參數(shù)資料
型號： MC68HC05E5DW
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封裝： SOIC-28
文件頁數(shù)： 55/140頁
文件大?。?/td> 847K
代理商： MC68HC05E5DW
General Description
Functional Pin Description
MC68HC05E5 — Rev. 1.0
General Release Specification
MOTOROLA
General Description
21
NON-DISCLOSURE
AGREEMENT
REQUIRED
1.5.4 RESET
This active low pin is used to reset the MCU to a known startup state by
pulling RESET low. The RESET pin contains an internal Schmitt trigger
as part of its input to improve noise immunity. See Section 5. Resets for
additional information.
1.5.5 PA0–PA7
These eight I/O lines comprise port A. The state of any pin is software
programmable and all port A lines are configured as input during
power-on or reset. See 7.6 Input/Output Programming for additional
information.
1.5.6 PB0–PB7
These eight I/O lines comprise port B. The state of any pin is software
programmable and all port B lines are configured as input during
power-on or reset. PB7 (SCL) and PB6 (SDA) can be configured as an
for M-bus pin configurations). PB3–PB5 (TIPL, SCK, and SDIO) can be
configured as a synchronous serial interface (SSI). Refer to Section 12.
Programming for additional information.
1.5.7 PC0–PC3
These four I/O lines comprise port C. The state of any pin is software
programmable and all port C lines are configured as input during
power-on or reset. 7.6 Input/Output Programming for additional
information.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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