參數(shù)資料
型號(hào)： PIC12LF1501-I/MF
廠商： Microchip Technology
文件頁數(shù)： 15/33頁
文件大小： 0K
描述： IC MCU 8BIT 1.75KB FLASH 8-DFN
標(biāo)準(zhǔn)包裝： 120
系列： PIC® 12F
核心處理器： PIC
芯體尺寸： 8-位
速度： 20MHz
外圍設(shè)備： 欠壓檢測/復(fù)位，POR，PWM，WDT
輸入/輸出數(shù)： 5
程序存儲(chǔ)器容量： 1.75KB（1K x 14）
程序存儲(chǔ)器類型： 閃存
RAM 容量： 64 x 8
電壓 - 電源 (Vcc/Vdd)： 1.8 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 4x10b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 8-VDFN 裸露焊盤
包裝： 管件
2007 Microchip Technology Inc.
DS39605F-page 21
PIC18F1220/1320
3.2
Sleep Mode
The power managed Sleep mode in the PIC18F1220/
1320 devices is identical to that offered in all other PIC
microcontrollers. It is entered by clearing the IDLEN
and SCS1:SCS0 bits (this is the Reset state) and
executing the SLEEP instruction. This shuts down the
primary oscillator and the OSTS bit is cleared (see
When a wake event occurs in Sleep mode (by interrupt,
Reset or WDT time-out), the system will not be clocked
until the primary clock source becomes ready (see
Figure 3-2), or it will be clocked from the internal
oscillator block if either the Two-Speed Start-up or the
Fail-Safe Clock Monitor are enabled (see Section 19.0
OSTS bit is set when the primary clock is providing the
system clocks. The IDLEN and SCS bits are not
affected by the wake-up.
3.3
Idle Modes
The IDLEN bit allows the microcontroller’s CPU to be
selectively shut down while the peripherals continue to
operate. Clearing IDLEN allows the CPU to be clocked.
Setting IDLEN disables clocks to the CPU, effectively
stopping program execution (see Register 2-2). The
peripherals continue to be clocked regardless of the
setting of the IDLEN bit.
There is one exception to how the IDLEN bit functions.
When all the low-power OSCCON bits are cleared
(IDLEN:SCS1:SCS0 = 000), the device enters Sleep
mode upon the execution of the SLEEP instruction. This
is both the Reset state of the OSCCON register and the
setting that selects Sleep mode. This maintains
compatibility with other PIC devices that do not offer
power managed modes.
If the Idle Enable bit, IDLEN (OSCCON<7>), is set to a
‘1’ when a SLEEP instruction is executed, the
peripherals will be clocked from the clock source
selected using the SCS1:SCS0 bits; however, the CPU
will not be clocked. Since the CPU is not executing
instructions, the only exits from any of the Idle modes
are by interrupt, WDT time-out or a Reset.
When a wake event occurs, CPU execution is delayed
approximately 10
μs while it becomes ready to execute
code. When the CPU begins executing code, it is
clocked by the same clock source as was selected in
the power managed mode (i.e., when waking from
RC_IDLE mode, the internal oscillator block will clock
the CPU and peripherals until the primary clock source
becomes ready – this is essentially RC_RUN mode).
This continues until the primary clock source becomes
ready. When the primary clock becomes ready, the
OSTS bit is set and the system clock source is
switched to the primary clock (see Figure 3-4). The
IDLEN and SCS bits are not affected by the wake-up.
While in any Idle mode or the Sleep mode, a WDT
time-out will result in a WDT wake-up to full power
operation.
TABLE 3-2:
COMPARISON BETWEEN POWER MANAGED MODES
Power
Managed
Mode
CPU is Clocked by ...
WDT Time-out
causes a ...
Peripherals are
Clocked by ...
Clock during Wake-up
(while primary becomes
ready)
Sleep
Not clocked (not running) Wake-up
Not clocked
None or INTOSC multiplexer
if Two-Speed Start-up or
Fail-Safe Clock Monitor are
enabled
Any Idle mode
Not clocked (not running) Wake-up
Primary, Secondary or
INTOSC multiplexer
Unchanged from Idle mode
(CPU operates as in
corresponding Run mode)
Any Run mode
Primary or secondary
clocks or INTOSC
multiplexer
Reset
Primary or secondary
clocks or INTOSC
multiplexer
Unchanged from Run mode
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PIC12LF1501T-I/MC 功能描述:8位微控制器 -MCU 1.75KB FL 64B RAM 6 IO 10-bit ADC 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
PIC12LF1501T-I/MF 功能描述:8位微控制器 -MCU 1.75KB Fl 64B R 10-bit ADC 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
PIC12LF1501T-I/MS 功能描述:8位微控制器 -MCU 1.75KB FL 64BR 6 I/O CLC NCO 10-bit ADC 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
PIC12LF1501T-I/SN 功能描述:8位微控制器 -MCU 1.75KB FL 64BR 6 I/O CLC NCO 10-bit ADC 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
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