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參數資料
型號: MC68HC05P4A
廠商: Motorola, Inc.
英文描述: 28-pin MCU (microcontroller unit) based on the MC68HC05P4(28引腳、基于MC68HC05P4升級的8位微控制器單元)
中文描述: 28引腳單片機(微控制器)的基礎上MC68HC05P4(28引腳,基于MC68HC05P4升級的8位微控制器單元)
文件頁數: 21/102頁
文件大小: 930K
代理商: MC68HC05P4A
General Description
Signal Description
MC68HC05P4A — Rev. 6.0
AdvanceInformation
MOTOROLA
General Description
21
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
subsystem. Refer to
Section 7. Simple Serial Input/Output Port
(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
V
DD
V
DD
DDR BIT
NORMAL PORT
CIRCUITRY
FROM ALL OTHER PORT A PINS
IRQ
SCHMITT
TRIGGER
TO INTERRUPT
LOGIC
MASK OPTION
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相關代理商/技術參數
參數描述
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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