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參數(shù)資料
| 型號： | PIC10F202T-I/PG |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 4 MHz, RISC MICROCONTROLLER, PDIP8 |
| 封裝： | 0.300 INCH, LEAD FREE, PLASTIC, MS-001, DIP-8 |
| 文件頁數(shù)： | 46/88頁 |
| 文件大?。?/td> | 1127K |
| 代理商： | PIC10F202T-I/PG |
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PIC10F200/202/204/206
DS41239A-page 48
Preliminary
2004 Microchip Technology Inc.
9.7
Time-out Sequence, Power-down
and Wake-up from Sleep Status
Bits (TO, PD, GPWUF, CWUF)
The TO, PD, GPWUF and CWUF bits in the Status
register can be tested to determine if a Reset condition
has been caused by a Power-up condition, a MCLR,
Watchdog Timer (WDT) Reset, wake-up on comparator
change or wake-up on pin change.
TABLE 9-5:
TO, PD, GPWUF, CWUF STATUS AFTER RESET
9.8
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 PIC10F200/202/204/206 devices when a
Brown-out
occurs,
external Brown-out
protection
circuits may be built, as shown in Figure 9-7 and
FIGURE 9-7:
BROWN-OUT
PROTECTION CIRCUIT 1
FIGURE 9-8:
BROWN-OUT
PROTECTION CIRCUIT 2
CWUF
GPWUF
TO
PD
Reset Caused By
00
0
WDT wake-up from Sleep
00
0
u
WDT time-out (not from Sleep)
00
1
0
MCLR wake-up from Sleep
00
1
Power-up
00
u
MCLR not during Sleep
01
1
0
Wake-up from Sleep on pin change
10
1
0
Wake-up from Sleep on comparator change
Legend: u = unchanged, x = unknown, — = unimplemented bit, read as ‘0’, q = value depends on condition.
Note 1:
The TO, PD, GPWUF and CWUF bits maintain their status (u) until a Reset occurs. A low-pulse on the
MCLR input does not change the TO, PD, GPWUF or CWUF status bits.
Note
1:
This circuit will activate Reset when VDD goes
below Vz + 0.7V (where Vz = Zener voltage).
2:
Pin must be confirmed as MCLR.
33k
10k
40k(1)
VDD
MCLR(2)
PIC10F20X
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 confirmed as MCLR.
VDD
R1
R1 + R2
= 0.7V
R2
40k(1)
VDD
MCLR(2)
PIC10F20X
R1
Q1
VDD
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PIC10F204 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:6-Pin, 8-Bit Flash Microcontrollers |
| PIC10F204-E/MC | 功能描述:8位微控制器 -MCU 384B Flash16B RAM 4 I/O Comparator RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
| PIC10F204-E/OT | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:6-Pin, 8-Bit Flash Microcontrollers |
| PIC10F204-E/P | 功能描述:8位微控制器 -MCU .375kBF 16RM 4I/O Ext Temp PDIP8 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
| PIC10F204-I/MC | 功能描述:8位微控制器 -MCU 0.375KB 16B RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
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