参数资料
型号: PCA9698DGG,512
厂商: NXP Semiconductors
文件页数: 43/48页
文件大小: 0K
描述: IC I/O EXPANDER I2C 40B 56TSSOP
产品培训模块: I²C Bus Fundamentals
特色产品: NXP - I2C Interface
标准包装: 35
接口: I²C
输入/输出数: 40
中断输出:
频率 - 时钟: 1MHz
电源电压: 2.3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 56-TFSOP(0.240",6.10mm 宽)
供应商设备封装: 56-TSSOP
包装: 管件
包括: POR
产品目录页面: 826 (CN2011-ZH PDF)
其它名称: 568-3241-5
935278614512
PCA9698DGG
48
7810C–AVR–10/12
Atmel ATmega328P [Preliminary]
10.6
Watchdog System Reset
When the Watchdog times out, it will generate a short reset pulse of one CK cycle duration. On
the falling edge of this pulse, the delay timer starts counting the Time-out period t
TOUT. Refer to
page 49 for details on operation of the Watchdog Timer.
Figure 10-6. Watchdog System Reset During Operation
10.7
Internal Voltage Reference
ATmega328P features an internal bandgap reference. This reference is used for Brown-out
Detection, and it can be used as an input to the Analog Comparator or the ADC.
10.7.1
Voltage Reference Enable Signals and Start-up Time
The voltage reference has a start-up time that may influence the way it should be used. The
start-up time is given in “System and Reset Characteristics” on page 308. To save power, the
reference is not always turned on. The reference is on during the following situations:
1.
When the BOD is enabled (by programming the BODLEVEL [2:0] Fuses).
2.
When the bandgap reference is connected to the Analog Comparator (by setting the
ACBG bit in ACSR).
3.
When the ADC is enabled.
Thus, when the BOD is not enabled, after setting the ACBG bit or enabling the ADC, the user
must always allow the reference to start up before the output from the Analog Comparator or
ADC is used. To reduce power consumption in Power-down mode, the user can avoid the three
conditions above to ensure that the reference is turned off before entering Power-down mode.
CK
CC
相关PDF资料
PDF描述
PCA9506DGG,512 IC I/O EXPANDER I2C 40B 56TSSOP
PCA9505DGG,112 IC I/O EXPANDER I2C 40B 56TSSOP
ATTINY13-20MUR IC MCU AVR 1K FLASH 10MHZ 20MLF
5-530520-1 CONT.HIGH CURRENT L.P.
5-583875-6 TWIN LEAF CONTACT
相关代理商/技术参数
参数描述
PCA9698DGGS911,51 功能描述:I2C 接口集成电路 40-bit Fm I2C Bus I/O port w/Reset RoHS:否 制造商:NXP Semiconductors 电源电压-最大:5.5 V 电源电压-最小:2.3 V 最大工作频率:400 KHz 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-16
PCA9698DGGT 制造商:NXP Semiconductors 功能描述:I2C GPIO Expander 5.5V 56-Pin TSSOP T/R
PCA9698DGG-T 制造商:NXP Semiconductors 功能描述:I2C GPIO Expander 5.5V 56-Pin TSSOP T/R
PCA96PWS911,118 功能描述:接口-I/O扩展器 8-BIT I2C FM QB RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel
PCA9701D 功能描述:寄存器 16BIT SPI 18V GPI INT -40 +125 RoHS:否 制造商:NXP Semiconductors 逻辑类型:CMOS 逻辑系列:HC 电路数量:1 最大时钟频率:36 MHz 传播延迟时间: 高电平输出电流:- 7.8 mA 低电平输出电流:7.8 mA 电源电压-最大:6 V 最大工作温度:+ 125 C 封装 / 箱体:SOT-38 封装:Tube