參數(shù)資料
型號： 16LF628A
廠商： Microchip Technology Inc.
元件分類： 8位微控制器
英文描述： FLASH-Based 8-Bit CMOS Microcontrollers
中文描述： 基于閃存的8位CMOS微控制器
文件頁數(shù)： 158/168頁
文件大?。?/td> 3760K
代理商： 16LF628A
PIC16F627A/628A/648A
DS40044A-page 156
Preliminary
2002 Microchip Technology Inc.
APPENDIX C:
DEVICE MIGRATIONS
This section describes the functional and electrical
specification differences when migrating between func-
tionally similar devices. (such as from a PIC16F627 to
a PIC16F627A).
C.1
PIC16F627/628
to a
PIC16F627A/628A
1.
ER mode is now RC mode.
2.
Code Protection for the Program Memory has
changed from Code Protect sections of memory
to Code Protect of the whole memory. The Con-
figuration bits CP0 and CP1 in the PIC16F627/
628 do not exist in the PIC16F627A/628A. They
have been replaced with one Configuration
bit<13> CP.
3.
“Brown-out Detect (BOD)” terminology has
changed to “Brown-out Reset (BOR)” to better
represent the function of the Brown-out circuitry.
4.
Enabling Brown-out Reset (BOR) does not auto-
matically enable the Power-up Timer (PWRT)
the way it did in the PIC16F627/628.
5.
INTRC is now called INTOSC.
6.
Timer1
32.768 kHz operation. In the PIC16F627/628
the Timer1 Oscillator was designed to run up to
200 kHz.
Oscillator
is
now
designed
for
7.
The Dual Speed Oscillator mode only works in
the INTOSC Oscillator mode. In the PIC16F627/
628 the Dual Speed Oscillator mode worked in
both the INTRC and ER Oscillator modes.
APPENDIX D:
MIGRATING FROM
OTHER PICmicro
DEVICES
This discusses some of the issues in migrating from
other PICmicro devices to the PIC16F627A/628A/648A
family of devices.
D.1
PIC16C62X/CE62X to PIC16F627A/628A/
648A Migration
See
(www.microchip.com).
Microchip
web
site
for
availability
D.2
PIC16C622A to PIC16F627A/628A/648A
Migration
See
(www.microchip.com).
Microchip
web
site
for
availability
Note:
This device has been designed to perform
to the parameters of its data sheet. It has
been tested to an electrical specification
designed to determine its conformance
with these parameters. Due to process
differences in the manufacture of this
device, this device may have different
performance characteristics than its earlier
version. These differences may cause this
device to perform differently in your
application than the earlier version of this
device.
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