參數(shù)資料
型號: MC68HC05F4FB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 1.789 MHz, MICROCONTROLLER, PQFP44
封裝: PLASTIC, QFP-44
文件頁數(shù): 42/130頁
文件大小: 10504K
代理商: MC68HC05F4FB
MC68HC05F4
1-1
INTRODUCTION
1
INTRODUCTION
The MC68HC05F4 is a member of the M68HC05 family of HCMOS microcomputers. In addition
to 4K bytes of ROM, the MC68HC05F4 contains 256 bytes of RAM and 256 bytes of EEPROM.
The on-board features of this device make it particularly suited to highly integrated and cost
effective telephone handsets. The timer and DTMF generator allow for both pulse and tone
dialling; in addition to telephone set-up parameters and features such as last number redial, the
EEPROM can typically store up to 12 telephone numbers of 20 digits, even after power has been
removed from the circuit; the keyboard interrupt facility permits a direct interface to a telephone
keypad. In addition to the high level of integration achieved, careful attention has also been paid
to the low-power and low-voltage performance of the MC68HC05F4, which is of major importance
in many telecommunications applications.
The MC68HC705F4 is an EPROM version of the MC68HC05F4, with the User ROM replaced by
8kbytes of EPROM. All references to the MC68HC05F4 apply equally to the MC68HC705F4,
unless otherwise noted.
TPG
15
05F4Book Page 1 Tuesday, August 5, 1997 1:10 pm
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相關(guān)PDF資料
PDF描述
MC68HC05F4CDW 8-BIT, MROM, 1.789 MHz, MICROCONTROLLER, PDSO28
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