參數(shù)資料
型號： PIC16C505-04
廠商： Microchip Technology Inc.
元件分類： 8位微控制器
英文描述： 14-Pin, 8-Bit CMOS Microcontroller
中文描述： 14引腳，8位CMOS微控制器
文件頁數(shù)： 37/84頁
文件大小： 449K
代理商： PIC16C505-04
1998 Microchip Technology Inc.
Preliminary
DS40192B-page 37
PIC16C505
7.9
Power-Down Mode (SLEEP)
A device may be powered down (SLEEP) and later
powered up (Wake-up from SLEEP).
7.9.1
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 hi-impedance).
It should be noted that a RESET generated by a WDT
time-out does not drive the MCLR pin low.
For lowest current consumption while powered down,
the T0CKI input should be at V
DD
or V
SS
and the RB3/
MCLR/V
PP
pin must be at a logic high level (V
IHMC
) if
MCLR is enabled.
7.9.2
WAKE-UP FROM SLEEP
The device can wake-up from SLEEP through one of
the following events:
1.
An external reset input on RB3/MCLR/V
PP
pin,
when configured as MCLR.
2.
A Watchdog Timer time-out reset (if WDT was
enabled).
3.
A change on input pin RB0, RB1, RB3 or RB4
when wake-up on change is enabled.
These events cause a device reset. The TO, PD, and
RBWUF bits can be used to determine the cause of
device reset. The TO bit is cleared if a WDT time-out
occurred (and caused wake-up). The PD bit, which is
set on power-up, is cleared when
SLEEP
is invoked.
The RBWUF bit indicates a change in state while in
SLEEP at pins RB0, RB1, RB3 or RB4 (since the last
file or bit operation on RB port).
The WDT is cleared when the device wakes from
sleep, regardless of the wake-up source.
Caution:
Right before entering SLEEP, read the
input pins. When in SLEEP, wake up
occurs when the values at the pins change
from the state they were in at the last
reading. If a wake-up on change occurs
and the pins are not read before reentering
SLEEP, a wake up will occur immediately
even if no pins change while in SLEEP
mode.
7.10
Program Verification/Code Protection
If the code protection bit has not been programmed,
the on-chip program memory can be read out for
verification purposes.
The first 64 locations and the last location (OSCCAL)
can be read regardless of the code protection bit
setting.
7.11
ID Locations
Four memory locations are designated as ID locations
where the user can store checksum or other code-
identification numbers. These locations are not
accessible during normal execution but are readable
and writable during program/verify.
Use only the lower 4 bits of the ID locations and
always program the upper 8 bits as '0's.
相關PDF資料
PDF描述
PIC16C505 14-Pin, 8-Bit CMOS Microcontroller(每個I/O口有25mA驅(qū)動/吸收電流,12個I/O口，帶WDT的微控制器)
PIC16C54C EPROM/ROM-Based 8-Bit CMOS Microcontroller(18引腳、12個I/O端口、512位EPROM/ROM的8位CMOS微控制器)
PIC16C54 EPROM/ROM-Based 8-Bit CMOS Microcontroller Series(每個I/O口有20mA吸收,25mA驅(qū)動,12個I/O，2.5V的微控制器)
PIC16CR54B EPROM/ROM-Based 8-Bit CMOS Microcontroller Series(每個I/O口有20mA吸收,25mA驅(qū)動,12個I/O，2.5V的微控制器)
PIC16CR56A EPROM/ROM-Based 8-Bit CMOS Microcontroller Series(每個I/O有20mA吸收/25mA驅(qū)動,12個I/O，2.5V的微控制器)
相關代理商/技術參數(shù)
參數(shù)描述
PIC16C505-04/P 功能描述:8位微控制器 -MCU 1.5KB 72 RAM 12 I/O 4MHz PDIP14 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
PIC16C505-04/P 制造商:Microchip Technology Inc 功能描述:IC 8BIT CMOS MCU (TUBE 30) 16C505 制造商:Microchip Technology Inc 功能描述:IC 8BIT CMOS MCU 16C505 DIP14
PIC16C505-04/SL 功能描述:8位微控制器 -MCU 1.5KB 72 RAM 12 I/O 4MHz SOIC14 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
PIC16C505-04/SL 制造商:Microchip Technology Inc 功能描述:8BIT CMOS MCU SMD 16C505 SOIC14
PIC16C505-04E/P 功能描述:8位微控制器 -MCU 1.5KB 72 RAM 12 I/O 4MHz Ext Temp PDIP14 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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