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参数资料
| 型号： | MAX7349AWG |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PDSO24 |
| 封装： | 0.300 INCH, MS-013AD, SOIC-24 |
| 文件页数： | 14/28页 |
| 文件大小： | 760K |
| 代理商： | MAX7349AWG |
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MAX7347/MAX7348/MAX7349
2-Wire Interfaced Low-EMI Key Switch and
Sounder Controllers
______________________________________________________________________________________
21
REGISTER DATA
REGISTER
ADDRESS
CODE (hex)
D7
D6
D5
D4
D3
D2
D1
D0
This 8-bit value is passed to sounder controller on the falling
edge of the alert input; these 7 bits define duration and
frequency only; sounder command bit D0 is ignored and
fixed internally at 1; if an alert sound is sent as 000xxxxx
(continuous), then the command is stored as 111xxxxx
(1000 ms)
0x07
7-bit value (see Table 16 for functionality)
1
Power-up default setting
0x07
10
11
101
1
Table 15. Alert Sound Register Format
REGISTER DATA
REGISTER
D7
D6
D5
D4
D3
D2
D1
D0
SOUNDER REGISTER
READ
WRITE
DURATION
FREQUENCY
LEVEL
BUFFER
No commands are active; OR output is GPO logic 0
Read
000
00
0
00
This current command is active, none are queued (so another
command may be sent)
Read
DURATION
FREQUENCY
LEVEL
0
This current command is active, and another command is in
the queue
Read
DURATION
FREQUENCY
LEVEL
1
Perform this command, terminating and clearing any previous
active command, command queue, and autoloop; new
command is now active, and queue is now empty
Write
XXX
XX
X
X0
Add command to queue if not full; command replaces queued
command if queue is full
Write
XXX
XX
X
X1
Configure sounder output as general-purpose output, logic 0
(clear queue; sounder output active low with continuous
duration, ie, until a buffer = 0 command)
Write
000
00
0
00
Configure sounder output as general-purpose output, logic 1
(clear queue; sounder output active high with continuous
duration, ie, until a buffer = 0 command)
Write
000
00
0
10
Autoloop using the current two commands; the active
command is command 1, and the inactive command is
command 2; if no command is active, the oldest command is
reactivated as command 1, and the other command is re-
activated as command 2
Write
000
00
0
01
Autoloop is halted at the end of command 2, and output idles
as defined by command 2
Write
000
00
0
11
Table 16. Sounder Register Format
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相关代理商/技术参数 |
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|---|---|
| MAX7349EVKIT | 功能描述:接口 - 专用 Evaluation Kit for the MAX7349/Emulates: MAX7347/MAX7348 RoHS:否 制造商:Texas Instruments 产品类型:1080p60 Image Sensor Receiver 工作电源电压:1.8 V 电源电流:89 mA 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:BGA-59 |
| MAX734C/D | 功能描述:直流/直流开关调节器 +12V 120mA Flash Memory Programming Supply RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX734C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX734CPA | 功能描述:直流/直流开关调节器 12V 120mA Flash Mem Programming Supply RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX734CPA+ | 功能描述:直流/直流开关调节器 12V 120mA Flash Mem Programming Supply RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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