參數(shù)資料
型號： MC68HC05P4ACDW
廠商： MOTOROLA 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： PLASTIC, SOIC-28
文件頁數(shù)： 19/102頁
文件大?。?/td> 1085K
代理商： MC68HC05P4ACDW
General Description
Signal Description
MC68HC05P4A — Rev. 7.0
Technical Data
MOTOROLA
General Description
23
Figure 1-3. Port A Pullup Option
1.7.7 SDO/PB5, SDI/PB6, and SCK/PB7
Port B is a 3-bit bidirectional port. These pins are shared with the SIOP
(SIOP) for a detailed description of the SIOP. The address of the port B
data register is $0001, and the data direction register is at address
$0005. Reset does not affect the data registers, but clears the data
direction registers, thereby returning the ports to inputs. Writing a 1 to a
DDR bit sets the corresponding port bit to output mode.
1.7.8 PC0–PC7
Port C is an 8-bit bidirectional port which does not share any of its pins
with other subsystems. The address of the port C data register is $0002,
and the DDR is at address $0006. Reset does not affect the data
registers, but clears the data direction registers, thereby returning the
ports to inputs. Writing a 1 to a DDR bit sets the corresponding port bit
to output mode. Two of the port C pins, PC0 and PC1, have a higher
current drive capability. See Section 12. Electrical Specifications.
PA0
VDD
DDR BIT
NORMAL PORT
FROM ALL OTHER PORT A PINS
IRQ
SCHMITT
TRIGGER
TO INTERRUPT
LOGIC
MASK OPTION
CIRCUITRY
相關(guān)PDF資料
PDF描述
MC68HC05P4ADWR3 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
MC68HC05P4ADWR2 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
MC68HC05P4CDWR3 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
MC68HC05P4CDWR2 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
MC68HC05P4P 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HC05P4DW 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC05P4P 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC05P6 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC05P6_1 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
MC68HC05P8 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT
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