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| MC68HC05P18A Datasheet, PDF (17/130 Pages) Freescale Semiconductor, Inc – HCMOS Microcontroller Unit | |||
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Freescale Semiconductor, Inc.
General Description
Introduction
RESET
IRQ
PB5/SDO
PB6/SDI
PB7/SCK
COP
CPU CONTROL
ALU
68HC05 CPU
CPU REGISTERS
ACCUMULATOR
INDEX REGISTER
0 0 0 0 0 0 0 0 1 1 STK PNTR
PROGRAM COUNTER
CONDITION CODE
REGISTER
1
1
1
H
I
N
Z
C
SRAM â 192 BYTES
USER ROM â 8064 BYTES
PH2
÷2
OSC
÷4
16-BIT TIMER
1 INPUT CAPTURE
1 OUTPUT COMPARE
PORT D LOGIC
EEPROM â 128 BYTES
PORT B AND
SIOP
REGISTERS
AND LOGIC
Figure 1-1. MC68HC05P18A Block Diagram
OSC1
OSC2
PD7/TCAP
TCMP
PD5/CKOUT
PC7/VREFH
PC6/AD0
PC5/AD1
PC4/AD2
PC3/AD3
PC2
PC1
PC0
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
VDD
VSS
NOTE: A line over a signal name indicates an active low signal. For example,
RESET is active high and RESET is active low.
MC68HC05P18A
General Description
For More Information On This Product,
Go to: www.freescale.com
Technical Data
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