MC68HC05K1 FREESCALE [Freescale Semiconductor, Inc], MC68HC05K1 Datasheet - Page 27
MC68HC05K1
Manufacturer Part Number
MC68HC05K1
Description
HCMOS Microcontroller Unit
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC05K1.pdf
(154 pages)
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1.6.2.5 External Clock Signal
1.6.3 RESET
1.6.4 IRQ/V
1.6.5 PA7–PA0
MC68HC05K0 • MC68HC05K1 — Rev. 2.0
PP
An external clock from another complementary metal oxide
semiconductor (CMOS)-compatible device can drive the OSC1 input,
with the OSC2 pin unconnected, as
A logic 0 on the RESET pin forces the MCU to a known startup state.
See
The IRQ/V
PA7–PA0 are the pins of port A, a general-purpose, bidirectional I/O
port. See
All port A pins have mask-optional pulldown devices that sink
approximately 100 A. See
•
•
Freescale Semiconductor, Inc.
5.3 Reset
For More Information On This Product,
Applying asynchronous external interrupt signals.
See
Applying the personality EPROM programming voltage
(MC68HC05K1 only). See
7.3 Port
PP
4.3 Interrupt
Go to: www.freescale.com
pin has these functions:
Figure 1-9. External Clock Connections
Types.
General Description
A.
Types.
CMOS CLOCK
EXTERNAL
7.3.3 Pulldown Register
9.3 PEPROM
MCU
Figure 1-9
Registers.
shows.
A. If the mask
General Description
Pin Assignments
Technical Data
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