeat is disabled
0x02
00000000
Interrupt
INT is a port, not an interrupt output
0x03
00000000
Configuration
Shutdown mode: key sound is disabled; alert sound is
disabled; alert
INT is disabled; timeout enabled; no
sound output
0x04
00000001
Ports
Ports 2–7 and
INT are logic-high (high impedance)
0x05
1111111
X
Key Sound
Key-sound default is 31.25ms of 987.77Hz
0x06
01010001
Alert Sound
Key-sound default is 250ms of 2093Hz
0x07
10111011
Table 5. Key-Scan Power-Up Configuration
REGISTER DATA
POWER-UP CONDITION
D7
D6
D5
D4
D3
D2
D1
D0
Sounder output is a general-purpose output, logic 0; queue is empty
0
Table 6. Sounder Power-Up Configuration
SA
AA
P
0
SLAVE ADDRESS
COMMAND BYTE
DATA BYTE
N BYTES
AUTOINCREMENT
COMMAND BYTE ADDRESS
D7
D6
D5
D4
D3
D2
D1
D0
D1
D0
D3
D2
D5
D4
D7
D6
ACKNOWLEDGE FROM MAX7347/MAX7348/MAX7349
R/W
Figure 9. N Data Bytes Received
X
= Don’t care.
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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