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| 型号： | PIC10F222-I/OT |
| 厂商： | Microchip Technology |
| 文件页数： | 37/86页 |
| 文件大小： | 0K |
| 描述： | IC PIC MCU FLASH 512X12 SOT-23-6 |
| 标准包装： | 3,000 |
| 系列： | PIC® 10F |
| 核心处理器： | PIC |
| 芯体尺寸： | 8-位 |
| 速度： | 8MHz |
| 外围设备： | POR，WDT |
| 输入/输出数： | 4 |
| 程序存储器容量： | 768B（512 x 12） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 23 x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 2 V ~ 5.5 V |
| 数据转换器： | A/D 2x8b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | SOT-23-6 |
| 包装： | 散装 |
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PIC10F220/222
DS41270E-page 40
2007 Microchip Technology Inc.
8.8
Reset on Brown-out
A Brown-out is a condition where device power (VDD)
dips below its minimum value, but not to zero, and then
recovers. The device should be reset in the event of a
Brown-out.
To reset PIC10F220/222 devices when a Brown-out
occurs, external Brown-out protection circuits may be
built, as shown in Figure 8-7 and Figure 8-8.
FIGURE 8-7:
BROWN-OUT
PROTECTION CIRCUIT 1
FIGURE 8-8:
BROWN-OUT
PROTECTION CIRCUIT 2
FIGURE 8-9:
BROWN-OUT
PROTECTION CIRCUIT 3
8.9
Power-down Mode (Sleep)
A device may be powered down (Sleep) and later
powered up (wake-up from Sleep).
8.9.1
SLEEP
The Power-Down mode is entered by executing a
SLEEP
instruction.
If enabled, the Watchdog Timer will be cleared but
keeps running, the TO bit (STATUS<4>) is set, the PD
bit (STATUS<3>) is cleared and the oscillator driver is
turned off. The I/O ports maintain the status they had
before the SLEEP instruction was executed (driving
high, driving low or high-impedance).
For lowest current consumption while powered down,
the T0CKI input should be at VDD or VSS and the GP3/
MCLR/VPP pin must be at a logic high level if MCLR is
enabled.
Note
1:
This circuit will activate Reset when VDD goes
below Vz + 0.7V (where Vz = Zener voltage).
2:
Pin must be configured as MCLR.
33k
10k
40k(1)
VDD
MCLR(2)
PIC10F22X
VDD
Q1
Note
1:
This brown-out circuit is less expensive,
although less accurate. Transistor Q1 turns
off when VDD is below a certain level such
that:
2:
Pin must be configured as MCLR.
VDD
R1
R1 + R2
= 0.7V
R2
40k(1)
VDD
MCLR(2)
PIC10F22X
R1
Q1
VDD
Note:
A Reset generated by a WDT time-out
does not drive the MCLR pin low.
Note 1:
This Brown-out Protection circuit employs
Microchip Technology’s MCP809 micro-
controller supervisor. There are 7 different
trip point selections to accommodate 5V to
3V systems.
2:
Pin must be configured as MCLR.
MCLR
(2)
PIC10F22X
VDD
VSS
RST
MCP809
VDD
Bypass
Capacitor
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PIC10F222IP | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:6-Pin, 8-Bit Flash Microcontrollers |
| PIC10F222TE/MC | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:High-Performance Microcontrollers with 8-bit A/D |
| PIC10F222TE/OT | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:High-Performance Microcontrollers with 8-bit A/D |
| PIC10F222T-E/OT | 功能描述:8位微控制器 -MCU 768 B FL 16 RAM 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 |
| PIC10F222T-E/OT-CUT TAPE | 制造商:Microchip 功能描述:PIC10 Series 23 B RAM 0.75 KB Flash 8-Bit Flash Microcontroller - SOT-23-6 |
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