參數(shù)資料
型號： PIC18F45J10-I/P
廠商： Microchip Technology
文件頁數(shù)： 49/80頁
文件大小： 0K
描述： IC PIC MCU FLASH 16KX16 40DIP
產(chǎn)品培訓(xùn)模塊： Asynchronous Stimulus
PIC18 J Series MCU Overview
8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝： 10
系列： PIC® 18F
核心處理器： PIC
芯體尺寸： 8-位
速度： 40MHz
連通性： I²C，SPI，UART/USART
外圍設(shè)備： 欠壓檢測/復(fù)位，POR，PWM，WDT
輸入/輸出數(shù)： 32
程序存儲器容量： 32KB（16K x 16）
程序存儲器類型： 閃存
RAM 容量： 1K x 8
電壓 - 電源 (Vcc/Vdd)： 2.7 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 13x10b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 40-DIP（0.600"，15.24mm）
包裝： 管件
產(chǎn)品目錄頁面： 643 (CN2011-ZH PDF)
配用： AC162074-ND - HEADER INTRFC MPLAB ICD2 44TQFP
MA180013-ND - MODULE PLUG-IN 18F45J10 44TQFP
AC162067-ND - HEADER INTRFC MPLAB ICD2 40/28P
AC164329-ND - MODULE SKT FOR 40DIP 18F45J10
PIC16F8X
1998 Microchip Technology Inc.
DS30430C-page 53
8.12.3
WAKE-UP USING INTERRUPTS
When global interrupts are disabled (GIE cleared) and
any interrupt source has both its interrupt enable bit
and interrupt flag bit set, one of the following will occur:
If the interrupt occurs before the execution of a
SLEEP
instruction, the SLEEP instruction will com-
plete as a NOP. Therefore, the WDT and WDT
postscaler will not be cleared, the TO bit will not
be set and PD bits will not be cleared.
If the interrupt occurs during or after the execu-
tion of a SLEEP instruction, the device will imme-
diately wake up from sleep. The SLEEP instruction
will be completely executed before the wake-up.
Therefore, the WDT and WDT postscaler will be
cleared, the TO bit will be set and the PD bit will
be cleared.
Even if the flag bits were checked before executing a
SLEEP
instruction, it may be possible for flag bits to
become set before the SLEEP instruction completes. To
determine whether a SLEEP instruction executed, test
the PD bit. If the PD bit is set, the SLEEP instruction
was executed as a NOP.
To ensure that the WDT is cleared, a CLRWDT instruc-
tion should be executed before a SLEEP instruction.
8.13
Program Verification/Code Protection
If
the
code
protection
bit(s)
have
not
been
programmed, the on-chip program memory can be
read out for verification purposes.
8.14
ID Locations
Four memory locations (2000h - 2003h) are designated
as ID locations to store checksum or other code
identification
numbers.
These
locations
are
not
accessible during normal execution but are readable
and writable only during program/verify. Only the
4 least significant bits of ID location are usable.
For ROM devices, these values are submitted along
with the ROM code.
8.15
In-Circuit Serial Programming
PIC16F8X
microcontrollers
can
be
serially
programmed while in the end application circuit. This is
simply done with two lines for clock and data, and three
other lines for power, ground, and the programming
voltage. Customers can manufacture boards with
unprogrammed
devices,
and
then
program
the
microcontroller just before shipping the product,
allowing the most recent firmware or custom firmware
to be programmed.
The device is placed into a program/verify mode by
holding the RB6 and RB7 pins low, while raising the
MCLR pin from VIL to VIHH (see programming
specification). RB6 becomes the programming clock
and RB7 becomes the programming data. Both RB6
and RB7 are Schmitt Trigger inputs in this mode.
After reset, to place the device into programming/verify
mode, the program counter (PC) points to location 00h.
A 6-bit command is then supplied to the device, 14-bits
of program data is then supplied to or from the device,
using load or read-type instructions. For complete
details of serial programming, please refer to the
PIC16CXX Programming Specifications (Literature
#DS30189).
FIGURE 8-20: TYPICAL IN-SYSTEM SERIAL
PROGRAMMING
CONNECTION
For ROM devices, both the program memory and Data
EEPROM memory may be read, but only the Data
EEPROM memory may be programmed.
Note:
Microchip does not recommend code pro-
tecting widowed devices.
External
Connector
Signals
To Normal
Connections
To Normal
Connections
PIC16FXX
VDD
VSS
MCLR/VPP
RB6
RB7
+5V
0V
VPP
CLK
Data I/O
VDD
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PIC18F45J10T-I/ML 功能描述:8位微控制器 -MCU 32 KB FL 1024 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(fēng)格:SMD/SMT
PIC18F45J10T-I/PT 功能描述:8位微控制器 -MCU 32 KB FL 1024 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(fēng)格:SMD/SMT
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