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| MC68HC05C9E Datasheet, PDF (12/106 Pages) Freescale Semiconductor, Inc – Microcontrollers | |||
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General Description
SELF-CHECK ROM â 239 BYTES
IRQ
RESET
OSC1
OSC2
USER ROM â 15,936 BYTES
USER RAM â 352 BYTES
CPU CONTROL
ARITHMETIC LOGIC
UNIT
RESET
M68HC05
MCU
ACCUMULATOR
INDEX REGISTER
STACK POINTER
0 000 001 1
PROGRAM COUNTER
INTERNAL
OSCILLATOR
CONDITION CODE REGISTER
11 1 H I NCZ
CPU CLOCK
DIVIDE
BY TWO
COP
WATCHDOG
INTERNAL CLOCK
TCAP
TCMP
VDD
VSS
DIVIDE
BY FOUR
TIMER CLOCK
CAPTURE/
COMPARE
TIMER
POWER
BAUD RATE
GENERATOR
SPI
SS
SCK
MOSI
MISO
SCI
TDO
RDI
Figure 1-1. Block Diagram
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
PD7
PD5/SS
PD4/SCK
PD3/MOSI
PD2/MISO
PD1/TDO
PD0/RDI
MC68HC05C9E Advance Information Data Sheet, Rev. 0.1
12
Freescale Semiconductor
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