无线门铃应用方案
功能描述
功能描述(可定制功能与音乐风格)
IOH3:选曲键,可互打断,共38首。
IOA0:播放键,播放当前曲目一遍,不可打断。
IOA1:DATA键,通信端口(协议内容详见以下)。
IOA2:LED灯: LED灯随着四种模式变化。
(备注:模式1:有音乐+3HZ闪烁;模式2:有音乐+无闪灯;模式3:无音乐+有闪灯;模式4:有音乐+灯常亮。)
电路图
芯片参数
1.1Absolute Maximum Rating
Symbol | Parameter | Rated Value | Unit |
Vdd-Vss | Supply voltage | -0.5〜 +7.5 | V |
Vin | Input voltage | Vss-0.3〜Vdd+0.3 | V |
Top | Operating Temperature | 0〜+ 70 | ℃ |
Tst | Storage Temperature | -25 〜+ 85 | ℃ |
1.2DC Characteristics (TA=25ºC, unless otherwise specified)
Symbol | Parameter | VDD | Min. | Typ. | Max. | Unit | Condition | |
VDD | Operating voltage | - | 3.0 | 4.5 | 5.5 | V | CPU_CLK=32MHz | |
2.7 | 4.5 | 5.5 | CPU_CLK=24MHz | |||||
2.2 | 3.0 | 5.5 | CPU_CLK=16MHz | |||||
2.2 | 3.0 | 5.5 | CPU_CLK=12MHz | |||||
2.2 | 3.0 | 5.5 | CPU_CLK=32.768KHz | |||||
lHALT | Halt Current | 3 | 0.1 | uA | CPU stop,allfunctions off, Disabil SP1θ_VDD*1
| |||
4.5 | 0.1 | |||||||
3 | 1.1 | uA | CPU stop,allfunctions off, EnabIe SP1θ_VDD*1
| |||||
4.5 | 1.3 | |||||||
ISB | Standby Current | 3 | 3 | uA | CPUStop,allfunctions off, RTCOn, EnableSP1θ_VDD*1
| |||
4.5 | 4.5 | |||||||
lop |
| SIow MOde | 3 | 58.3 | mA | CPU_CLK=32.768KHz,Enabie SP1θ_VDD*1
| ||
4.5 | 75 | |||||||
Norma lMode | 3 | 6.1 | mA | CPU_CLK=12MHz,Core_LDO=2.3V Enable SP1θ_VDD*2
| ||||
3 | 7.5 | CPU_CLK=16MHz,Core_LDO=2.3V Enable SP1θ_VDD*2 | ||||||
4.5 | 12.0 | CPU_CLK=24MHz,Core_LDO=2.7V Enable SP1θ_VDD*2 | ||||||
4.5 | 19.1 | CPU_CLK=32MHz,Core_LDO=3.3V Enable SP1θ_VDD*2 | ||||||
LIL | Input current | Weak (1MΩ) | 3 | -2.7 | mA | VlL=OV | ||
4.5 | -7.2 | |||||||
Strong (100KΩ) | 3 | -30 | ||||||
4.5 | -78 | |||||||
SDC pad (20KΩ) | 3 | -144 | ||||||
4.5 | -215 | |||||||
IOH | Normaldrive current (PA.PB[7:6][15:12])
| 3 | -8.7 | mA
| VOH=2.0V | |||
4.5 | -13.7 | VOH=3.5V | ||||||
Normaldrive current (SP1θ,SP11,SDC)
| 3 | -12.930 | VOH=2.0V | |||||
4.5 | -20.2 | VOH=3.5V | ||||||
Normaldrive current (SP1θ,SP11,SDC)
| 3 | -24.8 | VOH=2.0V | |||||
4.5 | -38.0 | VOH=3.5V | ||||||
IOL
| Normal sink current | 3 | 12.4 | mA
| VOLL=1.0V (CSC,constant sink current not for NX11P21A and NX11M)
| |||
4.5 | 19.2 | |||||||
Large sink current | 3 | 24.3 | ||||||
4.5 | 37.1 | |||||||
Normal constant sink current (PA[15:8])
| 3 | 13 | ||||||
4.5 | 13 | |||||||
Large constant sink current (PA[15:8])
Weak (1MΩ) | 3 | 20 | ||||||
4.5 | 20 | |||||||
ΔF/F
| Frequency deviation by voltage drop (l_HRC=32MHz/24MHz | 4.5 | -0.5 | % | Fosc(4.5v)-Fosc(3.3v) Fosc(4.5v) | |||
Frequency deviation by voltage drop (l_HRC=16MHz/12MHz | 3 | -0.5 | Fosc(3.0v)-Fosc(2.4v) Fosc(3.0v) | |||||
4.5 | -0.5 | Fosc(4.5v)-Fosc(3.0v) Fosc(4.5v) | ||||||
ΔF/F
| Frequency deviation by lot | 3 | -0.5 | 0.5 | % | Fosc(3.0v)-Fosc(3.0v) Ftyp(3.0v) |
*1 Light_Load LDO@SP1θ_VDD is rated 5mA for lowering power consumption@Halt,standby,and slow modes.
*2 Heavy_Load LDO@SP1θ_VDD is rated 40MA for read/erase/write operation to the SPI FIash@Normal mode.
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