参数资料
型号: PIC12F629-E/SN
厂商: Microchip Technology
文件页数: 9/35页
文件大小: 0K
描述: IC MCU CMOS 8BIT 1K FLASH 8-SOIC
产品培训模块: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
标准包装: 100
系列: PIC® 12F
核心处理器: PIC
芯体尺寸: 8-位
速度: 20MHz
外围设备: POR,WDT
输入/输出数: 5
程序存储器容量: 1.75KB(1K x 14)
程序存储器类型: 闪存
EEPROM 大小: 128 x 8
RAM 容量: 64 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 管件
产品目录页面: 637 (CN2011-ZH PDF)
17
AT89S53
0787E–MICRO–3/06
Timer 2 interrupt is generated by the logical OR of bits TF2
and EXF2 in register T2CON. Neither of these flags is
cleared by hardware when the service routine is vectored
to. In fact, the service routine may have to determine
whether it was TF2 or EXF2 that generated the interrupt,
and that bit will have to be cleared in software.
The Timer 0 and Timer 1 flags, TF0 and TF1, are set at
S5P2 of the cycle in which the timers overflow. The values
are then polled by the circuitry in the next cycle. However,
the Timer 2 flag, TF2, is set at S2P2 and is polled in the
same cycle in which the timer overflows.
Oscillator Characteristics
XTAL1 and XTAL2 are the input and output, respectively,
of an inverting amplifier that can be configured for use as
an on-chip oscillator, as shown in Figure 11. Either a quartz
crystal or ceramic resonator may be used. To drive the
device from an external clock source, XTAL2 should be left
unconnected while XTAL1 is driven, as shown in Figure 12.
There are no requirements on the duty cycle of the external
clock signal, since the input to the internal clocking circuitry
is through a divide-by-two flip-flop, but minimum and maxi-
mum voltage high and low time specifications must be
observed.
Figure 11. Oscillator Connections
Note:
C1, C2 = 30 pF
± 10 pF for Crystals
= 40 pF
± 10 pF for Ceramic Resonators
Figure 12. External Clock Drive Configuration
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PIC12F629-I/MD 功能描述:8位微控制器 -MCU 1.75KB 64 RAM 6I/O Ind Temp DFN8 RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC12F629-I/MD 制造商:Microchip Technology Inc 功能描述:8-Bit Microcontroller IC
PIC12F629-I/MF 功能描述:8位微控制器 -MCU 1.75KB 64 RAM 6 I/O Ind Temp DFN8 RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC12F629-I/MF 制造商:Microchip Technology Inc 功能描述:8-Bit Microcontroller IC
PIC12F629-I/P 功能描述:8位微控制器 -MCU 1.75KB 64 RAM 6 I/O Ind Temp PDIP8 RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT