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參數(shù)資料
| 型號： | PIC10F202 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 6-Pin, 8-Bit Flash Microcontrollers |
| 中文描述： | 6引腳，8位閃存微控制器 |
| 文件頁數(shù)： | 50/86頁 |
| 文件大?。?/td> | 620K |
| 代理商： | PIC10F202 |
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PIC10F200/202/204/206
DS41239B-page 48
Preliminary
2005 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 (V
DD
)
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 9-8.
FIGURE 9-7:
BROWN-OUT
PROTECTION CIRCUIT 1
FIGURE 9-8:
BROWN-OUT
PROTECTION CIRCUIT 2
CWUF
GPWUF
TO
PD
Reset Caused By
0
0
0
0
WDT wake-up from Sleep
WDT time-out (not from Sleep)
MCLR wake-up from Sleep
Power-up
MCLR not during Sleep
Wake-up from Sleep on pin change
Wake-up from Sleep on comparator change
0
0
0
u
0
0
0
0
1
1
0
1
0
0
u
u
0
1
1
0
1
0
1
0
Legend:
Note 1:
u
= unchanged,
x
= unknown, – = unimplemented bit, read as ‘
0
’,
q
= value depends on condition.
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 V
DD
goes
below Vz + 0.7V (where Vz = Zener voltage).
Pin must be confirmed as MCLR.
2:
33k
10k
40k
(1)
V
DD
MCLR
(2)
PIC10F20X
V
DD
Q1
Note
1:
This brown-out circuit is less expensive,
although less accurate. Transistor Q1 turns
off when V
DD
is below a certain level such
that:
R1
R1 + R2
2:
Pin must be confirmed as MCLR.
V
DD
= 0.7V
R2
40k
(1)
V
DD
MCLR
(2)
PIC10F20X
R1
Q1
V
DD
相關PDF資料 |
PDF描述 |
|---|---|
| PIC10F204 | 6-Pin, 8-Bit Flash Microcontrollers |
| PIC10F204T | 6-Pin, 8-Bit Flash Microcontrollers |
| PIC10F206 | 6-Pin, 8-Bit Flash Microcontrollers |
| PIC10F206T | 6-Pin, 8-Bit Flash Microcontrollers |
| PIC10F220 | 6-Pin, 8-Bit Flash Microcontrollers |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PIC10F202-E/MC | 功能描述:8位微控制器 -MCU 768B Flash 24B RAM 4 I/O 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 |
| PIC10F202-E/OT | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:6-Pin, 8-Bit Flash Microcontrollers |
| PIC10F202-E/P | 功能描述:8位微控制器 -MCU .75kBF 24RM 4I/O Ext Temp PDIP 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 |
| PIC10F202-I/MC | 功能描述:8位微控制器 -MCU 0.75KB Fl 24B 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 |
| PIC10F202-I/OT | 制造商:Microchip Technology Inc 功能描述:6 PIN, 0.75 KB STD FLASH, 24 R - Bulk |
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