參數(shù)資料
型號(hào)： ADUC832
廠商： Analog Devices, Inc.
英文描述： MicroConverter, 12-Bit ADCs and DACs with Embedded 62 kBytes Flash MCU
中文描述： MicroConverter的，12位ADC和62 kBytes為嵌入式閃存MCU數(shù)模轉(zhuǎn)換器
文件頁數(shù)： 28/80頁
文件大?。?/td> 1311K
代理商： ADUC832
REV. 0
–28–
ADuC832
Using the Flash/EE Program Memory
The 62 kByte Flash/EE program memory array is mapped into the
lower 62 kBytes of the 64 kBytes program space addressable by
the ADuC832, and is used to hold user code in typical applications.
The program memory Flash/EE memory arrays can be programmed
in three ways:
(1) Serial Downloading (In-Circuit Programming)
The ADuC832 facilitates code download via the standard
UART serial port. The ADuC832 will enter serial download
mode after a reset or power cycle if the
PSEN
pin is pulled low
through an external 1 k
resistor. Once in serial download
mode, the user can download code to the full 62 kBytes of Flash/EE
program memory while the device is in-circuit in its target appli-
cation hardware.
A PC serial download executable is provided as part of the
ADuC832 QuickStart development system. The Serial Download
protocol is detailed in a MicroConverter Application Note uC004.
(2) Parallel Programming
The parallel programming mode is fully compatible with con-
ventional third party Flash or EEPROM device programmers.
In this mode, Ports P0, P1, and P2 operate as the external data
and address bus interface, ALE operates as the Write Enable
strobe, and Port P3 is used as a general configuration port that
configures the device for various program and erase operations
during parallel programming. The high voltage (12 V) supply
required for Flash programming is generated using on-chip
charge pumps to supply the high voltage program lines.
www.analog.com/microconverter
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